Causal roles of prefrontal cortex during spontaneous perceptual switching are determined by brain state dynamics

The prefrontal cortex (PFC) is thought to orchestrate cognitive dynamics. However, in tests of bistable visual perception, no direct evidence supporting such presumable causal roles of the PFC has been reported except for a recent work. Here, using a novel brain-state-dependent neural stimulation sy...

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Autor principal: Takamitsu Watanabe
Formato: article
Lenguaje:EN
Publicado: eLife Sciences Publications Ltd 2021
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Acceso en línea:https://doaj.org/article/a39b231d51314ef2930d54df5d4bc878
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spelling oai:doaj.org-article:a39b231d51314ef2930d54df5d4bc8782021-11-30T08:00:33ZCausal roles of prefrontal cortex during spontaneous perceptual switching are determined by brain state dynamics10.7554/eLife.690792050-084Xe69079https://doaj.org/article/a39b231d51314ef2930d54df5d4bc8782021-10-01T00:00:00Zhttps://elifesciences.org/articles/69079https://doaj.org/toc/2050-084XThe prefrontal cortex (PFC) is thought to orchestrate cognitive dynamics. However, in tests of bistable visual perception, no direct evidence supporting such presumable causal roles of the PFC has been reported except for a recent work. Here, using a novel brain-state-dependent neural stimulation system, we identified causal effects on percept dynamics in three PFC activities—right frontal eye fields, dorsolateral PFC (DLPFC), and inferior frontal cortex (IFC). The causality is behaviourally detectable only when we track brain state dynamics and modulate the PFC activity in brain-state-/state-history-dependent manners. The behavioural effects are underpinned by transient neural changes in the brain state dynamics, and such neural effects are quantitatively explainable by structural transformations of the hypothetical energy landscapes. Moreover, these findings indicate distinct functions of the three PFC areas: in particular, the DLPFC enhances the integration of two PFC-active brain states, whereas IFC promotes the functional segregation between them. This work resolves the controversy over the PFC roles in spontaneous perceptual switching and underlines brain state dynamics in fine investigations of brain-behaviour causality.Takamitsu WatanabeeLife Sciences Publications Ltdarticleenergy landscape analysisbistable perceptionEEGTMShumanMedicineRScienceQBiology (General)QH301-705.5ENeLife, Vol 10 (2021)
institution DOAJ
collection DOAJ
language EN
topic energy landscape analysis
bistable perception
EEG
TMS
human
Medicine
R
Science
Q
Biology (General)
QH301-705.5
spellingShingle energy landscape analysis
bistable perception
EEG
TMS
human
Medicine
R
Science
Q
Biology (General)
QH301-705.5
Takamitsu Watanabe
Causal roles of prefrontal cortex during spontaneous perceptual switching are determined by brain state dynamics
description The prefrontal cortex (PFC) is thought to orchestrate cognitive dynamics. However, in tests of bistable visual perception, no direct evidence supporting such presumable causal roles of the PFC has been reported except for a recent work. Here, using a novel brain-state-dependent neural stimulation system, we identified causal effects on percept dynamics in three PFC activities—right frontal eye fields, dorsolateral PFC (DLPFC), and inferior frontal cortex (IFC). The causality is behaviourally detectable only when we track brain state dynamics and modulate the PFC activity in brain-state-/state-history-dependent manners. The behavioural effects are underpinned by transient neural changes in the brain state dynamics, and such neural effects are quantitatively explainable by structural transformations of the hypothetical energy landscapes. Moreover, these findings indicate distinct functions of the three PFC areas: in particular, the DLPFC enhances the integration of two PFC-active brain states, whereas IFC promotes the functional segregation between them. This work resolves the controversy over the PFC roles in spontaneous perceptual switching and underlines brain state dynamics in fine investigations of brain-behaviour causality.
format article
author Takamitsu Watanabe
author_facet Takamitsu Watanabe
author_sort Takamitsu Watanabe
title Causal roles of prefrontal cortex during spontaneous perceptual switching are determined by brain state dynamics
title_short Causal roles of prefrontal cortex during spontaneous perceptual switching are determined by brain state dynamics
title_full Causal roles of prefrontal cortex during spontaneous perceptual switching are determined by brain state dynamics
title_fullStr Causal roles of prefrontal cortex during spontaneous perceptual switching are determined by brain state dynamics
title_full_unstemmed Causal roles of prefrontal cortex during spontaneous perceptual switching are determined by brain state dynamics
title_sort causal roles of prefrontal cortex during spontaneous perceptual switching are determined by brain state dynamics
publisher eLife Sciences Publications Ltd
publishDate 2021
url https://doaj.org/article/a39b231d51314ef2930d54df5d4bc878
work_keys_str_mv AT takamitsuwatanabe causalrolesofprefrontalcortexduringspontaneousperceptualswitchingaredeterminedbybrainstatedynamics
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