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File135 - The physiological role of circadian rhythms in memory2019-012023-01

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-2018
Location: BF-GMS
Title:
2018 Grants
Start date: 2019-01

Reference code: PT/FB/BL-2018-135
Location: BF-GMS
Title:
135 - The physiological role of circadian rhythms in memory
Duration: 2019-01 - 2023-01
Researcher(s):
Luísa Lopes, Miguel Remondes, Ana Morgado, Joana Coelho
Institution(s): Instituto de Medicina Molecular - João Lobo Antunes, Lisboa (Portugal)
Contents: Contents:
Application form
Correspondence
Research Funding Agreement
Progress report
Final report
Article
Language: eng
Author:
Lopes, L. V.
Secondary author(s):
Remondes, M., Morgado, A., Coelho, J.
Number of reproductions:
1
Keywords:
Psycophysiology / Cognition / Circadian / Memory
DocumentValidation of the Portuguese Variant of the Munich Chronotype Questionnaire (MCTQ(PT))2020

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-2018
Location: BF-GMS
Title:
2018 Grants
Start date: 2019-01

Reference code: PT/FB/BL-2018-135
Location: BF-GMS
Title:
135 - The physiological role of circadian rhythms in memory
Duration: 2019-01 - 2023-01
Researcher(s):
Luísa Lopes, Miguel Remondes, Ana Morgado, Joana Coelho
Institution(s): Instituto de Medicina Molecular - João Lobo Antunes, Lisboa (Portugal)
Contents: Contents:
Application form
Correspondence
Research Funding Agreement
Progress report
Final report
Article
Language: eng
Author:
Lopes, L. V.
Secondary author(s):
Remondes, M., Morgado, A., Coelho, J.
Number of reproductions:
1
Keywords:
Psycophysiology / Cognition / Circadian / Memory

Reference code: PT/FB/BL-2018-135.02
Location: BF-GMS
Title:
Validation of the Portuguese Variant of the Munich Chronotype Questionnaire (MCTQ(PT))
Publication year: 2020
URL:
https://www.frontiersin.org/articles/10.3389/fphys.2020.00795/full
Abstract/Results: ABSTRACT:
Introduction Differences in the manner circadian clocks entrain to the 24-h day are expressions of different chronotypes that can range from extreme early to extreme late, from proverbial larks to owls. The Morningness Eveningness Questionnaire (MEQ) was one of the first to assess daily preference based on subjective self-assessment - a psychological construct. The later developed Munich Chronotype Questionnaire (MCTQ) uses instead the actual sleep timing to assess chronotype. It calculates the mid-sleep point, halfway between onset and offset on work-free days (MSF), which is then corrected for potential oversleep on free days compensating for sleep debt accumulated over the workweek (MSFsc). MSF(sc)is expressed in local time and is thought to be a proxy for "phase of entrainment" of the circadian clock. The MCTQ-derived chronotype is therefore a biological construct. In the present report, we validate the Portuguese variant (MCTQ(PT)) of the MCTQ. Portugal is of particular interest, since it is thought to consist of especially late chronotypes. Methods We have used three methods to assess the timing of daily behavior, namely, thechronotype(MCTQ), thedaily preference(rMEQ), and asimple self-assessment(time-of-day type). A total of 80 healthy adults living in Portugal, with age and sex distributed according to the Portuguese population, were recruited. We analyzed 4 weeks of continuous records of actimetry data to validate the MCTQ(PT)and used the rMEQ to compare between abiological chronotype(sleep timing) and apsychological chronotype(daily preference). MCTQ variables were analyzed by descriptive statistics; correspondence between measurements was done by Spearman correlations or cross-tabulation; in a subset of 41 individuals, test-retest reliability was assessed. Results MCTQ-derived variables (MSF, MSW, MSFsc) correlated highly with their counterparts calculated from actimetry (MSW: rho = 0.697; MSF: rho = 0.747; MSFsc: rho = 0.646; allp< 0.001). The MCTQ assessment of the chronotype showed good test-retest reliability (rho = 0.905;p< 0.001). The rMEQ score correlates with MSFsc(rho = -0.695;p< 0.001), and the agreement for the self-assessment with the MSF(sc)was fair (kw= 0.386;p< 0.001). Conclusion The Portuguese variant of the MCTQ revealed to be a reliable questionnaire to assess the chronotype for the Portuguese adult population, as previously reported for other countries.
Accessibility: Document exists in file
Language:
eng
Author:
Reis, C.
Secondary author(s):
Madeira, S. G., Lopes, L. V., Paiva, T., Roenneberg, T.
Document type:
Article
Number of reproductions:
1
Percentiles:
6
Reference:
Reis, C., Madeira, S. G., Lopes, L. V., Paiva, T., & Roenneberg, T. (2020). Validation of the Portuguese Variant of the Munich Chronotype Questionnaire (MCTQ(PT)). Frontiers in Physiology, 11: 795. https://doi.org/10.3389/fphys.2020.00795
2-year Impact Factor: 4.566|2020
Times cited: 12|2024-02-13
Indexed document: Yes
Quartile: Q1
Keywords: Phase of entrainment / MCTQ / Actimetry / Chronotype / Validation

Validation of the Portuguese Variant of the Munich Chronotype Questionnaire (MCTQ(PT))

Validation of the Portuguese Variant of the Munich Chronotype Questionnaire (MCTQ(PT))
DocumentTransection of the superior sagittal sinus enables bilateral access to the rodent midline brain structures2021

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-2018
Location: BF-GMS
Title:
2018 Grants
Start date: 2019-01

Reference code: PT/FB/BL-2018-135
Location: BF-GMS
Title:
135 - The physiological role of circadian rhythms in memory
Duration: 2019-01 - 2023-01
Researcher(s):
Luísa Lopes, Miguel Remondes, Ana Morgado, Joana Coelho
Institution(s): Instituto de Medicina Molecular - João Lobo Antunes, Lisboa (Portugal)
Contents: Contents:
Application form
Correspondence
Research Funding Agreement
Progress report
Final report
Article
Language: eng
Author:
Lopes, L. V.
Secondary author(s):
Remondes, M., Morgado, A., Coelho, J.
Number of reproductions:
1
Keywords:
Psycophysiology / Cognition / Circadian / Memory

Reference code: PT/FB/BL-2018-135.03
Location: BF-GMS
Title:
Transection of the superior sagittal sinus enables bilateral access to the rodent midline brain structures
Publication year: 2021
URL:
https://www.eneuro.org/content/8/4/ENEURO.0146-21.2021
Abstract/Results: ABSTRACT:
Stereotaxic access to brain areas underneath the superior sagittal sinus (SSS) is notoriously challenging. As a major drainage vessel, covering the whole extension of the sagittal fissure, the SSS impedes direct bilateral access to underlying regions for recording and stimulation probes, drug-delivery cannulas, and injection devices. We now describe a new method for transection and retraction of the SSS in rats, that allows the accurate placement of microinjection devices, or chronic electrode probes, while avoiding hemorrhage and the ensuing deleterious consequences for local structures, animal health, and behavior. To demonstrate the feasibility of this approach we evaluated its consequences acutely during surgery, and thereafter during surgical survival, recovery, behavioral testing, as well as postmortem analysis of histologic impact in the related brain structures of male rats. This method provides a new approach enabling direct access for manipulation and recording of activity in brain areas previously obstructed by the SSS.
Accessibility: Document exists in file
Language:
eng
Author:
Dias, M.
Secondary author(s):
Marques-Morgado, I., Coelho, J. E., Ruivo, P., Lopes, L. V., Remondes, M.
Document type:
Article
Number of reproductions:
1
Percentiles:
7
Reference:
Dias, M., Marques-Morgado, I., Coelho, J. E., Ruivo, P., Lopes, L. V., & Remondes, M. (2021). Transection of the superior sagittal sinus enables bilateral access to the rodent midline brain structures. eNeuro, 8(4): 0146-21.2021. https://doi.org/10.1523/ENEURO.0146-21.2021
2-year Impact Factor: 4.363|2021
Times cited: 1|2024-02-14
Indexed document: Yes
Quartile: Q2
Keywords: Superior sagittal sinus / Surgery

Transection of the superior sagittal sinus enables bilateral access to the rodent midline brain structures

Transection of the superior sagittal sinus enables bilateral access to the rodent midline brain structures
DocumentFinal report - The physiological role of circadian rhythms in memory2023

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-2018
Location: BF-GMS
Title:
2018 Grants
Start date: 2019-01

Reference code: PT/FB/BL-2018-135
Location: BF-GMS
Title:
135 - The physiological role of circadian rhythms in memory
Duration: 2019-01 - 2023-01
Researcher(s):
Luísa Lopes, Miguel Remondes, Ana Morgado, Joana Coelho
Institution(s): Instituto de Medicina Molecular - João Lobo Antunes, Lisboa (Portugal)
Contents: Contents:
Application form
Correspondence
Research Funding Agreement
Progress report
Final report
Article
Language: eng
Author:
Lopes, L. V.
Secondary author(s):
Remondes, M., Morgado, A., Coelho, J.
Number of reproductions:
1
Keywords:
Psycophysiology / Cognition / Circadian / Memory

Reference code: PT/FB/BL-2018-135.01
Location: BF-GMS
Title:
Final report - The physiological role of circadian rhythms in memory
Publication year: 2023
Abstract/Results:
ABSTRACT:
BACKGROUND
Circadian disruption impacts on cognition as seen in shift-work and manipulation of sleep-wake cycles in humans and rats. However, the functional interactions between Suprachiasmatic Nucleus (SCN) and memory-related regions, such as the Hippocampus (HIPP), have never been defined.
AIMS
We aimed at characterizating the structural connectivity between the SCN and the hippocampus durinh a circadian shift protocol METHOD
Whole-brain functional connectivity was modeled by combining 14C-2-deoxyglucose functional imaging and PLS Regression (Dawson et al, 2014) on male rats (13 week-old) under a normal circadian cycle or after 4 cycles of repeated phase shifts and recovery sessions (Craig et al, 2008).
RESULTS
Upon analysis of 67 brain regions, we found alterations in the metabolic activity of SCN and the HIPP, Medial Entorhinal Cortex (MEC), Perirhinal Cortex and Dorsal Raphe´ (DR). We then modeled the relationship between the activity of these seed regions and the remainder regions measured. A total of 127 functional connectivity interactions were impacted by the circadian shift, particularly a hypofunction of the MEC and related projections, and a hyperconnection of the DR and associated pathways.
Moreover, the shifted animals displayed a reduced performance in the Novel Object Recognition and Pattern Separation Task, whereas the performances in the Morris Water Maze and the Y-maze were preserved.
Relevant anatomical projections were traced by resorting to transsynaptic antero- and retrograde viral vectors, between the SCN and the HIPP, that revealed the Septum as a putative hub of circadian information onto the HIPP.
CONCLUSIONS
Altogether, these connectivity patterns suggest that circadian disturbance may induce adaptive mechanisms to preserve cognitive performance upon circadian insult.
Accessibility: Document exists in file
Language:
eng
Author:
Lopes, L. V.
Secondary author(s):
Remondes, M., Morgado, I., Coelho, J.
Document type:
Final report
Number of reproductions:
1
Reference:
Lopes, L. V., Remondes, M., Morgado, I., & Coelho, J. (2023). Final report - The physiological role of circadian rhythms in memory.
Indexed document: No
Keywords: Circadian / Cognition / Memory

Final report - The physiological role of circadian rhythms in memory

Final report - The physiological role of circadian rhythms in memory