Information parity increases on functional brain networks under influence of a psychedelic substance

dc.creatorViol, Aline
dc.creatorMohan, Madras Viswanathan Gandhi
dc.creatorSoldatkina, Oleksandra
dc.creatorFontes, Fernanda Palhano Xavier de
dc.creatorVentura, Heloisa Helena dos Santos Onias
dc.creatorAraujo, Draulio Barros de
dc.creatorHövel, Philipp
dc.date2023-04-25T19:08:55Z
dc.date2023-04-25T19:08:55Z
dc.date2023-03
dc.date.accessioned2023-09-04T12:34:47Z
dc.date.available2023-09-04T12:34:47Z
dc.identifierVIOL, Aline; VISWANATHAN, Gandhimohan M; SOLDATKINA, Oleksandra; PALHANO-FONTES, Fernanda; ONIAS, Heloisa; ARAUJO, Draulio de; HÖVEL, Philipp. Information parity increases on functional brain networks under influence of a psychedelic substance. Journal of Physics: Complexity, [S. l.], v. 4, n. 1, p. 01LT2, 1 mar. 2023. Doi: http://dx.doi.org/10.1088/2632-072x/acc22b. Disponível em: https://iopscience.iop.org/article/10.1088/2632-072X/acc22b. Acesso em: 25 abr. 2023.
dc.identifierhttps://repositorio.ufrn.br/handle/123456789/52228
dc.identifier10.1088/2632-072x/acc22b
dc.identifier.urihttps://repositorioslatinoamericanos.uchile.cl/handle/2250/8601306
dc.descriptionThe physical basis of consciousness is one of the most intriguing open questions that contemporary science aims to solve. By approaching the brain as an interactive information system, complex network theory has greatly contributed to understand brain process in different states of mind. We study a non-ordinary state of mind by comparing resting-state functional brain networks of individuals in two different conditions: before and after the ingestion of the psychedelic brew Ayahuasca. In order to quantify the functional, statistical symmetries between brain region connectivity, we calculate the pairwise information parity of the functional brain networks. Unlike the usual approach to quantitative network analysis that considers only local or global scales, information parity instead quantifies pairwise statistical similarities over the entire network structure. We find an increase in the average information parity on brain networks of individuals under psychedelic influences. Notably, the information parity between regions from the limbic system and frontal cortex is consistently higher for all the individuals while under the psychedelic influence. These findings suggest that the resemblance of statistical influences between pair of brain regions activities tends to increase under Ayahuasca effects. This could be interpreted as a mechanism to maintain the network functional resilience
dc.formatapplication/pdf
dc.languageen
dc.publisherIOP Publishing
dc.rightsAtribuição 3.0 Brasil
dc.rightshttp://creativecommons.org/licenses/by/3.0/br/
dc.rightsLOCKSS system has permission to collect, preserve, and serve this Archival Unit
dc.subjectComplex networks
dc.subjectInformation parity
dc.subjectPsychedelics
dc.subjectMagnetic Resonance Imaging
dc.subjectfMRI
dc.subjectAyahuasca
dc.subjectHuman brain networks
dc.subjectNeural correlates
dc.titleInformation parity increases on functional brain networks under influence of a psychedelic substance
dc.typearticle


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