Non-stimulated regions in early visual cortex encode the contents of conscious visual perception.
MVPA
bistable perception
fMRI
feedback processing
predictive coding
Journal
Human brain mapping
ISSN: 1097-0193
Titre abrégé: Hum Brain Mapp
Pays: United States
ID NLM: 9419065
Informations de publication
Date de publication:
03 2022
03 2022
Historique:
revised:
07
11
2021
received:
15
06
2021
accepted:
08
11
2021
pubmed:
5
12
2021
medline:
22
3
2022
entrez:
4
12
2021
Statut:
ppublish
Résumé
Predictions shape our perception. The theory of predictive processing poses that our brains make sense of incoming sensory input by generating predictions, which are sent back from higher to lower levels of the processing hierarchy. These predictions are based on our internal model of the world and enable inferences about the hidden causes of the sensory input data. It has been proposed that conscious perception corresponds to the currently most probable internal model of the world. Accordingly, predictions influencing conscious perception should be fed back from higher to lower levels of the processing hierarchy. Here, we used functional magnetic resonance imaging and multivoxel pattern analysis to show that non-stimulated regions of early visual areas contain information about the conscious perception of an ambiguous visual stimulus. These results indicate that early sensory cortices in the human brain receive predictive feedback signals that reflect the current contents of conscious perception.
Identifiants
pubmed: 34862702
doi: 10.1002/hbm.25731
pmc: PMC8837582
doi:
Types de publication
Journal Article
Research Support, Non-U.S. Gov't
Langues
eng
Sous-ensembles de citation
IM
Pagination
1394-1402Informations de copyright
© 2021 The Authors. Human Brain Mapping published by Wiley Periodicals LLC.
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