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DocumentI keep a close watch on this heart of mine: increased interoception in insomnia2016

Reference code: PT/FB
Entity holding: BIAL Foundation
Location: S. Mamede do Coronado
Title:
BIAL Foundation Archive
Start date: 1994
History:
The BIAL Foundation was created in 1994 by Laboratórios BIAL in conjunction with the Council of Rectors of Portuguese Universities. BIAL’s Foundation mission is to foster the scientific study of Man from both the physical and spiritual perspectives.
Along the years the BIAL Foundation has developed an important relationship with the scientific community, first in Portugal and after worldwide. Today it is an institution of reference which aims to stimulate new researches that may help people, promote more health and contribute to new milestones to gain access to knowledge.
Among its activities the BIAL Foundation manages the BIAL Award, created in 1984, one of the most important awards in the Health field in Europe. The BIAL Award rewards both the basic and the clinical research distinguishing works of major impact in medical research.
The BIAL Foundation also assigns Scientific Research Scholarships for the study of neurophysiological and mental health in people, arousing the interest of researchers in the areas of Psychophysiology and Parapsychology.
To date the BIAL Foundation has supported 461 projects, more than 1000 researchers, with research groups in twenty-seven countries, resulting, until April 2013, in about 600 full papers, out of which 172 published in indexed international journals with an average impact factor of 3.6 and a substantial number of citations (1665).
Since 1996 the BIAL Foundation organizes the Symposia entitled "Behind and Beyond the Brain", a Forum that gathers well renowned neurosciences speakers and the BIAL Foundation Fellows which are spread around the world.
Classified as an institution of public utility, the BIAL Foundation includes among its patrons the Portuguese President, the Portuguese Universities Rectors' Council and the Portuguese Medical Association.
URL: http://www.bial.com/pt/
Accessibility: By permission

Reference code: PT/FB/BL
Entity holding: BIAL Foundation
Title: BIAL Grants
Start date: 1994
History:
In 1994 the BIAL Foundation launched a programme of science research grants with the aim of encouraging the research into Man’s physical and mental processes, namely in fields still largely unexplored but which warrant further scientific analysis, as Psychophysiology and Parapsychology.
Since its launch, applications to the BIAL grants have been increasing. Up to now 461 projects have been supported, involving more than 1000 researchers from 27 countries.
The approved applications have benefited from grants in amounts comprised between €5,000 and €50, 000. The amount to be granted is fixed by the Scientific board according to the needs of each project.
The supported projects have originated, until April 2013, in about 600 full papers, 172 out of which were published in indexed international journals with an average impact factor of 3.6 and a substantial number of citations (1665).
Among the BIAL Foundation fellows is worth highlighting the presence of scientists from prestigious universities from the United States, United Kingdom, Australia, Russia, Germany, Japan, France, Canada, and many others.
The BIAL grants are promoted biannually.

Reference code: PT/FB/BL-2012
Location: SEC PCA
Title:
2012 Grants
Start date: 2013-02

Reference code: PT/FB/BL-2012-252
Location: SEC PCA 252/12
Title:
252 - Sleep state misperception mispercieved
Duration: 2014-06 - 2017-01
Researcher(s):
Eus J. W. Van Someren, J. Ramautar
Institution(s): Netherlands Institute for Neuroscience, Dept. Sleep & Cognition, Amsterdam (The Netherlands)
Contents: Contents:
Application form
Correspondence
Progress reports
Final reports
2 Articles
Language: eng
Author:
Van Someren, E.
Secondary author(s):
Ramautar, J.
Number of reproductions:
1
Keywords:
Psychophysiology / Sleep and dreams / Biopsychological problems / Mental health / Sleep disorders / Brain structure and function / Cognitive processes / Memory / Consciousness

Reference code: PT/FB/BL-2012-252.03
Location: SEC PCA 252/12
Title:
I keep a close watch on this heart of mine: increased interoception in insomnia
Publication year: 2016
URL:
https://www.ncbi.nlm.nih.gov/pubmed/27634787
Abstract/Results: ABSTRACT:
STUDY OBJECTIVES:
Whereas both insomnia and altered interoception are core symptoms in affective disorders, their neural mechanisms remain insufficiently understood and have not previously been linked. Insomnia Disorder (ID) is characterized by sensory hypersensitivity during wakefulness and sleep. Previous studies on sensory processing in ID addressed external stimuli only, but not interoception. Interoceptive sensitivity can be studied quantitatively by measuring the cerebral cortical response to one's heartbeat (heartbeat-evoked potential, HEP). We here investigated whether insomnia is associated with increased interoceptive sensitivity as indexed by the HEP amplitude.
METHODS:
Sixty-four participants aged 21-70 years were recruited through www.sleepregistry.nl including 32 people suffering from ID and 32 age- and sex-matched controls without sleep complaints. HEPs were obtained from resting-state high-density electroencephalography (HD-EEG) recorded during evening wakeful rest in eyes-open (EO) and eyes-closed (EC) conditions of 5-minute duration each. Significance of group differences in HEP amplitude and their topographical distribution over the scalp were assessed by means of cluster-based permutation tests.
RESULTS:
In particular during EC, and to a lesser extent during EO, people with ID had a larger amplitude late HEP component than controls at frontal electrodes 376-500 ms after the R-wave peak. Source localization suggested increased neural activity time-locked to heartbeats in people with ID mainly in anterior cingulate/medial frontal cortices.
CONCLUSIONS:
People with insomnia show insufficient adaptation of their brain responses to the ever-present heartbeats. Abnormalities in the neural circuits involved in interoceptive awareness including the salience network may be of key importance to the pathophysiology of insomnia.
Accessibility: Document exists in file
Copyright/Reproduction:
By permission
Language:
eng
Author:
Wei, Y.
Secondary author(s):
Ramautar, J., Colombo, M., Stoffers, D., Gomez-Herrero, G., van der Meijden, W. P., Te Lindert, B. H., van der Werf, Y., Van Someren, E.
Document type:
Article
Number of reproductions:
1
Reference:
Wei, Y., Ramautar, J., Colombo, M., Stoffers, D., Gomez-Herrero, G., van der Meijden, W. P., Te Lindert, B. H., van der Werf, Y., & Van Someren, E. (2016). I keep a close watch on this heart of mine: increased interoception in insomnia. Sleep, 39(12), 2113-2124. https://doi.org/10.5665/sleep.6308
2-year Impact Factor: 4.923|2016
Times cited: 68|2025-09-16
Indexed document: Yes
Quartile: Q1
Keywords: Insomnia disorder / Interoception / Heartbeat-evoked potential / Event-related potential / High-density EEG / Hyperarousal / Resting state / Salience network
DocumentSleep stage transition dynamics reveal specific stage 2 vulnerability in insomnia2017

Reference code: PT/FB
Entity holding: BIAL Foundation
Location: S. Mamede do Coronado
Title:
BIAL Foundation Archive
Start date: 1994
History:
The BIAL Foundation was created in 1994 by Laboratórios BIAL in conjunction with the Council of Rectors of Portuguese Universities. BIAL’s Foundation mission is to foster the scientific study of Man from both the physical and spiritual perspectives.
Along the years the BIAL Foundation has developed an important relationship with the scientific community, first in Portugal and after worldwide. Today it is an institution of reference which aims to stimulate new researches that may help people, promote more health and contribute to new milestones to gain access to knowledge.
Among its activities the BIAL Foundation manages the BIAL Award, created in 1984, one of the most important awards in the Health field in Europe. The BIAL Award rewards both the basic and the clinical research distinguishing works of major impact in medical research.
The BIAL Foundation also assigns Scientific Research Scholarships for the study of neurophysiological and mental health in people, arousing the interest of researchers in the areas of Psychophysiology and Parapsychology.
To date the BIAL Foundation has supported 461 projects, more than 1000 researchers, with research groups in twenty-seven countries, resulting, until April 2013, in about 600 full papers, out of which 172 published in indexed international journals with an average impact factor of 3.6 and a substantial number of citations (1665).
Since 1996 the BIAL Foundation organizes the Symposia entitled "Behind and Beyond the Brain", a Forum that gathers well renowned neurosciences speakers and the BIAL Foundation Fellows which are spread around the world.
Classified as an institution of public utility, the BIAL Foundation includes among its patrons the Portuguese President, the Portuguese Universities Rectors' Council and the Portuguese Medical Association.
URL: http://www.bial.com/pt/
Accessibility: By permission

Reference code: PT/FB/BL
Entity holding: BIAL Foundation
Title: BIAL Grants
Start date: 1994
History:
In 1994 the BIAL Foundation launched a programme of science research grants with the aim of encouraging the research into Man’s physical and mental processes, namely in fields still largely unexplored but which warrant further scientific analysis, as Psychophysiology and Parapsychology.
Since its launch, applications to the BIAL grants have been increasing. Up to now 461 projects have been supported, involving more than 1000 researchers from 27 countries.
The approved applications have benefited from grants in amounts comprised between €5,000 and €50, 000. The amount to be granted is fixed by the Scientific board according to the needs of each project.
The supported projects have originated, until April 2013, in about 600 full papers, 172 out of which were published in indexed international journals with an average impact factor of 3.6 and a substantial number of citations (1665).
Among the BIAL Foundation fellows is worth highlighting the presence of scientists from prestigious universities from the United States, United Kingdom, Australia, Russia, Germany, Japan, France, Canada, and many others.
The BIAL grants are promoted biannually.

Reference code: PT/FB/BL-2012
Location: SEC PCA
Title:
2012 Grants
Start date: 2013-02

Reference code: PT/FB/BL-2012-252
Location: SEC PCA 252/12
Title:
252 - Sleep state misperception mispercieved
Duration: 2014-06 - 2017-01
Researcher(s):
Eus J. W. Van Someren, J. Ramautar
Institution(s): Netherlands Institute for Neuroscience, Dept. Sleep & Cognition, Amsterdam (The Netherlands)
Contents: Contents:
Application form
Correspondence
Progress reports
Final reports
2 Articles
Language: eng
Author:
Van Someren, E.
Secondary author(s):
Ramautar, J.
Number of reproductions:
1
Keywords:
Psychophysiology / Sleep and dreams / Biopsychological problems / Mental health / Sleep disorders / Brain structure and function / Cognitive processes / Memory / Consciousness

Reference code: PT/FB/BL-2012-252.05
Location: SEC PCA 252/12
Title:
Sleep stage transition dynamics reveal specific stage 2 vulnerability in insomnia
Publication year: 2017
URL:
https://academic.oup.com/sleep/article-abstract/40/9/zsx117/3926054?redirectedFrom=fulltext
Abstract/Results: ABSTRACT:
STUDY OBJECTIVES:
Objective sleep impairments in insomnia disorder (ID) are insufficiently understood. The present study evaluated whether whole-night sleep stage dynamics derived from polysomnography (PSG) differ between people with ID and matched controls and whether sleep stage dynamic features discriminate them better than conventional sleep parameters.
METHODS:
Eighty-eight participants aged 21-70 years, including 46 with ID and 42 age- and sex-matched controls without sleep complaints, were recruited through www.sleepregistry.nl and completed two nights of laboratory PSG. Data of 100 people with ID and 100 age- and sex-matched controls from a previously reported study were used to validate the generalizability of findings. The second night was used to obtain, in addition to conventional sleep parameters, probabilities of transitions between stages and bout duration distributions of each stage. Group differences were evaluated with nonparametric tests.
RESULTS:
People with ID showed higher empirical probabilities to transition from stage N2 to the lighter sleep stage N1 or wakefulness and a faster decaying stage N2 bout survival function. The increased transition probability from stage N2 to stage N1 discriminated people with ID better than any of their deviations in conventional sleep parameters, including less total sleep time, less sleep efficiency, more stage N1, and more wake after sleep onset. Moreover, adding this transition probability significantly improved the discriminating power of a multiple logistic regression model based on conventional sleep parameters.
CONCLUSIONS:
Quantification of sleep stage dynamics revealed a particular vulnerability of stage N2 in insomnia. The feature characterizes insomnia better than-and independently of-any conventional sleep parameter.
Accessibility: Document does not exist in file
Language:
eng
Author:
Wei, Y.
Secondary author(s):
Colombo, M., Ramautar, J., Blanken, T. F., Van Der Werf, Y. D., Spiegelhalder, K., Feige, B., Riemann, D., Van Someren, E.
Document type:
Article
Number of reproductions:
1
Reference:
Wei, Y., Colombo, M. A., Ramautar, J. R., Blanken, T. F., van der Werf, Y. D., ..., Van Someren, E. (2017). Sleep stage transition dynamics reveal specific stage 2 vulnerability in insomnia. Sleep, 40(9), zsx117. https://doi.org/10.1093/sleep/zsx117
2-year Impact Factor: 5.135|2017
Times cited: 62|2025-09-16
Indexed document: Yes
Quartile: Q1
Keywords: Markov chain / Binary classification / Feature selection / Hypnogram / Insomnia disorder / non-REM sleep / Polysomnography / Sleep architecture / Sleep fragmentation / Sleep stage
DocumentInsomnia really hurts: Effect of a bad night's sleep on pain increases with insomnia severity2018

Reference code: PT/FB
Entity holding: BIAL Foundation
Location: S. Mamede do Coronado
Title:
BIAL Foundation Archive
Start date: 1994
History:
The BIAL Foundation was created in 1994 by Laboratórios BIAL in conjunction with the Council of Rectors of Portuguese Universities. BIAL’s Foundation mission is to foster the scientific study of Man from both the physical and spiritual perspectives.
Along the years the BIAL Foundation has developed an important relationship with the scientific community, first in Portugal and after worldwide. Today it is an institution of reference which aims to stimulate new researches that may help people, promote more health and contribute to new milestones to gain access to knowledge.
Among its activities the BIAL Foundation manages the BIAL Award, created in 1984, one of the most important awards in the Health field in Europe. The BIAL Award rewards both the basic and the clinical research distinguishing works of major impact in medical research.
The BIAL Foundation also assigns Scientific Research Scholarships for the study of neurophysiological and mental health in people, arousing the interest of researchers in the areas of Psychophysiology and Parapsychology.
To date the BIAL Foundation has supported 461 projects, more than 1000 researchers, with research groups in twenty-seven countries, resulting, until April 2013, in about 600 full papers, out of which 172 published in indexed international journals with an average impact factor of 3.6 and a substantial number of citations (1665).
Since 1996 the BIAL Foundation organizes the Symposia entitled "Behind and Beyond the Brain", a Forum that gathers well renowned neurosciences speakers and the BIAL Foundation Fellows which are spread around the world.
Classified as an institution of public utility, the BIAL Foundation includes among its patrons the Portuguese President, the Portuguese Universities Rectors' Council and the Portuguese Medical Association.
URL: http://www.bial.com/pt/
Accessibility: By permission

Reference code: PT/FB/BL
Entity holding: BIAL Foundation
Title: BIAL Grants
Start date: 1994
History:
In 1994 the BIAL Foundation launched a programme of science research grants with the aim of encouraging the research into Man’s physical and mental processes, namely in fields still largely unexplored but which warrant further scientific analysis, as Psychophysiology and Parapsychology.
Since its launch, applications to the BIAL grants have been increasing. Up to now 461 projects have been supported, involving more than 1000 researchers from 27 countries.
The approved applications have benefited from grants in amounts comprised between €5,000 and €50, 000. The amount to be granted is fixed by the Scientific board according to the needs of each project.
The supported projects have originated, until April 2013, in about 600 full papers, 172 out of which were published in indexed international journals with an average impact factor of 3.6 and a substantial number of citations (1665).
Among the BIAL Foundation fellows is worth highlighting the presence of scientists from prestigious universities from the United States, United Kingdom, Australia, Russia, Germany, Japan, France, Canada, and many others.
The BIAL grants are promoted biannually.

Reference code: PT/FB/BL-2016
Location: BF-GMS
Title:
2016 Grants
Start date: 2017-01

Reference code: PT/FB/BL-2016-190
Location: BF-GMS
Title:
190 - Sleeping body, sentient mind? Searching for the neural bases of conscious experiences during sleep
Duration: 2017-10 - 2019-06
Researcher(s):
Eus Van Someren, Yishul Wei
Institution(s): Department of Sleep and Cognition, Netherlands Institute for Neuroscience, Amsterdam (The Netherlands)
Contents: Contents:
Application form
Correspondence
Progress report
Final report
Articles
Author: Van Someren, E.
Secondary author(s):
Wei, Y.
Number of reproductions:
1
Keywords:
Interoception / Insomnia / Neural correlates of consciousness / Salience / Psychophysiology

Reference code: PT/FB/BL-2016-190.03
Location: BF-GMS
Title:
Insomnia really hurts: Effect of a bad night's sleep on pain increases with insomnia severity
Publication year: 2018
URL:
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6121188/
Abstract/Results: ABSTRACT:
Insomnia and chronic pain are highly prevalent conditions and are often comorbid. Somatic complaints other than pain are also often observed in insomnia. Poor sleep and pain are known to mutually reinforce each other. However, it is unknown whether the habitual severity of insomnia modulates the acute effect of a particularly bad night's sleep on the next day's pain severity, and whether it modulates the acute effect of pain on the following night's sleep quality. Using data from 3,508 volunteers (2,684 female, mean age 50.09 y), we addressed these questions in addition to the associations between the habitual severity of insomnia, somatic complaints, and pain. Results indicated that people suffering from more severe habitual insomnia showed stronger mutual acute within-day reactivity of pain and poor sleep quality. The same increased reactivity was found in people with more severe habitual pain. Interestingly, the acute within-day mutual reactivity of pain and sleep quality showed consistent asymmetry. Pain worsened more after a particularly bad night's sleep than it improved after a particularly good night's sleep. Likewise, sleep worsened more after a day with more-than-usual pain than it improved after a day with less-than-usual pain. Future interventions may profit from addressing this asymmetric mutual reactivity especially in people with severe comorbid insomnia and chronic pain.
Accessibility: Document exists in file
Language:
eng
Author:
Wei, Y.
Secondary author(s):
Blanken, T. F., Van Someren, E. J. W.
Document type:
Article
Number of reproductions:
1
Reference:
Wei, Y., Blanken, T. F., & Van Someren, E. J. W. (2018). Insomnia really hurts: Effect of a bad night's sleep on pain increases with insomnia severity. Frontiers in Psychiatry, 9: 377. https://doi.org/10.3389/fpsyt.2018.00377
2-year Impact Factor: 3.161|2018
Times cited: 38|2025-09-17
Indexed document: Yes
Quartile: Q2
Keywords: Sleep quality / Pain / Insomnia disorder / Somatic complaints / Symptom dynamics / Reactivity / Sensitization

Insomnia really hurts: Effect of a bad night's sleep on pain increases with insomnia severity

Insomnia really hurts: Effect of a bad night's sleep on pain increases with insomnia severity
DocumentEEG microstates indicate heightened somatic awareness in insomnia: Toward objective assessment of subjective mental content2018

Reference code: PT/FB
Entity holding: BIAL Foundation
Location: S. Mamede do Coronado
Title:
BIAL Foundation Archive
Start date: 1994
History:
The BIAL Foundation was created in 1994 by Laboratórios BIAL in conjunction with the Council of Rectors of Portuguese Universities. BIAL’s Foundation mission is to foster the scientific study of Man from both the physical and spiritual perspectives.
Along the years the BIAL Foundation has developed an important relationship with the scientific community, first in Portugal and after worldwide. Today it is an institution of reference which aims to stimulate new researches that may help people, promote more health and contribute to new milestones to gain access to knowledge.
Among its activities the BIAL Foundation manages the BIAL Award, created in 1984, one of the most important awards in the Health field in Europe. The BIAL Award rewards both the basic and the clinical research distinguishing works of major impact in medical research.
The BIAL Foundation also assigns Scientific Research Scholarships for the study of neurophysiological and mental health in people, arousing the interest of researchers in the areas of Psychophysiology and Parapsychology.
To date the BIAL Foundation has supported 461 projects, more than 1000 researchers, with research groups in twenty-seven countries, resulting, until April 2013, in about 600 full papers, out of which 172 published in indexed international journals with an average impact factor of 3.6 and a substantial number of citations (1665).
Since 1996 the BIAL Foundation organizes the Symposia entitled "Behind and Beyond the Brain", a Forum that gathers well renowned neurosciences speakers and the BIAL Foundation Fellows which are spread around the world.
Classified as an institution of public utility, the BIAL Foundation includes among its patrons the Portuguese President, the Portuguese Universities Rectors' Council and the Portuguese Medical Association.
URL: http://www.bial.com/pt/
Accessibility: By permission

Reference code: PT/FB/BL
Entity holding: BIAL Foundation
Title: BIAL Grants
Start date: 1994
History:
In 1994 the BIAL Foundation launched a programme of science research grants with the aim of encouraging the research into Man’s physical and mental processes, namely in fields still largely unexplored but which warrant further scientific analysis, as Psychophysiology and Parapsychology.
Since its launch, applications to the BIAL grants have been increasing. Up to now 461 projects have been supported, involving more than 1000 researchers from 27 countries.
The approved applications have benefited from grants in amounts comprised between €5,000 and €50, 000. The amount to be granted is fixed by the Scientific board according to the needs of each project.
The supported projects have originated, until April 2013, in about 600 full papers, 172 out of which were published in indexed international journals with an average impact factor of 3.6 and a substantial number of citations (1665).
Among the BIAL Foundation fellows is worth highlighting the presence of scientists from prestigious universities from the United States, United Kingdom, Australia, Russia, Germany, Japan, France, Canada, and many others.
The BIAL grants are promoted biannually.

Reference code: PT/FB/BL-2016
Location: BF-GMS
Title:
2016 Grants
Start date: 2017-01

Reference code: PT/FB/BL-2016-190
Location: BF-GMS
Title:
190 - Sleeping body, sentient mind? Searching for the neural bases of conscious experiences during sleep
Duration: 2017-10 - 2019-06
Researcher(s):
Eus Van Someren, Yishul Wei
Institution(s): Department of Sleep and Cognition, Netherlands Institute for Neuroscience, Amsterdam (The Netherlands)
Contents: Contents:
Application form
Correspondence
Progress report
Final report
Articles
Author: Van Someren, E.
Secondary author(s):
Wei, Y.
Number of reproductions:
1
Keywords:
Interoception / Insomnia / Neural correlates of consciousness / Salience / Psychophysiology

Reference code: PT/FB/BL-2016-190.04
Location: BF-GMS
Title:
EEG microstates indicate heightened somatic awareness in insomnia: Toward objective assessment of subjective mental content
Publication year: 2018
URL:
https://www.frontiersin.org/articles/10.3389/fpsyt.2018.00395/full
Abstract/Results: ABSTRACT:
People with Insomnia Disorder (ID) not only experience abundant nocturnal mentation, but also report altered spontaneous mental content during daytime wakefulness, such as an increase in bodily experiences (heightened somatic awareness). Previous studies have shown that resting-state EEG can be temporally partitioned into quasi-stable microstates, and that these microstates form a small number of canonical classes that are consistent across people. Furthermore, the microstate classes have been associated with individual differences in resting mental content including somatic awareness. To address the hypothesis that altered resting mental content in ID would be reflected in an altered representation of the corresponding EEG microstates, we analyzed resting-state high-density EEG of 32 people with ID and 32 age- and sex-matched controls assessed during 5-min eyes-closed wakefulness. Using data-driven topographical k-means clustering, we found that 5 microstate classes optimally explained the EEG scalp voltage map sequences across participants. For each microstate class, 3 dynamic features were obtained: mean duration, frequency of occurrence, and proportional coverage time. People with ID had a shorter mean duration of class C microstates, and more frequent occurrence of class D microstates. The finding is consistent with previously established associations of these microstate properties with somatic awareness, and increased somatic awareness in ID. EEG microstate assessment could provide objective markers of subjective experience dimensions in studies on consciousness during the transition between wake and sleep, when self-report is not possible because it would interfere with the very process under study. Addressing somatic awareness may benefit psychotherapeutic treatment of insomnia.
Accessibility: Document exists in file
Language:
eng
Author:
Wei, Y.
Secondary author(s):
Ramautar, J. R., Colombo, M. A., Te Lindert, B. H. W., Van Someren, E. J. W.
Document type:
Article
Number of reproductions:
1
Reference:
Wei, Y., Ramautar, J. R., Colombo, M. A., Te Lindert, B. H. W., & Van Someren, E. J. W. (2018). EEG microstates indicate heightened somatic awareness in insomnia: Toward objective assessment of subjective mental content. Frontiers in Psychiatry, 9: 395. https://doi.org/10.3389/fpsyt.2018.00395
2-year Impact Factor: 3.161|2018
Times cited: 31|2025-09-17
Indexed document: Yes
Quartile: Q2
Keywords: Electrical neuroimaging / High-density EEG / Insomnia disorder / Mental content / Microstate / Resting state / Somatic awareness / Wakefulness

EEG microstates indicate heightened somatic awareness in insomnia: Toward objective assessment of subjective mental content

EEG microstates indicate heightened somatic awareness in insomnia: Toward objective assessment of subjective mental content
DocumentHaunted by the past: old emotions remain salient in insomnia disorder2019

Reference code: PT/FB
Entity holding: BIAL Foundation
Location: S. Mamede do Coronado
Title:
BIAL Foundation Archive
Start date: 1994
History:
The BIAL Foundation was created in 1994 by Laboratórios BIAL in conjunction with the Council of Rectors of Portuguese Universities. BIAL’s Foundation mission is to foster the scientific study of Man from both the physical and spiritual perspectives.
Along the years the BIAL Foundation has developed an important relationship with the scientific community, first in Portugal and after worldwide. Today it is an institution of reference which aims to stimulate new researches that may help people, promote more health and contribute to new milestones to gain access to knowledge.
Among its activities the BIAL Foundation manages the BIAL Award, created in 1984, one of the most important awards in the Health field in Europe. The BIAL Award rewards both the basic and the clinical research distinguishing works of major impact in medical research.
The BIAL Foundation also assigns Scientific Research Scholarships for the study of neurophysiological and mental health in people, arousing the interest of researchers in the areas of Psychophysiology and Parapsychology.
To date the BIAL Foundation has supported 461 projects, more than 1000 researchers, with research groups in twenty-seven countries, resulting, until April 2013, in about 600 full papers, out of which 172 published in indexed international journals with an average impact factor of 3.6 and a substantial number of citations (1665).
Since 1996 the BIAL Foundation organizes the Symposia entitled "Behind and Beyond the Brain", a Forum that gathers well renowned neurosciences speakers and the BIAL Foundation Fellows which are spread around the world.
Classified as an institution of public utility, the BIAL Foundation includes among its patrons the Portuguese President, the Portuguese Universities Rectors' Council and the Portuguese Medical Association.
URL: http://www.bial.com/pt/
Accessibility: By permission

Reference code: PT/FB/BL
Entity holding: BIAL Foundation
Title: BIAL Grants
Start date: 1994
History:
In 1994 the BIAL Foundation launched a programme of science research grants with the aim of encouraging the research into Man’s physical and mental processes, namely in fields still largely unexplored but which warrant further scientific analysis, as Psychophysiology and Parapsychology.
Since its launch, applications to the BIAL grants have been increasing. Up to now 461 projects have been supported, involving more than 1000 researchers from 27 countries.
The approved applications have benefited from grants in amounts comprised between €5,000 and €50, 000. The amount to be granted is fixed by the Scientific board according to the needs of each project.
The supported projects have originated, until April 2013, in about 600 full papers, 172 out of which were published in indexed international journals with an average impact factor of 3.6 and a substantial number of citations (1665).
Among the BIAL Foundation fellows is worth highlighting the presence of scientists from prestigious universities from the United States, United Kingdom, Australia, Russia, Germany, Japan, France, Canada, and many others.
The BIAL grants are promoted biannually.

Reference code: PT/FB/BL-2012
Location: SEC PCA
Title:
2012 Grants
Start date: 2013-02

Reference code: PT/FB/BL-2012-253
Location: Arquivo PCA - Pasta 25/2012
Title:
253 - REM-sleep, the regulation of self-conscious emotion and hyperarousal in psychophysiological insomnia
Duration: 2015-11 - 2017-09
Researcher(s):
Lucia Talamini, Ekaterini Georgopoulou, Eus Van Someren
Institution(s): University of Amsterdam, Psychology, Dept. Brain and Cognition (The Netherlands) and Netherlands Institute for Neuroscience, Dept. Sleep & Cognition, Amsterdam (The Netherlands)
Contents: Contents:
Bursary agreement
Application form
Correspondence
Progress report
Final report
Language: eng
Author:
Talamini, L.
Secondary author(s):
Georgopoulou, E., Van Someren, E.
Number of reproductions:
1
Keywords:
Psychophysiology / Psychophysiological insomnia / Hyperarousal / Self-conscious emotion / REM-sleep

Reference code: PT/FB/BL-2012-253.06
Location: Arquivo PCA - Pasta 25/2012
Title:
Haunted by the past: old emotions remain salient in insomnia disorder
Publication year: 2019
URL:
Haunted by the past: old emotions remain salient in insomnia disorder
Abstract/Results: ABSTRACT
Studies suggest that sleep supports persistent changes in the neuronal representation of emotional experiences such that they are remembered better and less distressful when recalled than when they were first experienced. It is conceivable that sleep fragmentation by arousals, a key characteristic of insomnia disorder, could hamper the downregulation of distress. In this study, we sought further support for the idea that insomnia disorder may involve a lasting deficiency to downregulate emotional distress. We used functional MRI in insomnia disorder (n = 27) and normal sleepers (n = 30) to identify how brain activation differs between novel and relived self-conscious emotions. We evaluated whether brain activity elicited by reliving emotional memories from the distant past resembles the activity elicited by novel emotional experiences more in insomnia disorder than in normal sleepers. Limbic areas were activated during novel shameful experiences as compared to neutral experiences in both normal sleepers and insomnia disorder. In normal sleepers, reliving of shameful experiences from the past did not elicit a limbic response. In contrast, participants with insomnia disorder recruited overlapping parts of the limbic circuit, in particular the dorsal anterior cingulate cortex, during both new and relived shameful experiences. The differential activity patterns with new and old emotions in normal sleepers suggest that reactivation of the long-term memory trace does not recruit the limbic circuit. The overlap of activations in insomnia disorder is in line with the hypothesis that the disorder involves a deficiency to dissociate the limbic circuit from the emotional memory trace. Moreover, the findings provide further support for a role of the anterior cingulate cortex in insomnia.
Accessibility: Document exists in file
Language:
eng
Author:
Wassing, R.
Secondary author(s):
Schalkwijk, F., Lakbila-Kamal, O., Ramautar, J. R., Stoffers, D., Mutsaerts, H., Talamini, L., Van Someren, E.
Document type:
Article
Number of reproductions:
1
Reference:
Wassing, R., Schalkwijk, F., Lakbila-Kamal, O., Ramautar, J. R., Stoffers, D., Mutsaerts, H., ... Van Someren, E. (2019). Haunted by the past: old emotions remain salient in insomnia disorder. Brain, 142(6), 1783–1796. https://doi.org/10.1093/brain/awz089
2-year Impact Factor: 11.337|2019
Times cited: 53|2025-09-17
Indexed document: Yes
Quartile: Q1
Keywords: Self-conscious emotion / Insomnia disorder / Sleep / ACC / Emotional memory

Haunted by the past: old emotions remain salient in insomnia disorder

Haunted by the past: old emotions remain salient in insomnia disorder
DocumentBrain structural connectivity network alterations in insomnia disorder reveal a central role of the right angular gyrus2019

Reference code: PT/FB
Entity holding: BIAL Foundation
Location: S. Mamede do Coronado
Title:
BIAL Foundation Archive
Start date: 1994
History:
The BIAL Foundation was created in 1994 by Laboratórios BIAL in conjunction with the Council of Rectors of Portuguese Universities. BIAL’s Foundation mission is to foster the scientific study of Man from both the physical and spiritual perspectives.
Along the years the BIAL Foundation has developed an important relationship with the scientific community, first in Portugal and after worldwide. Today it is an institution of reference which aims to stimulate new researches that may help people, promote more health and contribute to new milestones to gain access to knowledge.
Among its activities the BIAL Foundation manages the BIAL Award, created in 1984, one of the most important awards in the Health field in Europe. The BIAL Award rewards both the basic and the clinical research distinguishing works of major impact in medical research.
The BIAL Foundation also assigns Scientific Research Scholarships for the study of neurophysiological and mental health in people, arousing the interest of researchers in the areas of Psychophysiology and Parapsychology.
To date the BIAL Foundation has supported 461 projects, more than 1000 researchers, with research groups in twenty-seven countries, resulting, until April 2013, in about 600 full papers, out of which 172 published in indexed international journals with an average impact factor of 3.6 and a substantial number of citations (1665).
Since 1996 the BIAL Foundation organizes the Symposia entitled "Behind and Beyond the Brain", a Forum that gathers well renowned neurosciences speakers and the BIAL Foundation Fellows which are spread around the world.
Classified as an institution of public utility, the BIAL Foundation includes among its patrons the Portuguese President, the Portuguese Universities Rectors' Council and the Portuguese Medical Association.
URL: http://www.bial.com/pt/
Accessibility: By permission

Reference code: PT/FB/BL
Entity holding: BIAL Foundation
Title: BIAL Grants
Start date: 1994
History:
In 1994 the BIAL Foundation launched a programme of science research grants with the aim of encouraging the research into Man’s physical and mental processes, namely in fields still largely unexplored but which warrant further scientific analysis, as Psychophysiology and Parapsychology.
Since its launch, applications to the BIAL grants have been increasing. Up to now 461 projects have been supported, involving more than 1000 researchers from 27 countries.
The approved applications have benefited from grants in amounts comprised between €5,000 and €50, 000. The amount to be granted is fixed by the Scientific board according to the needs of each project.
The supported projects have originated, until April 2013, in about 600 full papers, 172 out of which were published in indexed international journals with an average impact factor of 3.6 and a substantial number of citations (1665).
Among the BIAL Foundation fellows is worth highlighting the presence of scientists from prestigious universities from the United States, United Kingdom, Australia, Russia, Germany, Japan, France, Canada, and many others.
The BIAL grants are promoted biannually.

Reference code: PT/FB/BL-2016
Location: BF-GMS
Title:
2016 Grants
Start date: 2017-01

Reference code: PT/FB/BL-2016-190
Location: BF-GMS
Title:
190 - Sleeping body, sentient mind? Searching for the neural bases of conscious experiences during sleep
Duration: 2017-10 - 2019-06
Researcher(s):
Eus Van Someren, Yishul Wei
Institution(s): Department of Sleep and Cognition, Netherlands Institute for Neuroscience, Amsterdam (The Netherlands)
Contents: Contents:
Application form
Correspondence
Progress report
Final report
Articles
Author: Van Someren, E.
Secondary author(s):
Wei, Y.
Number of reproductions:
1
Keywords:
Interoception / Insomnia / Neural correlates of consciousness / Salience / Psychophysiology

Reference code: PT/FB/BL-2016-190.07
Location: BF-GMS
Title:
Brain structural connectivity network alterations in insomnia disorder reveal a central role of the right angular gyrus
Publication year: 2019
URL:
https://www.sciencedirect.com/science/article/pii/S2213158219303699
Abstract/Results: ABSTRACT:
Insomnia Disorder (ID) is a prevalent and persistent condition, yet its neural substrate is not well understood. The cognitive, emotional, and behavioral characteristics of ID suggest that vulnerability involves distributed brain networks rather than a single brain area or connection. The present study utilized probabilistic diffusion tractography to compare the whole-brain structural connectivity networks of people with ID and those of matched controls without sleep complaints.
Diffusion-weighted images and T1-weighed images were acquired in 51 people diagnosed with ID (21–69 years of age, 37 female) and 48 matched controls without sleep complaints (22–70 years of age, 31 female). Probabilistic tractography was performed to construct the whole-brain structural connectivity network of each participant. Case–control differences in connectivity strength and network efficiency were evaluated with permutation tests.
People with ID showed structural hyperconnectivity within a subnetwork that spread over frontal, parietal, temporal, and subcortical regions and was anchored at the right angular gyrus. The result was robust across different edge-weighting strategies. Moreover, converging support was given by the finding of heightened right angular gyrus nodal efficiency (harmonic centrality) across varying graph density in people with ID. Follow-up correlation analyses revealed that subnetwork connectivity was associated with self-reported reactive hyperarousal.
The findings demonstrate that the right angular gyrus is a hub of enhanced structural connectivity in ID. Hyperconnectivity within the identified subnetwork may contribute to increased reactivity to stimuli and may signify vulnerability to ID.
Accessibility: Document exist in file
Language:
eng
Author:
Wei, Y.
Secondary author(s):
Bresser, T., Wassing, R., Stoffers, D., Van Someren, E. J. W., Foster-Dingleya, J. C.
Document type:
Article
Number of reproductions:
1
Reference:
Wei, Y., Bresser, T., Wassing, R., Stoffers, D., Van Someren, E. J. W., & Foster-Dingleya, J. C. (2019). Brain structural connectivity network alterations in insomnia disorder reveal a central role of the right angular gyrus. NeuroImage: Clinical, 24: 102019. https://doi.org/10.1016/j.nicl.2019.102019
2-year Impact Factor: 4.350|2019
Times cited: 21|2025-09-17
Indexed document: Yes
Quartile: Q2
Keywords: Tractography / Diffusion-weighted MRI / Connectome / Angular gyrus / Insomnia disorder / Reactivity

Brain structural connectivity network alterations in insomnia disorder reveal a central role of the right angular gyrus

Brain structural connectivity network alterations in insomnia disorder reveal a central role of the right angular gyrus
DocumentReduced dynamic functional connectivity between salience and executive brain networks in insomnia disorder2019

Reference code: PT/FB
Entity holding: BIAL Foundation
Location: S. Mamede do Coronado
Title:
BIAL Foundation Archive
Start date: 1994
History:
The BIAL Foundation was created in 1994 by Laboratórios BIAL in conjunction with the Council of Rectors of Portuguese Universities. BIAL’s Foundation mission is to foster the scientific study of Man from both the physical and spiritual perspectives.
Along the years the BIAL Foundation has developed an important relationship with the scientific community, first in Portugal and after worldwide. Today it is an institution of reference which aims to stimulate new researches that may help people, promote more health and contribute to new milestones to gain access to knowledge.
Among its activities the BIAL Foundation manages the BIAL Award, created in 1984, one of the most important awards in the Health field in Europe. The BIAL Award rewards both the basic and the clinical research distinguishing works of major impact in medical research.
The BIAL Foundation also assigns Scientific Research Scholarships for the study of neurophysiological and mental health in people, arousing the interest of researchers in the areas of Psychophysiology and Parapsychology.
To date the BIAL Foundation has supported 461 projects, more than 1000 researchers, with research groups in twenty-seven countries, resulting, until April 2013, in about 600 full papers, out of which 172 published in indexed international journals with an average impact factor of 3.6 and a substantial number of citations (1665).
Since 1996 the BIAL Foundation organizes the Symposia entitled "Behind and Beyond the Brain", a Forum that gathers well renowned neurosciences speakers and the BIAL Foundation Fellows which are spread around the world.
Classified as an institution of public utility, the BIAL Foundation includes among its patrons the Portuguese President, the Portuguese Universities Rectors' Council and the Portuguese Medical Association.
URL: http://www.bial.com/pt/
Accessibility: By permission

Reference code: PT/FB/BL
Entity holding: BIAL Foundation
Title: BIAL Grants
Start date: 1994
History:
In 1994 the BIAL Foundation launched a programme of science research grants with the aim of encouraging the research into Man’s physical and mental processes, namely in fields still largely unexplored but which warrant further scientific analysis, as Psychophysiology and Parapsychology.
Since its launch, applications to the BIAL grants have been increasing. Up to now 461 projects have been supported, involving more than 1000 researchers from 27 countries.
The approved applications have benefited from grants in amounts comprised between €5,000 and €50, 000. The amount to be granted is fixed by the Scientific board according to the needs of each project.
The supported projects have originated, until April 2013, in about 600 full papers, 172 out of which were published in indexed international journals with an average impact factor of 3.6 and a substantial number of citations (1665).
Among the BIAL Foundation fellows is worth highlighting the presence of scientists from prestigious universities from the United States, United Kingdom, Australia, Russia, Germany, Japan, France, Canada, and many others.
The BIAL grants are promoted biannually.

Reference code: PT/FB/BL-2016
Location: BF-GMS
Title:
2016 Grants
Start date: 2017-01

Reference code: PT/FB/BL-2016-190
Location: BF-GMS
Title:
190 - Sleeping body, sentient mind? Searching for the neural bases of conscious experiences during sleep
Duration: 2017-10 - 2019-06
Researcher(s):
Eus Van Someren, Yishul Wei
Institution(s): Department of Sleep and Cognition, Netherlands Institute for Neuroscience, Amsterdam (The Netherlands)
Contents: Contents:
Application form
Correspondence
Progress report
Final report
Articles
Author: Van Someren, E.
Secondary author(s):
Wei, Y.
Number of reproductions:
1
Keywords:
Interoception / Insomnia / Neural correlates of consciousness / Salience / Psychophysiology

Reference code: PT/FB/BL-2016-190.06
Location: BF-GMS
Title:
Reduced dynamic functional connectivity between salience and executive brain networks in insomnia disorder
Publication year: 2019
URL:
https://onlinelibrary.wiley.com/doi/full/10.1111/jsr.12953
Abstract/Results: ABSTRACT:
Research into insomnia disorder has pointed to large-scale brain network dysfunctions. Dynamic functional connectivity is instrumental to cognitive functions but has not been investigated in insomnia disorder. This study assessed between-network functional connectivity strength and variability in patients with insomnia disorder as compared with matched controls without sleep complaints. Twelve-minute resting-state functional magnetic resonance images and T1-weighed images were acquired in 65 people diagnosed with insomnia disorder (21–69 years, 48 female) and 65 matched controls without sleep complaints (22–70 years, 42 female). Pairwise correlations between the activity time series of 14 resting-state networks and temporal variability of the correlations were compared between cases and controls. After false discovery rate correction for multiple comparisons, people with insomnia disorder and controls did not differ significantly in terms of mean between-network functional connectivity strength; people with insomnia disorder did, however, show less functional connectivity variability between the anterior salience network and the left executive-control network. The finding suggests less flexible interactions between the networks during the resting state in people with insomnia disorder.
Accessibility: Document exists in file
Language:
eng
Related objects:
BL-2012-253.09
Author: Wei, Y.
Secondary author(s):
Leerssen, J., Wassing, R., Stoffers, D., Perrier, J., Van Someren, E. J. W.
Document type:
Article
Number of reproductions:
1
Reference:
Wei, Y., Leerssen, J., Wassing, R., Stoffers, D., Perrier, J., & Van Someren, E. J. W. (2019). Reduced dynamic functional connectivity between salience and executive brain networks in insomnia disorder. Journal of Sleep Research, e12953. https://doi.org/10.1111/jsr.12953
2-year Impact Factor: 3.623|2019
Times cited: 32|2025-09-17
Indexed document: Yes
Quartile: Q2
Keywords: Dynamic functional connectivity / Insomnia disorder / Resting-state functional magnetic resonance imaging / Salience network

Reduced dynamic functional connectivity between salience and executive brain networks in insomnia disorder

Reduced dynamic functional connectivity between salience and executive brain networks in insomnia disorder
DocumentBrain structural connectivity network alterations in insomnia disorder reveal a central role of the right angular gyrus2019

Reference code: PT/FB
Entity holding: BIAL Foundation
Location: S. Mamede do Coronado
Title:
BIAL Foundation Archive
Start date: 1994
History:
The BIAL Foundation was created in 1994 by Laboratórios BIAL in conjunction with the Council of Rectors of Portuguese Universities. BIAL’s Foundation mission is to foster the scientific study of Man from both the physical and spiritual perspectives.
Along the years the BIAL Foundation has developed an important relationship with the scientific community, first in Portugal and after worldwide. Today it is an institution of reference which aims to stimulate new researches that may help people, promote more health and contribute to new milestones to gain access to knowledge.
Among its activities the BIAL Foundation manages the BIAL Award, created in 1984, one of the most important awards in the Health field in Europe. The BIAL Award rewards both the basic and the clinical research distinguishing works of major impact in medical research.
The BIAL Foundation also assigns Scientific Research Scholarships for the study of neurophysiological and mental health in people, arousing the interest of researchers in the areas of Psychophysiology and Parapsychology.
To date the BIAL Foundation has supported 461 projects, more than 1000 researchers, with research groups in twenty-seven countries, resulting, until April 2013, in about 600 full papers, out of which 172 published in indexed international journals with an average impact factor of 3.6 and a substantial number of citations (1665).
Since 1996 the BIAL Foundation organizes the Symposia entitled "Behind and Beyond the Brain", a Forum that gathers well renowned neurosciences speakers and the BIAL Foundation Fellows which are spread around the world.
Classified as an institution of public utility, the BIAL Foundation includes among its patrons the Portuguese President, the Portuguese Universities Rectors' Council and the Portuguese Medical Association.
URL: http://www.bial.com/pt/
Accessibility: By permission

Reference code: PT/FB/BL
Entity holding: BIAL Foundation
Title: BIAL Grants
Start date: 1994
History:
In 1994 the BIAL Foundation launched a programme of science research grants with the aim of encouraging the research into Man’s physical and mental processes, namely in fields still largely unexplored but which warrant further scientific analysis, as Psychophysiology and Parapsychology.
Since its launch, applications to the BIAL grants have been increasing. Up to now 461 projects have been supported, involving more than 1000 researchers from 27 countries.
The approved applications have benefited from grants in amounts comprised between €5,000 and €50, 000. The amount to be granted is fixed by the Scientific board according to the needs of each project.
The supported projects have originated, until April 2013, in about 600 full papers, 172 out of which were published in indexed international journals with an average impact factor of 3.6 and a substantial number of citations (1665).
Among the BIAL Foundation fellows is worth highlighting the presence of scientists from prestigious universities from the United States, United Kingdom, Australia, Russia, Germany, Japan, France, Canada, and many others.
The BIAL grants are promoted biannually.

Reference code: PT/FB/BL-2012
Location: SEC PCA
Title:
2012 Grants
Start date: 2013-02

Reference code: PT/FB/BL-2012-253
Location: Arquivo PCA - Pasta 25/2012
Title:
253 - REM-sleep, the regulation of self-conscious emotion and hyperarousal in psychophysiological insomnia
Duration: 2015-11 - 2017-09
Researcher(s):
Lucia Talamini, Ekaterini Georgopoulou, Eus Van Someren
Institution(s): University of Amsterdam, Psychology, Dept. Brain and Cognition (The Netherlands) and Netherlands Institute for Neuroscience, Dept. Sleep & Cognition, Amsterdam (The Netherlands)
Contents: Contents:
Bursary agreement
Application form
Correspondence
Progress report
Final report
Language: eng
Author:
Talamini, L.
Secondary author(s):
Georgopoulou, E., Van Someren, E.
Number of reproductions:
1
Keywords:
Psychophysiology / Psychophysiological insomnia / Hyperarousal / Self-conscious emotion / REM-sleep

Reference code: PT/FB/BL-2012-253.08
Location: Arquivo PCA - Pasta 25/2012
Title:
Brain structural connectivity network alterations in insomnia disorder reveal a central role of the right angular gyrus
Publication year: 2019
URL:
https://www.sciencedirect.com/science/article/pii/S2213158219303699
Abstract/Results: ABSTRACT:
Insomnia Disorder (ID) is a prevalent and persistent condition, yet its neural substrate is not well understood. The cognitive, emotional, and behavioral characteristics of ID suggest that vulnerability involves distributed brain networks rather than a single brain area or connection. The present study utilized probabilistic diffusion tractography to compare the whole-brain structural connectivity networks of people with ID and those of matched controls without sleep complaints.
Diffusion-weighted images and T1-weighed images were acquired in 51 people diagnosed with ID (21–69 years of age, 37 female) and 48 matched controls without sleep complaints (22–70 years of age, 31 female). Probabilistic tractography was performed to construct the whole-brain structural connectivity network of each participant. Case–control differences in connectivity strength and network efficiency were evaluated with permutation tests.
People with ID showed structural hyperconnectivity within a subnetwork that spread over frontal, parietal, temporal, and subcortical regions and was anchored at the right angular gyrus. The result was robust across different edge-weighting strategies. Moreover, converging support was given by the finding of heightened right angular gyrus nodal efficiency (harmonic centrality) across varying graph density in people with ID. Follow-up correlation analyses revealed that subnetwork connectivity was associated with self-reported reactive hyperarousal.
The findings demonstrate that the right angular gyrus is a hub of enhanced structural connectivity in ID. Hyperconnectivity within the identified subnetwork may contribute to increased reactivity to stimuli and may signify vulnerability to ID.
Accessibility: Document exists in file
Language:
eng
Author:
Wei, Y.
Secondary author(s):
Bresser, T., Wassing, R., Stoffers, D., Van Someren, E. J. W., Foster-Dingleya, J. C.
Document type:
Article-d
Number of reproductions:
1
Reference:
Wei, Y., Bresser, T., Wassing, R., Stoffers, D., Van Someren, E. J. W., & Foster-Dingleya, J. C. (2019). Brain structural connectivity network alterations in insomnia disorder reveal a central role of the right angular gyrus. NeuroImage: Clinical, 24: 102019. https://doi.org/10.1016/j.nicl.2019.102019
2-year Impact Factor: 4.350|2019
Times cited: 21|2025-09-17
Indexed document: Yes
Quartile: Q2
Keywords: Tractography / Diffusion-weighted MRI / Connectome / Angular gyrus / Insomnia disorder / Reactivity

Brain structural connectivity network alterations in insomnia disorder reveal a central role of the right angular gyrus

Brain structural connectivity network alterations in insomnia disorder reveal a central role of the right angular gyrus
DocumentConsistent altered internal capsule white matter microstructure in insomnia disorder2020

Reference code: PT/FB
Entity holding: BIAL Foundation
Location: S. Mamede do Coronado
Title:
BIAL Foundation Archive
Start date: 1994
History:
The BIAL Foundation was created in 1994 by Laboratórios BIAL in conjunction with the Council of Rectors of Portuguese Universities. BIAL’s Foundation mission is to foster the scientific study of Man from both the physical and spiritual perspectives.
Along the years the BIAL Foundation has developed an important relationship with the scientific community, first in Portugal and after worldwide. Today it is an institution of reference which aims to stimulate new researches that may help people, promote more health and contribute to new milestones to gain access to knowledge.
Among its activities the BIAL Foundation manages the BIAL Award, created in 1984, one of the most important awards in the Health field in Europe. The BIAL Award rewards both the basic and the clinical research distinguishing works of major impact in medical research.
The BIAL Foundation also assigns Scientific Research Scholarships for the study of neurophysiological and mental health in people, arousing the interest of researchers in the areas of Psychophysiology and Parapsychology.
To date the BIAL Foundation has supported 461 projects, more than 1000 researchers, with research groups in twenty-seven countries, resulting, until April 2013, in about 600 full papers, out of which 172 published in indexed international journals with an average impact factor of 3.6 and a substantial number of citations (1665).
Since 1996 the BIAL Foundation organizes the Symposia entitled "Behind and Beyond the Brain", a Forum that gathers well renowned neurosciences speakers and the BIAL Foundation Fellows which are spread around the world.
Classified as an institution of public utility, the BIAL Foundation includes among its patrons the Portuguese President, the Portuguese Universities Rectors' Council and the Portuguese Medical Association.
URL: http://www.bial.com/pt/
Accessibility: By permission

Reference code: PT/FB/BL
Entity holding: BIAL Foundation
Title: BIAL Grants
Start date: 1994
History:
In 1994 the BIAL Foundation launched a programme of science research grants with the aim of encouraging the research into Man’s physical and mental processes, namely in fields still largely unexplored but which warrant further scientific analysis, as Psychophysiology and Parapsychology.
Since its launch, applications to the BIAL grants have been increasing. Up to now 461 projects have been supported, involving more than 1000 researchers from 27 countries.
The approved applications have benefited from grants in amounts comprised between €5,000 and €50, 000. The amount to be granted is fixed by the Scientific board according to the needs of each project.
The supported projects have originated, until April 2013, in about 600 full papers, 172 out of which were published in indexed international journals with an average impact factor of 3.6 and a substantial number of citations (1665).
Among the BIAL Foundation fellows is worth highlighting the presence of scientists from prestigious universities from the United States, United Kingdom, Australia, Russia, Germany, Japan, France, Canada, and many others.
The BIAL grants are promoted biannually.

Reference code: PT/FB/BL-2012
Location: SEC PCA
Title:
2012 Grants
Start date: 2013-02

Reference code: PT/FB/BL-2012-253
Location: Arquivo PCA - Pasta 25/2012
Title:
253 - REM-sleep, the regulation of self-conscious emotion and hyperarousal in psychophysiological insomnia
Duration: 2015-11 - 2017-09
Researcher(s):
Lucia Talamini, Ekaterini Georgopoulou, Eus Van Someren
Institution(s): University of Amsterdam, Psychology, Dept. Brain and Cognition (The Netherlands) and Netherlands Institute for Neuroscience, Dept. Sleep & Cognition, Amsterdam (The Netherlands)
Contents: Contents:
Bursary agreement
Application form
Correspondence
Progress report
Final report
Language: eng
Author:
Talamini, L.
Secondary author(s):
Georgopoulou, E., Van Someren, E.
Number of reproductions:
1
Keywords:
Psychophysiology / Psychophysiological insomnia / Hyperarousal / Self-conscious emotion / REM-sleep

Reference code: PT/FB/BL-2012-253.11
Title: Consistent altered internal capsule white matter microstructure in insomnia disorder
Publication year: 2020
URL:
https://academic.oup.com/sleep/article/43/8/zsaa031/5775301
Abstract/Results: ABSTRACT:
Study Objectives: Suggested neural correlates of insomnia disorder have been hard to replicate. Even the most consistent finding, altered white matter microstructure in the anterior limb of the internal capsule, is based on handful studies. The urge for replicable targets to understand the underlying mechanisms of insomnia made us study white matter fractional anisotropy (FA) across three samples of cases and controls.
Methods: 3-Tesla MRI diffusion tensor imaging data of three independent samples were combined for analysis, resulting in n = 137 participants, of whom 73 were diagnosed with insomnia disorder and 64 were matched controls without sleep complaints. Insomnia severity was measured with the Insomnia Severity Index (ISI). White matter microstructure was assessed with FA. White matter tracts were skeletonized and analyzed using tract-based spatial statistics. We performed a region-of-interest analysis using linear mixed-effect models to evaluate case-control differences in internal capsule FA as well as associations between internal capsule FA and insomnia severity.
Results: FA in the right limb of the anterior internal capsule was lower in insomnia disorder than in controls (beta = -9.76e(-3); SE = 4.17e(-3), p = .034). In the entire sample, a higher ISI score was associated with a lower FA value of the right internal capsule (beta = -8.05e(- 4) FA/ISI point, SE = 2.60e(- 4), p = .008). Ancillary whole brain voxel-wise analyses showed no significant group difference or association with insomnia severity after correction for multiple comparisons.
Conclusions: The internal capsule shows small but consistent insomnia-related alterations. The findings support a circuit-based approach to underlying mechanisms since this tract connects many brain areas previously implicated in insomnia.
Accessibility: Document exists in file
Language:
eng
Author:
Bresser, T.
Secondary author(s):
Foster-Dingley, J. C., Wassing, R., Leerssen, J., Ramautar, J. R., Stoffers, D., Lakbila-Kamal, O., van den Heuvel, M., van Someren, E. J. W,
Document type:
Article
Number of reproductions:
1
Reference:
Bresser, T., Foster-Dingley, J. C., Wassing, R., Leerssen, J., Ramautar, J. R., Stoffers, D., Lakbila-Kamal, O., van den Heuvel, M.,& van Someren, E. J. W. (2020). Consistent altered internal capsule white matter microstructure in insomnia disorder. Sleep, 43(8): zsaa031. https://doi.org/10.1093/sleep/zsaa031
2-year Impact Factor: 5.849|2020
Times cited: 16|2025-09-20
Indexed document: Yes
Quartile: Q1
Keywords: Insomnia disorder / White matter / Internal capsule / Diffusion tensor imaging / Fractional anisotropy

Consistent altered internal capsule white matter microstructure in insomnia disorder

Consistent altered internal capsule white matter microstructure in insomnia disorder
DocumentInsomnia disorder and brain's default-mode network2018

Reference code: PT/FB
Entity holding: BIAL Foundation
Location: S. Mamede do Coronado
Title:
BIAL Foundation Archive
Start date: 1994
History:
The BIAL Foundation was created in 1994 by Laboratórios BIAL in conjunction with the Council of Rectors of Portuguese Universities. BIAL’s Foundation mission is to foster the scientific study of Man from both the physical and spiritual perspectives.
Along the years the BIAL Foundation has developed an important relationship with the scientific community, first in Portugal and after worldwide. Today it is an institution of reference which aims to stimulate new researches that may help people, promote more health and contribute to new milestones to gain access to knowledge.
Among its activities the BIAL Foundation manages the BIAL Award, created in 1984, one of the most important awards in the Health field in Europe. The BIAL Award rewards both the basic and the clinical research distinguishing works of major impact in medical research.
The BIAL Foundation also assigns Scientific Research Scholarships for the study of neurophysiological and mental health in people, arousing the interest of researchers in the areas of Psychophysiology and Parapsychology.
To date the BIAL Foundation has supported 461 projects, more than 1000 researchers, with research groups in twenty-seven countries, resulting, until April 2013, in about 600 full papers, out of which 172 published in indexed international journals with an average impact factor of 3.6 and a substantial number of citations (1665).
Since 1996 the BIAL Foundation organizes the Symposia entitled "Behind and Beyond the Brain", a Forum that gathers well renowned neurosciences speakers and the BIAL Foundation Fellows which are spread around the world.
Classified as an institution of public utility, the BIAL Foundation includes among its patrons the Portuguese President, the Portuguese Universities Rectors' Council and the Portuguese Medical Association.
URL: http://www.bial.com/pt/
Accessibility: By permission

Reference code: PT/FB/BL
Entity holding: BIAL Foundation
Title: BIAL Grants
Start date: 1994
History:
In 1994 the BIAL Foundation launched a programme of science research grants with the aim of encouraging the research into Man’s physical and mental processes, namely in fields still largely unexplored but which warrant further scientific analysis, as Psychophysiology and Parapsychology.
Since its launch, applications to the BIAL grants have been increasing. Up to now 461 projects have been supported, involving more than 1000 researchers from 27 countries.
The approved applications have benefited from grants in amounts comprised between €5,000 and €50, 000. The amount to be granted is fixed by the Scientific board according to the needs of each project.
The supported projects have originated, until April 2013, in about 600 full papers, 172 out of which were published in indexed international journals with an average impact factor of 3.6 and a substantial number of citations (1665).
Among the BIAL Foundation fellows is worth highlighting the presence of scientists from prestigious universities from the United States, United Kingdom, Australia, Russia, Germany, Japan, France, Canada, and many others.
The BIAL grants are promoted biannually.

Reference code: PT/FB/BL-2010
Location: Arquivo PCA - Pastas 1 a 23
Title:
2010 Grants
Start date: 2011-01

Reference code: PT/FB/BL-2010-170
Location: Arquivo PCA - Pasta 10/2010
Title:
170 - The role of fusion of multisensory percepts in dynamic facial/body expressions: an fMRI study
Duration: 2011-04 - 2013-11
Researcher(s):
Gina Maria Costa Caetano, Miguel Castelo-Branco, Beatrice de Gelder, Gregor Philipak
Institution(s): Instituto Biomédico de Investigação de Luz e Imagem - IBILI-, Faculdade de Medicina, Universidade de Coimbra (Portugal)
Contents: Contents:
Bursary agreement
Application form
Correspondence
Financial report and expenditure documents
Progress reports
Final report
1 Article
1 Master's thesis
Language: eng
Author:
Caetano, G.
Secondary author(s):
Castelo-Branco, M., Gelder, B., Philipiak, G.
Number of reproductions:
1
Keywords:
Psychophysiology / Emotion / Cognitive processes / Perception / Brain structure and function

Reference code: PT/FB/BL-2010-170.08
Location: BF-GMS
Title:
Insomnia disorder and brain's default-mode network
Publication year: 2018
URL:
https://link.springer.com/article/10.1007%2Fs11910-018-0861-3
Abstract/Results: ABSTRACT:
Insomnia disorder (ID) is a prevalent sleep disorder that significantly compromises the physical and mental health of individuals. This article reviews novel approaches in the study of brain networks and impaired function in ID through the application of modern neuroimaging techniques such as functional magnetic resonance imaging (fMRI).
The default-mode network (DMN) is presumed to be correlated with self-referential information processing, and it appears to be altered or unbalanced in insomnia.
A growing body of evidence suggests the lack of deactivation of brain regions comprising the DMN when insomnia patients are at rest. Moreover, core areas of the DMN demonstrate greater activation in insomnia patients when compared to healthy controls in self-referential related tasks. Despite the few studies on the topic, underpinning the correlation between abnormal DMN activity and ID deserves further attention in the future. Implications for therapeutics are briefly outlined.
Accessibility: Document exists in file
Language:
eng
Author:
Marques, D. R.
Secondary author(s):
Gomes, A. A., Caetano, G., Castelo-Branco, M.
Document type:
Article
Number of reproductions:
1
Reference:
Marques, D. R., Gomes, A. A., Caetano, G., & Castelo-Branco, M. (2018). Insomnia disorder and brain's default-mode network. Current Neurology and Neuroscience Reports, 18: 45. https://doi.org/10.1007/s11910-018-0861-3
2-year Impact Factor: 3.400|2018
Times cited: 82|2025-09-17
Indexed document: Yes
Quartile: Q2
Keywords: Insomnia disorder / Default-mode network / Self-referential processing / Brain imaging / Sleep

Insomnia disorder and brain's default-mode network

Insomnia disorder and brain's default-mode network
DocumentConsistent altered internal capsule white matter microstructure in insomnia disorder2020

Reference code: PT/FB
Entity holding: BIAL Foundation
Location: S. Mamede do Coronado
Title:
BIAL Foundation Archive
Start date: 1994
History:
The BIAL Foundation was created in 1994 by Laboratórios BIAL in conjunction with the Council of Rectors of Portuguese Universities. BIAL’s Foundation mission is to foster the scientific study of Man from both the physical and spiritual perspectives.
Along the years the BIAL Foundation has developed an important relationship with the scientific community, first in Portugal and after worldwide. Today it is an institution of reference which aims to stimulate new researches that may help people, promote more health and contribute to new milestones to gain access to knowledge.
Among its activities the BIAL Foundation manages the BIAL Award, created in 1984, one of the most important awards in the Health field in Europe. The BIAL Award rewards both the basic and the clinical research distinguishing works of major impact in medical research.
The BIAL Foundation also assigns Scientific Research Scholarships for the study of neurophysiological and mental health in people, arousing the interest of researchers in the areas of Psychophysiology and Parapsychology.
To date the BIAL Foundation has supported 461 projects, more than 1000 researchers, with research groups in twenty-seven countries, resulting, until April 2013, in about 600 full papers, out of which 172 published in indexed international journals with an average impact factor of 3.6 and a substantial number of citations (1665).
Since 1996 the BIAL Foundation organizes the Symposia entitled "Behind and Beyond the Brain", a Forum that gathers well renowned neurosciences speakers and the BIAL Foundation Fellows which are spread around the world.
Classified as an institution of public utility, the BIAL Foundation includes among its patrons the Portuguese President, the Portuguese Universities Rectors' Council and the Portuguese Medical Association.
URL: http://www.bial.com/pt/
Accessibility: By permission

Reference code: PT/FB/BL
Entity holding: BIAL Foundation
Title: BIAL Grants
Start date: 1994
History:
In 1994 the BIAL Foundation launched a programme of science research grants with the aim of encouraging the research into Man’s physical and mental processes, namely in fields still largely unexplored but which warrant further scientific analysis, as Psychophysiology and Parapsychology.
Since its launch, applications to the BIAL grants have been increasing. Up to now 461 projects have been supported, involving more than 1000 researchers from 27 countries.
The approved applications have benefited from grants in amounts comprised between €5,000 and €50, 000. The amount to be granted is fixed by the Scientific board according to the needs of each project.
The supported projects have originated, until April 2013, in about 600 full papers, 172 out of which were published in indexed international journals with an average impact factor of 3.6 and a substantial number of citations (1665).
Among the BIAL Foundation fellows is worth highlighting the presence of scientists from prestigious universities from the United States, United Kingdom, Australia, Russia, Germany, Japan, France, Canada, and many others.
The BIAL grants are promoted biannually.

Reference code: PT/FB/BL-2012
Location: SEC PCA
Title:
2012 Grants
Start date: 2013-02

Reference code: PT/FB/BL-2012-252
Location: SEC PCA 252/12
Title:
252 - Sleep state misperception mispercieved
Duration: 2014-06 - 2017-01
Researcher(s):
Eus J. W. Van Someren, J. Ramautar
Institution(s): Netherlands Institute for Neuroscience, Dept. Sleep & Cognition, Amsterdam (The Netherlands)
Contents: Contents:
Application form
Correspondence
Progress reports
Final reports
2 Articles
Language: eng
Author:
Van Someren, E.
Secondary author(s):
Ramautar, J.
Number of reproductions:
1
Keywords:
Psychophysiology / Sleep and dreams / Biopsychological problems / Mental health / Sleep disorders / Brain structure and function / Cognitive processes / Memory / Consciousness

Reference code: PT/FB/BL-2012-252.08
Location: BF-GMS
Title:
Consistent altered internal capsule white matter microstructure in insomnia disorder
Publication year: 2020
URL:
https://pubmed.ncbi.nlm.nih.gov/32123914/
Abstract/Results: Abstract
Study objectives: Suggested neural correlates of insomnia disorder have been hard to replicate. Even the most consistent finding, altered white matter microstructure in the anterior limb of the internal capsule, is based on handful studies. The urge for replicable targets to understand the underlying mechanisms of insomnia made us study white matter fractional anisotropy (FA) across three samples of cases and controls.
Methods: 3-Tesla MRI diffusion tensor imaging data of three independent samples were combined for analysis, resulting in n = 137 participants, of whom 73 were diagnosed with insomnia disorder and 64 were matched controls without sleep complaints. Insomnia severity was measured with the Insomnia Severity Index (ISI). White matter microstructure was assessed with FA. White matter tracts were skeletonized and analyzed using tract-based spatial statistics. We performed a region-of-interest analysis using linear mixed-effect models to evaluate case-control differences in internal capsule FA as well as associations between internal capsule FA and insomnia severity.
Results: FA in the right limb of the anterior internal capsule was lower in insomnia disorder than in controls (ß = -9.76e-3; SE = 4.17e-3, p = .034). In the entire sample, a higher ISI score was associated with a lower FA value of the right internal capsule (ß = -8.05e- 4 FA/ISI point, SE = 2.60e- 4, p = .008). Ancillary whole brain voxel-wise analyses showed no significant group difference or association with insomnia severity after correction for multiple comparisons.
Conclusions: The internal capsule shows small but consistent insomnia-related alterations. The findings support a circuit-based approach to underlying mechanisms since this tract connects many brain areas previously implicated in insomnia.
Accessibility: Document exists in file
Copyright/Reproduction:
by permission
Language:
eng
Author:
Bresser, T.
Secondary author(s):
Foster-Dingley, J. C., Wassing, R., Leerssen, J., Ramautar, J. R., Stoffers, D., Lakbila-Kamal, O., van den Heuvel, M., van Someren, E. J. W.
Document type:
Article-d
Number of reproductions:
1
Reference:
Bresser, T., Foster-Dingley, J. C., Wassing, R., Leerssen, J., Ramautar, J. R., Stoffers, D., Lakbila-Kamal, O., van den Heuvel, M.,& van Someren, E. J. W. (2020). Consistent altered internal capsule white matter microstructure in insomnia disorder. Sleep, 43(8): zsaa031. https://doi.org/10.1093/sleep/zsaa031
2-year Impact Factor: 5.849|2020
Times cited: 16|2025-09-20
Indexed document: Yes
Quartile: Q1
Keywords: Diffusion tensor imaging / Fractional anisotropy / Insomnia disorder / Internal capsule / White matter
DocumentReduced dynamic functional connectivity between salience and executive brain networks in insomnia disorder2019

Reference code: PT/FB
Entity holding: BIAL Foundation
Location: S. Mamede do Coronado
Title:
BIAL Foundation Archive
Start date: 1994
History:
The BIAL Foundation was created in 1994 by Laboratórios BIAL in conjunction with the Council of Rectors of Portuguese Universities. BIAL’s Foundation mission is to foster the scientific study of Man from both the physical and spiritual perspectives.
Along the years the BIAL Foundation has developed an important relationship with the scientific community, first in Portugal and after worldwide. Today it is an institution of reference which aims to stimulate new researches that may help people, promote more health and contribute to new milestones to gain access to knowledge.
Among its activities the BIAL Foundation manages the BIAL Award, created in 1984, one of the most important awards in the Health field in Europe. The BIAL Award rewards both the basic and the clinical research distinguishing works of major impact in medical research.
The BIAL Foundation also assigns Scientific Research Scholarships for the study of neurophysiological and mental health in people, arousing the interest of researchers in the areas of Psychophysiology and Parapsychology.
To date the BIAL Foundation has supported 461 projects, more than 1000 researchers, with research groups in twenty-seven countries, resulting, until April 2013, in about 600 full papers, out of which 172 published in indexed international journals with an average impact factor of 3.6 and a substantial number of citations (1665).
Since 1996 the BIAL Foundation organizes the Symposia entitled "Behind and Beyond the Brain", a Forum that gathers well renowned neurosciences speakers and the BIAL Foundation Fellows which are spread around the world.
Classified as an institution of public utility, the BIAL Foundation includes among its patrons the Portuguese President, the Portuguese Universities Rectors' Council and the Portuguese Medical Association.
URL: http://www.bial.com/pt/
Accessibility: By permission

Reference code: PT/FB/BL
Entity holding: BIAL Foundation
Title: BIAL Grants
Start date: 1994
History:
In 1994 the BIAL Foundation launched a programme of science research grants with the aim of encouraging the research into Man’s physical and mental processes, namely in fields still largely unexplored but which warrant further scientific analysis, as Psychophysiology and Parapsychology.
Since its launch, applications to the BIAL grants have been increasing. Up to now 461 projects have been supported, involving more than 1000 researchers from 27 countries.
The approved applications have benefited from grants in amounts comprised between €5,000 and €50, 000. The amount to be granted is fixed by the Scientific board according to the needs of each project.
The supported projects have originated, until April 2013, in about 600 full papers, 172 out of which were published in indexed international journals with an average impact factor of 3.6 and a substantial number of citations (1665).
Among the BIAL Foundation fellows is worth highlighting the presence of scientists from prestigious universities from the United States, United Kingdom, Australia, Russia, Germany, Japan, France, Canada, and many others.
The BIAL grants are promoted biannually.

Reference code: PT/FB/BL-2012
Location: SEC PCA
Title:
2012 Grants
Start date: 2013-02

Reference code: PT/FB/BL-2012-253
Location: Arquivo PCA - Pasta 25/2012
Title:
253 - REM-sleep, the regulation of self-conscious emotion and hyperarousal in psychophysiological insomnia
Duration: 2015-11 - 2017-09
Researcher(s):
Lucia Talamini, Ekaterini Georgopoulou, Eus Van Someren
Institution(s): University of Amsterdam, Psychology, Dept. Brain and Cognition (The Netherlands) and Netherlands Institute for Neuroscience, Dept. Sleep & Cognition, Amsterdam (The Netherlands)
Contents: Contents:
Bursary agreement
Application form
Correspondence
Progress report
Final report
Language: eng
Author:
Talamini, L.
Secondary author(s):
Georgopoulou, E., Van Someren, E.
Number of reproductions:
1
Keywords:
Psychophysiology / Psychophysiological insomnia / Hyperarousal / Self-conscious emotion / REM-sleep

Reference code: PT/FB/BL-2012-253.09
Location: BF-GMS
Title:
Reduced dynamic functional connectivity between salience and executive brain networks in insomnia disorder
Publication year: 2019
URL:
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7154624/
Abstract/Results: Research into insomnia disorder has pointed to large-scale brain network dysfunctions. Dynamic functional connectivity is instrumental to cognitive functions but has not been investigated in insomnia disorder. This study assessed between-network functional connectivity strength and variability in patients with insomnia disorder as compared with matched controls without sleep complaints. Twelve-minute resting-state functional magnetic resonance images and T1-weighed images were acquired in 65 people diagnosed with insomnia disorder (21–69 years, 48 female) and 65 matched controls without sleep complaints (22–70 years, 42 female). Pairwise correlations between the activity time series of 14 resting-state networks and temporal variability of the correlations were compared between cases and controls. After false discovery rate correction for multiple comparisons, people with insomnia disorder and controls did not differ significantly in terms of mean between-network functional connectivity strength; people with insomnia disorder did, however, show less functional connectivity variability between the anterior salience network and the left executive-control network. The finding suggests less flexible interactions between the networks during the resting state in people with insomnia disorder.
Accessibility: Document exists in file
Language:
eng
Author:
Wei, Y.
Secondary author(s):
Leerssen, J., Wassing, R., Stoffers, D., Perrier, J., Van Someren, E.
Document type:
Article-d
Number of reproductions:
1
Reference:
Wei, Y., Leerssen, J., Wassing, R., Stoffers, D., Perrier, J., & Van Someren, E. J. W. (2019). Reduced dynamic functional connectivity between salience and executive brain networks in insomnia disorder. Journal of Sleep Research, e12953. https://doi.org/10.1111/jsr.12953
2-year Impact Factor: 3.623|2019
Times cited: 32|2025-09-17
Indexed document: Yes
Quartile: Q2
Keywords: Dynamic functional connectivity / Insomnia disorder / Resting-state functional magnetic resonance imaging / Salience network

Reduced dynamic functional connectivity between salience and executive brain networks in insomnia disorder

Reduced dynamic functional connectivity between salience and executive brain networks in insomnia disorder