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File159 - Unraveling the neural mechanisms of human memory decisions with magnetoencephalography2017-052022-11

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-2016-159
Location: BF-GMS
Title:
159 - Unraveling the neural mechanisms of human memory decisions with magnetoencephalography
Duration: 2017-05 - 2022-11
Researcher(s):
Carlo Sestieri, Stefania Della Penna
Institution(s): Department of Neurosciences, Imaging and Clinical Sciences, University "G. D'Annunzio" of Chieti - Pescara (Italy
Contents: Contents:
Application form
Correspondence
Research Funding Agreement
Progress report
Final report
Articles
Author: Sestieri, C.
Secondary author(s):
Della Penna, S.
Number of reproductions:
1
Keywords:
Magnetoencephalography / Episodic memory / Decision evidence / Cortical dynamics / Psychophysiology
DocumentSpectral signature of attentional reorienting in the human brain2021

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-2016-159
Location: BF-GMS
Title:
159 - Unraveling the neural mechanisms of human memory decisions with magnetoencephalography
Duration: 2017-05 - 2022-11
Researcher(s):
Carlo Sestieri, Stefania Della Penna
Institution(s): Department of Neurosciences, Imaging and Clinical Sciences, University "G. D'Annunzio" of Chieti - Pescara (Italy
Contents: Contents:
Application form
Correspondence
Research Funding Agreement
Progress report
Final report
Articles
Author: Sestieri, C.
Secondary author(s):
Della Penna, S.
Number of reproductions:
1
Keywords:
Magnetoencephalography / Episodic memory / Decision evidence / Cortical dynamics / Psychophysiology

Reference code: PT/FB/BL-2016-159.02
Location: BF-GMS
Title:
Spectral signature of attentional reorienting in the human brain
Publication year: 2021
URL:
https://www.sciencedirect.com/science/article/pii/S1053811921008892
Abstract/Results: ABSTRACT:
As we move in the environment, attention shifts to novel objects of interest based on either their sensory salience or behavioral value (reorienting). This study measures with magnetoencephalography (MEG) different properties (amplitude, onset-to-peak duration) of event-related desynchronization/synchronization (ERD/ERS) of oscillatory activity during a visuospatial attention task designed to separate activity related to reorienting vs. maintaining attention to the same location, controlling for target detection and response processes. The oscillatory activity was measured both in fMRI-defined regions of interest (ROIs) of the dorsal attention (DAN) and visual (VIS) networks, previously defined as task-relevant in the same subjects, or whole-brain in a pre-defined set of cortical ROIs encompassing the main brain networks.
Reorienting attention (shift cues) as compared to maintaining attention (stay cues) produced a temporal sequence of ERD/ERS modulations at multiple frequencies in specific anatomical regions/networks. An early (~330 ms), stronger, transient theta ERS occurred in task-relevant (DAN, VIS) and control networks (VAN, CON, FPN), possibly reflecting an alert/reset signal in response to the cue. A more sustained, behaviorally relevant, low-beta band ERD peaking ~450 ms following shift cues (~410 for stay cues) localized in frontal and parietal regions of the DAN. This modulation is consistent with a control signal re-routing information across visual hemifields. Contralateral vs. ipsilateral shift cues produced in occipital visual regions a stronger, sustained alpha ERD (peak ~470 ms) and a longer, transient high beta/gamma ERS (peak ~490 ms) related to preparatory visual modulations in advance of target occurrence.
This is the first description of a cascade of oscillatory processes during attentional reorienting in specific anatomical regions and networks. Among these processes, a behaviorally relevant beta desynchronization in the FEF is likely associated with the control of attention shifts.
Accessibility: Document exists in file
Language:
eng
Author:
Spadone, S.
Secondary author(s):
Betti, V., Sestieri, C., Pizzella, V., Corbettam M., Della Penna, S.
Document type:
Article
Number of reproductions:
1
Percentiles:
6
Reference:
Spadone, S., Betti, V., Sestieri, C., Pizzella, V., Corbettam M., & Della Penna, S. (2021). Spectral signature of attentional reorienting in the human brain. NeuroImage, 244: 118616. https://doi.org/10.1016/j.neuroimage.2021.118616
2-year Impact Factor: 7.400|2020
Times cited: 8|2024-02-14
Indexed document: Yes
Quartile: Q1
Keywords: Attentional reorienting / Dorsal attention network / Beta rhythm / ERD/ERS / Magnetoencephalography / Visual network

Spectral signature of attentional reorienting in the human brain

Spectral signature of attentional reorienting in the human brain
DocumentAlpha rhythm modulations in the intraparietal sulcus reflect decision signals during item recognition2022

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-2016-159
Location: BF-GMS
Title:
159 - Unraveling the neural mechanisms of human memory decisions with magnetoencephalography
Duration: 2017-05 - 2022-11
Researcher(s):
Carlo Sestieri, Stefania Della Penna
Institution(s): Department of Neurosciences, Imaging and Clinical Sciences, University "G. D'Annunzio" of Chieti - Pescara (Italy
Contents: Contents:
Application form
Correspondence
Research Funding Agreement
Progress report
Final report
Articles
Author: Sestieri, C.
Secondary author(s):
Della Penna, S.
Number of reproductions:
1
Keywords:
Magnetoencephalography / Episodic memory / Decision evidence / Cortical dynamics / Psychophysiology

Reference code: PT/FB/BL-2016-159.03
Location: BF-GMS
Title:
Alpha rhythm modulations in the intraparietal sulcus reflect decision signals during item recognition
Publication year: 2022
URL:
https://www.sciencedirect.com/science/article/pii/S1053811922004645
Abstract/Results: Theoretical work and empirical observations suggest a contribution of regions along the intraparietal sulcus to the process of evidence accumulation during episodic memory retrieval. In the present study, we recorded magnetoencephalographic signals in a group of healthy human participants to test whether the pattern of oscillatory modulations in the lateral parietal lobe is consistent with the mnemonic accumulator hypothesis. To this aim, the dynamic properties and the spatial distribution of MEG oscillatory power modulations were investigated during an item recognition task in which the amount of evidence for old vs. new memory decisions was manipulated across three levels. A data-driven approach was employed to identify brain nodes where oscillatory activity was sensitive to both retrieval success and the amount of evidence for old decisions. The analysis identified three nodes in the left lateral parietal lobe where the event-related desynchronization (ERD) in the alpha frequency band showed both effects. Further analyses revealed that the alpha ERD in the intraparietal sulcus, but not in other parietal nodes: i. showed modulation of duration in response to the amount of evidence for both old and new decisions, ii. was behaviorally significant, and iii. more accurately tracked the subjective memory judgment rather than the objective memory status. The present findings provide support for a recent anatomical-functional model of the parietal involvement in episodic memory retrieval and suggest that the alpha ERD in the intraparietal sulcus might represent a neural signature of the evidence accumulation process during simple memory-based decisions.
Accessibility: Docuement exists in file
Copyright/Reproduction:
by permission
Language:
eng
Author:
Spadone, S.
Secondary author(s):
Tosoni, A., Penna, S., Sestieri, C.
Document type:
Article
Number of reproductions:
1
Percentiles:
6
Reference:
Spadone, S., Tosoni, A., Penna, S. & Sestieri, C. (2022). Alpha rhythm modulations in the intraparietal sulcus reflect decision signals during item recognition. NeuroImage, 258, 119375. https://doi.org/10.1016/j.neuroimage.2022.119345
2-year Impact Factor: 5.700|2022
Times cited: 2|2024-02-03
Indexed document: Yes
Quartile: Q1
Keywords: Episodic memory / Decision-making / MEG / Alpha rhythm / Parietal lobe

Alpha rhythm modulations in the intraparietal sulcus reflect decision signals during item recognition

Alpha rhythm modulations in the intraparietal sulcus reflect decision signals during item recognition
DocumentFinal report - Unraveling the neural mechanisms of human memory decisions with magnetoencephalography2019

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-2016-159
Location: BF-GMS
Title:
159 - Unraveling the neural mechanisms of human memory decisions with magnetoencephalography
Duration: 2017-05 - 2022-11
Researcher(s):
Carlo Sestieri, Stefania Della Penna
Institution(s): Department of Neurosciences, Imaging and Clinical Sciences, University "G. D'Annunzio" of Chieti - Pescara (Italy
Contents: Contents:
Application form
Correspondence
Research Funding Agreement
Progress report
Final report
Articles
Author: Sestieri, C.
Secondary author(s):
Della Penna, S.
Number of reproductions:
1
Keywords:
Magnetoencephalography / Episodic memory / Decision evidence / Cortical dynamics / Psychophysiology

Reference code: PT/FB/BL-2016-159.01
Location: BF-GMS
Title:
Final report - Unraveling the neural mechanisms of human memory decisions with magnetoencephalography
Publication year: 2019
Abstract/Results:
ABSTRACT:
Previous fMRI studies suggest that the retrieval-related activity observed in the left lateral intraparietal sulcus (IPS) might reflect a neural accumulator of evidence for memory-based decisions. In the present MEG study, we examined the dynamics of oscillatory activity in a set of previously defined cortical regions to identify potential markers of mnemonic evidence accumulation. Healthy human subjects (N=22) participated in a memory retrieval experiment that employed the manipulation of evidence for old/new decisions. Magnetic activity was estimated in six regions of interest (IPS, prefrontal cortex, caudate nuclei, bilaterally) derived from our previous fMRI study. We estimated several properties (peak amplitude, peak latency, duration, rising and falling speed) of event-related synchronization/desynchronization (ERS/ERD) in six oscillatory bands (d, ?, a, low-ß, low-?, high-?). A 3-way repeated measures ANOVA with region, memory status and evidence as factors was conducted on each property/band. The analysis revealed a significant main effect of memory status on the duration [p=0.044] and peak amplitude [p=0.013] of the alpha ERD. Since we observed a main effect of the region on several properties of the alpha ERD, we next directly tested whether the amount of decision evidence affected the oscillatory dynamics in left IPS. A main effect of evidence was observed on alpha ERD duration [p=0.042] and, crucially, on the ERD falling speed [p=0.050], meaning that the higher the evidence, the faster the ERD reached its peak. These findings are highly consistent with a mnemonic accumulator, as hypothesized by decision-making accounts of parietal activity during memory retrieval.
Accessibility: Document exists in file
Language:
eng
Author:
Sestieri, C.
Secondary author(s):
Della Penna, S.
Document type:
Final report
Number of reproductions:
1
Indexed document:
No
Keywords: Magnetoencephalography / Episodic memory / Decision evidence / Cortical dynamics

Final report - Unraveling the neural mechanisms of human memory decisions with magnetoencephalography

Final report - Unraveling the neural mechanisms of human memory decisions with magnetoencephalography