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File138 - The neural signatures of leadership: Two-brain directed synchronization during eye contact2019-072023-09

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-2018-138
Location: BF-GMS
Title:
138 - The neural signatures of leadership: Two-brain directed synchronization during eye contact
Duration: 2019-07 - 2023-09
Researcher(s):
Caroline Di Bernardi Luft, Isabelle Mareschal
Institution(s): School of Biological and Chemical Sciences, Queen Mary University of London (UK)
Contents: Contents:
Application form
Correspondence
Research Funding Agreement
Progress report
Final report
Article
Language: eng
Author:
Luft, C. D. B.
Secondary author(s):
Mareschal, I.
Number of reproductions:
1
Keywords:
Brain-to-brain synchronization / Electroencephalogram (EEG) / Hyperscanning / Eye-tracking / Psychophysiology

DocumentAuditory but not audiovisual cues lead to higher neural sensitivity to the statistical regularities of an unfamiliar musical style2020

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-2018-138
Location: BF-GMS
Title:
138 - The neural signatures of leadership: Two-brain directed synchronization during eye contact
Duration: 2019-07 - 2023-09
Researcher(s):
Caroline Di Bernardi Luft, Isabelle Mareschal
Institution(s): School of Biological and Chemical Sciences, Queen Mary University of London (UK)
Contents: Contents:
Application form
Correspondence
Research Funding Agreement
Progress report
Final report
Article
Language: eng
Author:
Luft, C. D. B.
Secondary author(s):
Mareschal, I.
Number of reproductions:
1
Keywords:
Brain-to-brain synchronization / Electroencephalogram (EEG) / Hyperscanning / Eye-tracking / Psychophysiology

Reference code: PT/FB/BL-2018-138.02
Location: BF-GMS
Title:
Auditory but not audiovisual cues lead to higher neural sensitivity to the statistical regularities of an unfamiliar musical style
Publication year: 2020
URL:
https://direct.mit.edu/jocn/article/32/12/2241/95499/Auditory-but-Not-Audiovisual-Cues-Lead-to-Higher
Abstract/Results: ABSTRACT:
It is still a matter of debate whether visual aids improve learning of music. In a multisession study, we investigated the neural signatures of novel music sequence learning with or without aids (auditory-only: AO, audiovisual: AV). During three training sessions on three separate days, participants (nonmusicians) reproduced (note by note on a keyboard) melodic sequences generated by an artificial musical grammar. The AV group (n = 20) had each note color-coded on screen, whereas the AO group (n = 20) had no color indication. We evaluated learning of the statistical regularities of the novel music grammar before and after training by presenting melodies ending on correct or incorrect notes and by asking participants to judge the correctness and surprisal of the final note, while EEG was recorded. We found that participants successfully learned the new grammar. Although the AV group, as compared to the AO group, reproduced longer sequences during training, there was no significant difference in learning between groups. At the neural level, after training, the AO group showed a larger N100 response to low-probability compared with high-probability notes, suggesting an increased neural sensitivity to statistical properties of the grammar; this effect was not observed in the AV group. Our findings indicate that visual aids might improve sequence reproduction while not necessarily promoting better learning, indicating a potential dissociation between sequence reproduction and learning. We suggest that the difficulty induced by auditory-only input during music training might enhance cognitive engagement, thereby improving neural sensitivity to the underlying statistical properties of the learned material.
Accessibility: Document exists in file
Language:
eng
Author:
Zioga, I.
Secondary author(s):
Harrison, P. M. C., Pearce, M. T., Bhattacharya, J., Luft, C. D. B.
Document type:
Article
Number of reproductions:
1
Percentiles:
7
Reference:
Zioga, I., Harrison, P. M. C., Pearce, M. T., Bhattacharya, J., & Luft, C. D. B. (2020). Auditory but not audiovisual cues lead to higher neural sensitivity to the statistical regularities of an unfamiliar musical style. Journal of Cognitive Neuroscience, 32(12), 2241-2259. https://doi.org/10.1162/jocn_a_01614
2-year Impact Factor: 3.225|2020
Times cited: 2|2024-02-13
Indexed document: Yes
Quartile: Q2
Keywords: Multisensory integration / Expectancy violations / Emotional responses / Working memory / Non-musicians

Auditory but not audiovisual cues lead to higher neural sensitivity to the statistical regularities of an unfamiliar musical style

Auditory but not audiovisual cues lead to higher neural sensitivity to the statistical regularities of an unfamiliar musical style

DocumentSocial synchronization of brain activity increases during eye-contact2022

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-2018-138
Location: BF-GMS
Title:
138 - The neural signatures of leadership: Two-brain directed synchronization during eye contact
Duration: 2019-07 - 2023-09
Researcher(s):
Caroline Di Bernardi Luft, Isabelle Mareschal
Institution(s): School of Biological and Chemical Sciences, Queen Mary University of London (UK)
Contents: Contents:
Application form
Correspondence
Research Funding Agreement
Progress report
Final report
Article
Language: eng
Author:
Luft, C. D. B.
Secondary author(s):
Mareschal, I.
Number of reproductions:
1
Keywords:
Brain-to-brain synchronization / Electroencephalogram (EEG) / Hyperscanning / Eye-tracking / Psychophysiology

Reference code: PT/FB/BL-2018-138.03
Location: BF-GMS
Title:
Social synchronization of brain activity increases during eye-contact
Publication year: 2022
URL:
https://www.nature.com/articles/s42003-022-03352-6
Abstract/Results: Humans make eye-contact to extract information about other people’s mental states, recruiting dedicated brain networks that process information about the self and others. Recent studies show that eye-contact increases the synchronization between two brains but do not consider its effects on activity within single brains. Here we investigate how eye-contact affects the frequency and direction of the synchronization within and between two brains and the corresponding network characteristics. We also evaluate the functional relevance of eye-contact networks by comparing inter- and intra-brain networks of friends vs. strangers and the direction of synchronization between leaders and followers. We show that eye-contact increases higher inter- and intra-brain synchronization in the gamma frequency band. Network analysis reveals that some brain areas serve as hubs linking within- and between-brain networks. During eye-contact, friends show higher inter-brain synchronization than strangers. Dyads with clear leader/follower roles demonstrate higher synchronization from leader to follower in the alpha frequency band. Importantly, eye-contact affects synchronization between brains more than within brains, demonstrating that eye-contact is an inherently social signal. Future work should elucidate the causal mechanisms behind eye-contact induced synchronization.
Accessibility: Document exists in file
Language:
eng
Author:
Luft, C. D. B.
Secondary author(s):
Zioga, I., Giannopoulos, A., Di Bona, G., Binetti, N., Civilini, A., Latora, V., Mareschal, I.
Document type:
Article
Number of reproductions:
1
Percentiles:
5
Reference:
Luft, C. D. B., Zioga, I., Giannopoulos, A., Di Bona, G., Binetti, N., Civilini, A., Latora, V. & Mareschal, I. (2022). Social synchronization of brain activity increases during eye-contact. Communications Biology, 5, 412. https://doi.org/10.1038/s42003-022-03352-6
2-year Impact Factor: 5.900|2022
Times cited: 6|2024-02-12
Indexed document: Yes
Quartile: Q1
Keywords: Eye-contact / Brain activity / Social syncchronization

Social synchronization of brain activity increases during eye-contact

Social synchronization of brain activity increases during eye-contact

DocumentUnravelling brain connectivity patterns in body dysmorphic disorder during decision-making on visual illusions: A graph theoretical approach2023

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-2018-138
Location: BF-GMS
Title:
138 - The neural signatures of leadership: Two-brain directed synchronization during eye contact
Duration: 2019-07 - 2023-09
Researcher(s):
Caroline Di Bernardi Luft, Isabelle Mareschal
Institution(s): School of Biological and Chemical Sciences, Queen Mary University of London (UK)
Contents: Contents:
Application form
Correspondence
Research Funding Agreement
Progress report
Final report
Article
Language: eng
Author:
Luft, C. D. B.
Secondary author(s):
Mareschal, I.
Number of reproductions:
1
Keywords:
Brain-to-brain synchronization / Electroencephalogram (EEG) / Hyperscanning / Eye-tracking / Psychophysiology

Reference code: PT/FB/BL-2018-138.04
Location: BF-GMS
Title:
Unravelling brain connectivity patterns in body dysmorphic disorder during decision-making on visual illusions: A graph theoretical approach
Publication year: 2023
URL:
https://www.sciencedirect.com/science/article/pii/S0165178123002068
Abstract/Results: ABSTRACT:
Body dysmorphic disorder (BDD) is characterized by an excessive preoccupation with perceived defects in physical appearance, and is associated with compulsive checking. Visual illusions are illusory or distorted subjective perceptions of visual stimuli, which are induced by specific visual cues or contexts. While previous research has investigated visual processing in BDD, the decision-making processes involved in visual illusion processing remain unknown. The current study addressed this gap by investigating the brain connectivity patterns of BDD patients during decision-making about visual illusions. Thirty-six adults - 18 BDD (9 female) and 18 healthy controls (10 female) - viewed 39 visual illusions while their EEG was recorded. For each image, participants were asked to indicate (1) whether they perceived the illusory features of the images; and (2) their degree of confidence in their response. Our results did not uncover group-level differences in susceptibility to visual illusions, supporting the idea that higher-order differences, as opposed to lower-level visual impairments, can account for the visual processing differences that have previously been reported in BDD. However, the BDD group had lower confidence ratings when they reported illusory percepts, reflecting increased feelings of doubt. At the neural level, individuals with BDD showed greater theta band connectivity while making decisions about the visual illusions, likely reflecting higher intolerance to uncertainty and thus increased performance monitoring. Finally, control participants showed increased left-to-right and front-to-back directed connectivity in the alpha band, which may suggest more efficient top-down modulation of sensory areas in control participants compared to individuals with BDD. Overall, our findings are consistent with the idea that higher-order disruptions in BDD are associated with increased performance monitoring during decision-making, which may be related to constant mental rechecking of responses.
Accessibility: Document exists in file
Language:
eng
Author:
Giannopoulos, A. E.
Secondary author(s):
Zioga, I., Luft, C. D. B., Papageorgiou, P., Papageorgiou, G. N., Kapsali, F., Kontoangelos, K., Capsalis, C. N., Papageorgiou, C.
Document type:
Article
Number of reproductions:
1
Percentiles:
7
Reference:
Giannopoulos, A. E., Zioga, I., Luft, C. D. B., Papageorgiou, P., Papageorgiou, G. N., Kapsali, F., Kontoangelos, K., Capsalis, C. N., & Papageorgiou, C. (2023). Unravelling brain connectivity patterns in body dysmorphic disorder during decision-making on visual illusions: A graph theoretical approach. Psychiatry Research, 325, 115256. https://doi.org/10.1016/j.psychres.2023.115256
2-year Impact Factor: 11.300|2022
Impact factor notes: Impact factor not available yet for 2023
Times cited: 0|2024-02-16
Indexed document: Yes
Quartile: Q1
Keywords: Electroencephalogram (EEG) / Body dysmorphic disorder / Visual illusions / Graph theory / Decision-making / Connectivity

DocumentFinal report - The neural signatures of leadership: Two-brain directed synchronization during eye contact2023

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-2018-138
Location: BF-GMS
Title:
138 - The neural signatures of leadership: Two-brain directed synchronization during eye contact
Duration: 2019-07 - 2023-09
Researcher(s):
Caroline Di Bernardi Luft, Isabelle Mareschal
Institution(s): School of Biological and Chemical Sciences, Queen Mary University of London (UK)
Contents: Contents:
Application form
Correspondence
Research Funding Agreement
Progress report
Final report
Article
Language: eng
Author:
Luft, C. D. B.
Secondary author(s):
Mareschal, I.
Number of reproductions:
1
Keywords:
Brain-to-brain synchronization / Electroencephalogram (EEG) / Hyperscanning / Eye-tracking / Psychophysiology

Reference code: PT/FB/BL-2018-138.01
Location: BF-GMS
Title:
Final report - The neural signatures of leadership: Two-brain directed synchronization during eye contact
Publication year: 2023
Abstract/Results:
ABSTRACT:
Background
When people interact, their behaviours synchronise. Intriguingly, hyperscanning studies have shown that brain activity synchronizes too. People have shown higher interbrain synchronization during eye-contact, suggesting that non-verbal communication might rely on subtle synchronization processes. We examined the processes underlying brain synchronization during eye-contact in a dual EEG and eye-tracking task where a leader usually emerges.
Aims
1. Analyse interbrain synchronization during eye-contact; 2. Evaluate whether the direction and strength of synchronization can predict leadership; 3. Investigate how interpersonal relationship affects interbrain synchronization and its association with leadership.
Method
We measured interbrain synchronization (EEG) during a two-person time reproduction task where participants were asked to reproduce the duration of an auditory tone by making eye-contact for the duration of the tone. We quantified interbrain synchronization using bi-directional (ciPLV) and directed (PSI) phase synchronization measures in the main frequency bands. We applied network measures to quantify the network characteristics and compare them between friends and strangers, leaders and followers.
Results & Conclusions
We found that eye-contact increases inter and intrabrain synchronization in the gamma frequency band. Network analysis revealed that some brain areas serve as hubs linking withinand between-brain networks. Friends showed higher interbrain synchronization than strangers. Dyads with clear leader/follower roles demonstrated increased synchronization from leader to follower. We observed that eye-contact affects synchronization between brains more than within brains, suggesting that eye-contact is an inherently social signal.
Accessibility: Document exists in file
Language:
eng
Author:
Luft, C. D. B.
Document type:
Final report
Number of reproductions:
1
Reference:
Luft, C. D. B. (2023). Final report - The neural signatures of leadership: Two-brain directed synchronization during eye contact.
Indexed document: No
Keywords: Hyperscanning / Electroencephalogram (EEG) / Interbrain synchronization / Eye-contact / Eye-tracking

Final report - The neural signatures of leadership: Two-brain directed synchronization during eye contact

Final report - The neural signatures of leadership: Two-brain directed synchronization during eye contact