Cited by 351Visual perception and processing mechanismsVisual Attention and Saliency DetectionNeural and Behavioral Psychology Studies

Attention during natural vision warps semantic representation across the human brain

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Çukur, Tolga, Nishimoto, Shinji, Huth, Alexander G, Gallant, Jack L·2013·Nature Neuroscience

Abstract

Little is known about how attention changes the cortical representation of sensory information in humans. On the basis of neurophysiological evidence, we hypothesized that attention causes tuning changes to expand the representation of attended stimuli at the cost of unattended stimuli. To investigate this issue, we used functional magnetic resonance imaging to measure how semantic representation changed during visual search for different object categories in natural movies. We found that many voxels across occipito-temporal and fronto-parietal cortex shifted their tuning toward the attended category. These tuning shifts expanded the representation of the attended category and of semantically related, but unattended, categories, and compressed the representation of categories that were semantically dissimilar to the target. Attentional warping of semantic representation occurred even when the attended category was not present in the movie; thus, the effect was not a target-detection artifact. These results suggest that attention dynamically alters visual representation to optimize processing of behaviorally relevant objects during natural vision.

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  • Frontoparietal regions create flexible stimulus representations that are in line with behavioral goals.

    “Together, these results suggest complementary roles for early visual cortex and frontoparietal regions [30][31][32], whereby frontoparietal regions create flexible stimulus representations that are in line with behavioral goals [3,33].”

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Authors
Çukur, T., Nishimoto, S., Huth, A. G., & Gallant, J. L.
Affiliations
  • University of California, Berkeley (US)
  • Center for Information and Neural Networks (JP)
Corresponding author
Gallant, Jack L
Venue
Nature Neuroscience
Published
2013-04-21
Volume
16
Issue
6
Pages
763-770
ISSN
  • 1097-6256 (ISSN-L)
  • 1546-1726
OpenAlex
W2008193883
Cited by
351
References
30
Citations by year
2026: 22 · 2025: 24 · 2024: 21 · 2023: 26 · 2022: 23 · 2021: 27 · 2020: 27 · 2019: 21 · 2018: 38 · 2017: 34 · 2016: 29 · 2015: 32 · 2014: 17 · 2013: 8
FWCI
15.72
Type
journal article
Language
en
Open access
Locations
  • Nature Neuroscience (publishedVersion)
  • PubMed (publishedVersion)
  • Europe PMC (PubMed Central) (acceptedVersion)
  • PubMed Central (acceptedVersion)
  • eScholarship (California Digital Library) (submittedVersion)
Funders
  • National Science Foundation
  • Ögonfonden
  • National Institutes of Health (5r01ey019684-08)
  • National Eye Institute (R01-EY019684, R01EY022454, EY022454, EY019684)
Topics
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Visual perception and processing mechanisms
  • Physical Sciences › Computer Science › Computer Vision and Pattern Recognition › Visual Attention and Saliency Detection
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Neural and Behavioral Psychology Studies
Keywords
visual attention, semantic representation, naturalistic video stimuli, visual search, semantic relatedness, occipitotemporal cortex, frontoparietal cortex
MeSH terms
Adult, Attention, Brain Mapping, Cerebral Cortex, Concept Formation, Humans, Magnetic Resonance Imaging, Male, Motion Pictures, Neuropsychological Tests, Semantics, Visual Perception

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