Trial-by-trial predictions of subjective time from human brain activity.
Journal
PLoS computational biology
ISSN: 1553-7358
Titre abrégé: PLoS Comput Biol
Pays: United States
ID NLM: 101238922
Informations de publication
Date de publication:
07 2022
07 2022
Historique:
received:
24
11
2021
accepted:
17
05
2022
entrez:
7
7
2022
pubmed:
8
7
2022
medline:
12
7
2022
Statut:
epublish
Résumé
Human experience of time exhibits systematic, context-dependent deviations from clock time; for example, time is experienced differently at work than on holiday. Here we test the proposal that differences from clock time in subjective experience of time arise because time estimates are constructed by accumulating the same quantity that guides perception: salient events. Healthy human participants watched naturalistic, silent videos of up to 24 seconds in duration and estimated their duration while fMRI was acquired. We were able to reconstruct trial-by-trial biases in participants' duration reports, which reflect subjective experience of duration, purely from salient events in their visual cortex BOLD activity. By contrast, salient events in neither of two control regions-auditory and somatosensory cortex-were predictive of duration biases. These results held despite being able to (trivially) predict clock time from all three brain areas. Our results reveal that the information arising during perceptual processing of a dynamic environment provides a sufficient basis for reconstructing human subjective time duration.
Identifiants
pubmed: 35797365
doi: 10.1371/journal.pcbi.1010223
pii: PCOMPBIOL-D-21-02117
pmc: PMC9262235
doi:
Types de publication
Journal Article
Research Support, Non-U.S. Gov't
Langues
eng
Sous-ensembles de citation
IM
Pagination
e1010223Déclaration de conflit d'intérêts
The authors have declared that no competing interests exist.
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