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DocumentReduced functional connectivity between cortical sources in five meditation traditions detected with lagged coherence using EEG tomography2012

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-2006
Location: Arquivo PCA - Pastas 1 a 22 /2006
Title:
2006 Grants
Start date: 2007-01 - 2013-11
Dimension/support:
22 caixas de arquivo

Reference code: PT/FB/BL-2006-044
Location: Arquivo PCA - Pasta 19/2006
Title:
044 - Brain electric activity in meditation: Extension of earlier work and hypothesis testing
Duration: 2007-10 - 2010-01
Researcher(s):
Dietrich Lehmann, Shisei Tei, Pascal Faber, Hiraoki Kumano, Lorena Gianotti, Roberto Pascual-Marqui
Institution(s): The KEY Institute for Brain-Mind Research, University Hospital of Psychiatry, Zurich (Switzerland)
Contents: Contents:
Bursary agreement
Application form
Correspondence
Financial report and expenditure documents
Progress report
Final report
8 Articles (published or submitted)
14 Posters
Language: eng
Author:
Lehmann, D.
Secondary author(s):
Tei, S., Faber, P., Kumano, H., Gianotti, L., Pascual-Marqui, R.
Number of reproductions:
1
Keywords:
Psychophysiology / Brain structure and function / Altered states of consciousness / Meditation

Reference code: PT/FB/BL-2006-044.05
Location: Arquivo PCA - Pasta 19/2006
Title:
Reduced functional connectivity between cortical sources in five meditation traditions detected with lagged coherence using EEG tomography
Publication year: 2012
URL:
http://www.sciencedirect.com/science/article/pii/S1053811912000596
Abstract/Results: ABSTRACT:
Brain functional states are established by functional connectivities between brain regions. In experienced meditators (13 Tibetan Buddhists, 15 QiGong, 14 Sahaja Yoga, 14 Ananda Marga Yoga, 15 Zen), 19-channel EEG was recorded before, during and after that meditation exercise which their respective tradition regards as route to the most desirable meditative state. The head surface EEG data were recomputed (sLORETA) into 19 cortical regional source model time series. All 171 functional connectivities between regions were computed as 'lagged coherence' for the eight EEG frequency bands (delta through gamma). This analysis removes ambiguities of localization, volume conduction-induced inflation of coherence, and reference-dependence. All significant differences (corrected for multiple testing) between meditation compared to no-task rest before and after meditation showed lower coherence during meditation, in all five traditions and eight (inhibitory as well as excitatory) frequency bands. Conventional coherence between the original head surface EEG time series very predominantly also showed reduced coherence during meditation. The topography of the functional connectivities was examined via PCA-based computation of principal connectivities. When going into and out of meditation, significantly different connectivities revealed clearly different topographies in the delta frequency band and minor differences in the beta-2 band. The globally reduced functional interdependence between brain regions in meditation suggests that interaction between the self process functions is minimized, and that constraints on the self process by other processes are minimized, thereby leading to the subjective experience of non-involvement, detachment and letting go, as well as of all-oneness and dissolution of ego borders during meditation.
Accessibility: Document does not exist in file
Language:
eng
Author:
Lehmann, D.
Secondary author(s):
Faber, P., Tei, S., Pascual-Marqui, R., Milz, P., Kochi, K.
Document type:
Article
Number of reproductions:
1
Reference:
Lehmann, D., Faber, P., Tei, S., Pascual-Marqui, R., Milz, P., & Kochi, K. (2012). Reduced functional connectivity between cortical sources in five meditation traditions detected with lagged coherence using EEG tomography. NeuroImage, 60(2), 1574-1586. https://doi.org/10.1016/j.neuroimage.2012.01.042
2-year Impact Factor: 6.252|2012
Times cited: 109|2025-02-10
Indexed document: Yes
Quartile: Q1
Keywords: Source model lagged cortical EEG coherence / LORETA / Five meditation traditions / Electroencephalogram (EEG) / Functional connectivity

Reduced functional connectivity between cortical sources in five meditation traditions detected with lagged coherence using EEG tomography

Reduced functional connectivity between cortical sources in five meditation traditions detected with lagged coherence using EEG tomography
DocumentScalp EEG connectivity and intracerebral electrical connectivity (sLORETA lagged coherence) during resting and five meditation traditions2009

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-2006
Location: Arquivo PCA - Pastas 1 a 22 /2006
Title:
2006 Grants
Start date: 2007-01 - 2013-11
Dimension/support:
22 caixas de arquivo

Reference code: PT/FB/BL-2006-044
Location: Arquivo PCA - Pasta 19/2006
Title:
044 - Brain electric activity in meditation: Extension of earlier work and hypothesis testing
Duration: 2007-10 - 2010-01
Researcher(s):
Dietrich Lehmann, Shisei Tei, Pascal Faber, Hiraoki Kumano, Lorena Gianotti, Roberto Pascual-Marqui
Institution(s): The KEY Institute for Brain-Mind Research, University Hospital of Psychiatry, Zurich (Switzerland)
Contents: Contents:
Bursary agreement
Application form
Correspondence
Financial report and expenditure documents
Progress report
Final report
8 Articles (published or submitted)
14 Posters
Language: eng
Author:
Lehmann, D.
Secondary author(s):
Tei, S., Faber, P., Kumano, H., Gianotti, L., Pascual-Marqui, R.
Number of reproductions:
1
Keywords:
Psychophysiology / Brain structure and function / Altered states of consciousness / Meditation

Reference code: PT/FB/BL-2006-044.09
Location: Arquivo PCA - Pasta 19/2006
Title:
Scalp EEG connectivity and intracerebral electrical connectivity (sLORETA lagged coherence) during resting and five meditation traditions
Publication year: 2009
URL:
http://www.med.uni-giessen.de/physio/Kognitive_Neurophysiologie_2009_2_1.pdf
Abstract/Results: ABSTRACT:
Brain electric functional connectivity was studied in experienced meditators of five traditions (13 Tibetan Buddhists ’TB’, 15 QiGong ’QG’, 14 Sahaja Yoga ’SY’, 14 Ananda Marga Yoga ’AY’, 15 Soto Zen ’Zen’) during tradition specific meditation (self-dissolution, QiGong, Samadhi, Satori) and during wakeful resting before (’rest1’) and after (’rest2’) meditation. EEG (19-56 electrodes) was computed (via sLORETA, current density in 6239 voxels) into intracerebral waveshapes of 19 intracerebral regions (ROIs) that correspond to cortex underlying the 10/20 electrode positions. Functional connectivity was computed from scalp-recorded data as conventional coherence between 19 locations, and from sLORETA waveshapes as ’lagged coherence’ between 19 ROI’s; lagged coherence only measures connections with time delay; these are interpretable as true functional connectivity. - For each meditator group, t tests identified significant coherence differences between rest1 vs meditation and rest2 vs meditation in each of 8 EEG frequency bands (delta to gamma). Between 19 locations or ROIs, there are 171 connections. For each subject and frequency band, the percentage of connections were counted that reached significant different coherence between rest1 vs meditation and rest2 vs meditation; from these two values, mean was computed, and averaged across all 8 bands for each tradition separately. For scalp coherences, in the 5 traditions, between 1% to 4% of the connections were significant higher in meditation than rest, between 6% to 36% lower; for intracerebral lagged coherence, 0% were higher, between 26% to 68% were lower. On average across the 5 traditions, scalp coherence decreased most strongly in alpha1&2 and beta1&2, while intracerebral lagged coherence decreased most strongly in delta, theta, beta1&2. For the gamma frequency band alone, scalp coherences were higher between 1% to 13%, lower between 1% to 27%; intracerebral lagged coherences were higher in 0%, lower between 2% to 75% of cases. In sum, all 5 traditions clearly showed more significant decreases than increases in scalp coherence, and only significant decreases, no increases in intracerebral lagged coherence that avoids distorting volume conduction. Contrary to published reports of strongly increased gamma band coherence in meditation, our 5 traditions on average in scalp coherence increased significantly only 4% of the gamma band coherences while 9% decreased; in intracerebral lagged coherence none increased but 44% decreased. (Partial support by Bial Grant No. 44 2006/2007).
Accessibility: Document exists in file (poster)
Copyright/Reproduction:
By permission
Language:
eng
Notes:
Abstract and respective poster in attachment
Author: Faber, P.
Secondary author(s):
Tei, S., Pascual-Marqui, R., Gianotti, L., Kumano, H., Kochi, K., Lehmann, D.
Document type:
Abstract
Number of reproductions:
1
Reference:
Faber, P., Tei, S., Pascual-Marqui, R., Gianotti, L., Kumano, H., Kochi, K., & Lehmann, D. (2009). Scalp EEG connectivity and intracerebral electrical connectivity (sLORETA lagged coherence) during resting and five meditation traditions. Kognitive Neurophysiologie des Menschen/ Human Cognitive Neurophysiology, 2(1), 8-9.
Indexed document: No
Keywords: Five meditation traditions / Resting / Meditation / sLORETA / Electroencephalogram (EEG) / Scalp EEG coherence

Scalp EEG connectivity and intracerebral electrical connectivity (sLORETA lagged coherence) during resting and five meditation traditions

Scalp EEG connectivity and intracerebral electrical connectivity (sLORETA lagged coherence) during resting and five meditation traditions
DocumentP 75 - Scalp EEG connectivity and intracerebral electrical connectivity (sLORETA-lagged coherence) during resting and meditation2008

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-2006
Location: Arquivo PCA - Pastas 1 a 22 /2006
Title:
2006 Grants
Start date: 2007-01 - 2013-11
Dimension/support:
22 caixas de arquivo

Reference code: PT/FB/BL-2006-044
Location: Arquivo PCA - Pasta 19/2006
Title:
044 - Brain electric activity in meditation: Extension of earlier work and hypothesis testing
Duration: 2007-10 - 2010-01
Researcher(s):
Dietrich Lehmann, Shisei Tei, Pascal Faber, Hiraoki Kumano, Lorena Gianotti, Roberto Pascual-Marqui
Institution(s): The KEY Institute for Brain-Mind Research, University Hospital of Psychiatry, Zurich (Switzerland)
Contents: Contents:
Bursary agreement
Application form
Correspondence
Financial report and expenditure documents
Progress report
Final report
8 Articles (published or submitted)
14 Posters
Language: eng
Author:
Lehmann, D.
Secondary author(s):
Tei, S., Faber, P., Kumano, H., Gianotti, L., Pascual-Marqui, R.
Number of reproductions:
1
Keywords:
Psychophysiology / Brain structure and function / Altered states of consciousness / Meditation

Reference code: PT/FB/BL-2006-044.13
Location: Arquivo PCA - Pasta 19/2006
Title:
P 75 - Scalp EEG connectivity and intracerebral electrical connectivity (sLORETA-lagged coherence) during resting and meditation
Publication year: 2008
URL:
http://www.sanp.ch/docs/2008/2008-07/2008-07-Mitteilungen.PDF
Abstract/Results: ABSTRACT:
In meditators of four traditions (13 Tibetan Buddhists TB, 15 QiGong QG, 14 Sahaja Yoga SY, 14 Ananda Marga Yoga AY) we studied brain electric functional connectivity during wakeful resting before (rest1) and after (rest2) tradition-specific meditation (self-dissolution, QiGong, Samadhi). 19-electrode EEG was recomputed via sLORETA current density (6239 voxels) into intracerebral waveshapes of 19 intracerebral regions (ROIs) corresponding to the cortex underlying the 10/20 electrode schematic. Functional connectivity was computed as conventional coherence (‘total coherence’) from the scalp-recorded data and as ‘lagged coherence’ from the sLORETA-based waveshapes (lagged coherence omits zero phase lag, thus only measuring connections with time delay; these are interpretable as true functional connectivity). For each meditator group t tests identified significant coherence differences between rest1 and rest2 versus meditation in each of 8 EEG frequency bands (delta to gamma). Between 19 electrodes (or ROIs) there are 171 connections; in each subject and frequency band all connections were counted that reached significant different coherence between rest1 and rest2 versus meditation. Summing significant cases in TB,QG, SY and AY across all 8 bands, using scalp coherences, in the four traditions between 0 and 3% of the connections were significantly higher in meditation than rest, between 6 and 16% lower; using intracerebral lagged coherence, 0% were higher, but between 26 and 61% were lower. On average across the four traditions,
scalp coherence decreased most strongly in alpha1 and 2 and beta1 and 2, while intracerebral-lagged coherence decreased most strongly in delta, theta and beta1 and 2. For the gamma frequency band alone scalp coherences were higher between 1 and 13%, lower between 1 and 6%; intracerebral-lagged coherences were higher in 0%,lower between 2 and 75% of cases. – Thus, all four traditions clearly showed more significant decreases than increases in scalp coherence, and only significant decreases, no increases in intracerebral-lagged coherence that avoids distorting volume conduction. Contrary to reports of strongly increased gamma coherence in meditation, averaged across our four traditions, in scalp coherence only 5% of the gamma band coherences significantly increased, 4% decreased, while in intracerebral-lagged coherence none increased but 38% decreased. (Bial Grant 44-2006/2007)
Accessibility: Document exists in file (poster)
Copyright/Reproduction:
By permission
Language:
eng
Notes:
Abstract and respective poster in attachment
Author: Faber, P.
Secondary author(s):
Tei, S., Pascual-Marqui, R., Gianotti, L., Kumano, H., Kochi, K., Lehmann, D.
Document type:
Abstract
Number of reproductions:
1
Reference:
Faber, P., Tei, S., Pascual-Marqui, R., Gianotti, L., Kumano, H., Kochi, K., & Lehmann, D. (2008). P 75 - Scalp EEG connectivity and intracerebral electrical connectivity (sLORETA-lagged coherence) during resting and meditation. Swiss Archives of Neurology and Psychiatry, 159(7), 466.
Indexed document: No
Keywords: Five meditation traditions / Meditation / Resting / Electroencephalogram (EEG) / sLORETA / Scalp EEG coherence

P 75 - Scalp EEG connectivity and intracerebral electrical connectivity (sLORETA-lagged coherence) during resting and meditation

P 75 - Scalp EEG connectivity and intracerebral electrical connectivity (sLORETA-lagged coherence) during resting and meditation
DocumentP02-348 - Dimensionality of multichannel EEG (Omega Complexity) during meditation in five traditions2011

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-2006
Location: Arquivo PCA - Pastas 1 a 22 /2006
Title:
2006 Grants
Start date: 2007-01 - 2013-11
Dimension/support:
22 caixas de arquivo

Reference code: PT/FB/BL-2006-044
Location: Arquivo PCA - Pasta 19/2006
Title:
044 - Brain electric activity in meditation: Extension of earlier work and hypothesis testing
Duration: 2007-10 - 2010-01
Researcher(s):
Dietrich Lehmann, Shisei Tei, Pascal Faber, Hiraoki Kumano, Lorena Gianotti, Roberto Pascual-Marqui
Institution(s): The KEY Institute for Brain-Mind Research, University Hospital of Psychiatry, Zurich (Switzerland)
Contents: Contents:
Bursary agreement
Application form
Correspondence
Financial report and expenditure documents
Progress report
Final report
8 Articles (published or submitted)
14 Posters
Language: eng
Author:
Lehmann, D.
Secondary author(s):
Tei, S., Faber, P., Kumano, H., Gianotti, L., Pascual-Marqui, R.
Number of reproductions:
1
Keywords:
Psychophysiology / Brain structure and function / Altered states of consciousness / Meditation

Reference code: PT/FB/BL-2006-044.22
Location: Arquivo PCA - Pasta 19/2006
Title:
P02-348 - Dimensionality of multichannel EEG (Omega Complexity) during meditation in five traditions
Publication year: 2011
URL:
http://www.sciencedirect.com/science/article/pii/S0924933811726499
Abstract/Results: ABSTRACT:
INTRODUCTION:
The measure of complex dimensionality assesses the number of independent processes that generate an observed time series.
OBJECTIVES:
To investigate whether meditation exercises are associated with fewer or more independently active brain processes, and whether different meditation traditions show different results.
AIMS:
Does brain electric complex dimensionality differ between the state of meditation and of task free resting in different meditation traditions?
METHODS:
Multichannel EEG recordings (19 to 25 channels) from experienced meditators of five meditation traditions (13 Tibetan Buddhists, 15 Qigong, 14 Shaja Yoga, 14 Ananda Marga Yoga, and 15 Zen) were analyzed (bandpass 1.5–30 Hz) using ‘Omega Complexity’ that obtains a single value for a set of simultaneously recorded EEG time series from a given person (J. Wackermann, Acta Neurobiol Exp (Wars) 1996;56:197–208). Omega Complexity during meditation was compared to the mean of Omega Complexity during pre- and post-meditation resting.
RESULTS:
During meditation relative to resting (paired t tests), Omega Complexity was higher in all five traditions, significant for Tibetan Buddhists (p = 0.01), Ananda Marga Yoga (p = 0.007) and Zen (p = 0.0003).
CONCLUSION:
The subjectively experienced agreeable feelings during meditation apparently occur, across meditation traditions, during a brain functional state that is characterized by an increase of independent brain processes compared to task free resting.
Accessibility: Document does not exist in file
Language:
eng
Author:
Faber, P.
Secondary author(s):
Lehmann, D., Milz, P., Tei, S., Kochi, K.
Document type:
Abstract
Number of reproductions:
1
Reference:
Faber, P., Lehmann, D., Milz, P., Tei, S., & Kochi, K. (2011). P02-348 - Dimensionality of multichannel EEG (Omega Complexity) during meditation in five traditions. European Psychiatry, 26(Suppl. 1), 944. https://doi.org/10.1016/S0924-9338(11)72649-9
Indexed document: Yes
Keywords: Meditation / Five meditation traditions / Omega complexity / Brain processes
DocumentsLORETA lagged functional connectivity is reduced during meditation2012

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-2006
Location: Arquivo PCA - Pastas 1 a 22 /2006
Title:
2006 Grants
Start date: 2007-01 - 2013-11
Dimension/support:
22 caixas de arquivo

Reference code: PT/FB/BL-2006-044
Location: Arquivo PCA - Pasta 19/2006
Title:
044 - Brain electric activity in meditation: Extension of earlier work and hypothesis testing
Duration: 2007-10 - 2010-01
Researcher(s):
Dietrich Lehmann, Shisei Tei, Pascal Faber, Hiraoki Kumano, Lorena Gianotti, Roberto Pascual-Marqui
Institution(s): The KEY Institute for Brain-Mind Research, University Hospital of Psychiatry, Zurich (Switzerland)
Contents: Contents:
Bursary agreement
Application form
Correspondence
Financial report and expenditure documents
Progress report
Final report
8 Articles (published or submitted)
14 Posters
Language: eng
Author:
Lehmann, D.
Secondary author(s):
Tei, S., Faber, P., Kumano, H., Gianotti, L., Pascual-Marqui, R.
Number of reproductions:
1
Keywords:
Psychophysiology / Brain structure and function / Altered states of consciousness / Meditation

Reference code: PT/FB/BL-2006-044.25
Location: Arquivo PCA - Pasta 19/2006
Title:
sLORETA lagged functional connectivity is reduced during meditation
Publication year: 2012
URL:
http://www.swissneuroscience.ch/Documents/Meetings/SSN_meetings/2012/Program_Book
Abstract/Results: ABSTRACT:
EEG functional connectivity reportedly increases during meditation. We tested this in 5 groups of experienced meditators (13 Tibetan Buddhists, 15 QiGong, 14 Sahaja Yoga, 14 Ananda Marga Yoga, 15 Zen). Conventional EEG functional connectivity computed as coherence between head-surface EEG signals suffers from (1) reference-dependence, (2) ambiguity of source localization, and (3) local overestimations due to volume conduction. Computing coherences from intracerebral model sources solves (1) and (2); lagged coherence solves problem (3). 19-channel EEG during meditation and pre- and post- rest was computed into 19 sLORETA source model time series. Between these, the 171 (19*18/2) possible lagged intracerebral coherences were computed for 8 EEG frequency bands (delta through gamma). Conventional coherence was computed between the 19 original head-surface EEG time series. PCA-based principal connectivities were computed to study the topography of intracerebral lagged coherence while going into and coming out of meditation. Paired t-tests revealed only lowered intracerebral lagged coherence during meditation compared to rests in all 5 groups and 8 frequency bands.
Conventional head-surface coherence was prominently lowered in meditation compared to rests. Different topographies of connectivity were found going into compared to coming out of meditation in delta and beta-2 frequencies. The remarkable observation of only decreased functional connectivity during meditation compared to rests, consistent across the 5 groups (computed as intracerebral lagged coherence) disagrees with previous reports of increases. We suggest that the global decrease of functional connectivity reflects decreased interactions between the subprocesses of the self function and reduced constraints on the self process by other processes, leading to subjective experiences during meditation such as noninvolvement,
detachment and letting go, as well as of all-oneness and dissolution of ego borders.
Accessibility: Document does not exist in file
Language:
eng
Author:
Lehmann, D.
Secondary author(s):
Faber, P., Tei, S., Pascual-Marqui, R., Milz, P., Kochi, K.
Document type:
Abstract book
Number of reproductions:
1
Reference:
Lehmann, D., Faber, P., Tei, S., Pascual-Marqui, R., Milz, P., & Kochi, K. (2012). sLORETA lagged functional connectivity is reduced during meditation. Program and Abstracts of the Annual Meeting of the Swiss Society for Neuroscience (SSN) Zurich, Switzerland (p. 73).
Indexed document: No
Keywords: Functional intracortical electrical connectivity / Meditation / Five meditation traditions

sLORETA lagged functional connectivity is reduced during meditation

sLORETA lagged functional connectivity is reduced during meditation