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Distinct ventral stream and prefrontal cortex representational dynamics during sustained conscious visual perception

Instances of sustained stationary sensory input are ubiquitous. However, previous work focused almost exclusively on transient onset responses. This presents a critical challenge for neural theories of consciousness, which should account for the full temporal extent of experience. To address this qu...

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Detalles Bibliográficos
Autores principales: Vishne, Gal, Gerber, Edden M., Knight, Robert T., Deouell, Leon Y.
Formato: Online Artículo Texto
Lenguaje:English
Publicado: 2023
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC10530642/
https://www.ncbi.nlm.nih.gov/pubmed/37422763
http://dx.doi.org/10.1016/j.celrep.2023.112752
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author Vishne, Gal
Gerber, Edden M.
Knight, Robert T.
Deouell, Leon Y.
author_facet Vishne, Gal
Gerber, Edden M.
Knight, Robert T.
Deouell, Leon Y.
author_sort Vishne, Gal
collection PubMed
description Instances of sustained stationary sensory input are ubiquitous. However, previous work focused almost exclusively on transient onset responses. This presents a critical challenge for neural theories of consciousness, which should account for the full temporal extent of experience. To address this question, we use intracranial recordings from ten human patients with epilepsy to view diverse images of multiple durations. We reveal that, in sensory regions, despite dramatic changes in activation magnitude, the distributed representation of categories and exemplars remains sustained and stable. In contrast, in frontoparietal regions, we find transient content representation at stimulus onset. Our results highlight the connection between the anatomical and temporal correlates of experience. To the extent perception is sustained, it may rely on sensory representations and to the extent perception is discrete, centered on perceptual updating, it may rely on frontoparietal representations.
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spelling pubmed-105306422023-09-27 Distinct ventral stream and prefrontal cortex representational dynamics during sustained conscious visual perception Vishne, Gal Gerber, Edden M. Knight, Robert T. Deouell, Leon Y. Cell Rep Article Instances of sustained stationary sensory input are ubiquitous. However, previous work focused almost exclusively on transient onset responses. This presents a critical challenge for neural theories of consciousness, which should account for the full temporal extent of experience. To address this question, we use intracranial recordings from ten human patients with epilepsy to view diverse images of multiple durations. We reveal that, in sensory regions, despite dramatic changes in activation magnitude, the distributed representation of categories and exemplars remains sustained and stable. In contrast, in frontoparietal regions, we find transient content representation at stimulus onset. Our results highlight the connection between the anatomical and temporal correlates of experience. To the extent perception is sustained, it may rely on sensory representations and to the extent perception is discrete, centered on perceptual updating, it may rely on frontoparietal representations. 2023-07-25 2023-07-07 /pmc/articles/PMC10530642/ /pubmed/37422763 http://dx.doi.org/10.1016/j.celrep.2023.112752 Text en https://creativecommons.org/licenses/by/4.0/This is an open access article under the CC BY license (http://creativecommons.org/licenses/by/4.0/ (https://creativecommons.org/licenses/by/4.0/) ).
spellingShingle Article
Vishne, Gal
Gerber, Edden M.
Knight, Robert T.
Deouell, Leon Y.
Distinct ventral stream and prefrontal cortex representational dynamics during sustained conscious visual perception
title Distinct ventral stream and prefrontal cortex representational dynamics during sustained conscious visual perception
title_full Distinct ventral stream and prefrontal cortex representational dynamics during sustained conscious visual perception
title_fullStr Distinct ventral stream and prefrontal cortex representational dynamics during sustained conscious visual perception
title_full_unstemmed Distinct ventral stream and prefrontal cortex representational dynamics during sustained conscious visual perception
title_short Distinct ventral stream and prefrontal cortex representational dynamics during sustained conscious visual perception
title_sort distinct ventral stream and prefrontal cortex representational dynamics during sustained conscious visual perception
topic Article
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC10530642/
https://www.ncbi.nlm.nih.gov/pubmed/37422763
http://dx.doi.org/10.1016/j.celrep.2023.112752
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