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Cited by 278Visual perception and processing mechanismsVisual Attention and Saliency DetectionMultisensory perception and integration

Responses in area V4 depend on the spatial relationship between stimulus and attention

Connor, C. E., Gallant, J. L., Preddie, D. C., Van Essen, D. C.·1996·Journal of Neurophysiology
DOI 10.1152/jn.1996.75.3.1306
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Abstract

1. We studied the spatial interaction between stimulus and attention in macaque area V4. Monkeys were required to fixate a small spot while continuously attending to a ring-shaped target within a large array of identical rings. Meanwhile, the response of the V4 cell under study was tested by flashing behaviorally irrelevant bar stimuli in the cell's classical receptive field (CRF). The location of the attended ring was varied across four positions surrounding the CRF, and the location of the bar stimulus was varied across five positions spanning the CRF. 2. Response strength depended on two aspects of the spatial relationship between the stimulus driving the cell (the bar) and the position of attention (the target ring). First, for 49% of the cells studied, responses were greater for bar stimuli near the attended ring; i.e., the receptive field profile shifted toward the attentional focus. Second, for 84% of the cells, the overall response level depended on the direction in which attention lay relative to the stimulus in the CRF (e.g., to the left, right, above, or below). 3. This study confirms a key prediction of spatial models of attention, which postulate enhanced processing of all stimuli near the attentional focus. It also introduces the novel finding that responses are influenced by the relative direction of attention. This result indicates that area V4 carries information about the spatial relationship between visual stimuli and attention.

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  • In non-human primate visual system, visual spatial attention within the receptive field of a recorded neuron enhances both contrast gain and response gain.

    “Attentional modulation of neural gain has been particularly well studied in the non-human primate visual system1,42,43, in which visual spatial attention within the receptive field of a recorded neuron enhances both contrast gain (that is, scaling of that neuron’s stimulus-response relationship along the contrast axis)43 and response gain (that is, multiplicative transformation of responses to all”

    From Mechanisms underlying gain modulation in the cortex (2020) · cites this paper as [44]

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Authors
Connor, C. E., Gallant, J. L., Preddie, D. C., & Van Essen, D. C.
Affiliations
  • Washington University in St. Louis (US)
  • Department of Anatomy and Neurobiology, Washington University Schoolof Medicine, St. Louis, Missouri 63110, USA.
ORCID
Venue
Journal of Neurophysiology
Publisher
American Physiological Society
Published
1996-03-01
Volume
75
Issue
3
Pages
1306-1308
ISSN
  • 0022-3077 (ISSN-L)
  • 1522-1598
DOI
10.1152/jn.1996.75.3.1306
OpenAlex
W1872704164
Cited by
278
References
10
Citations by year
2026: 3 · 2025: 10 · 2024: 3 · 2023: 4 · 2022: 3 · 2021: 4 · 2020: 7 · 2019: 3 · 2018: 4 · 2017: 6 · 2016: 13 · 2015: 7 · 2014: 7 · 2013: 4 · 2012: 7
FWCI
10.37
Type
journal article
Language
en
Open access
closed
Locations
  • Journal of Neurophysiology (publishedVersion)
  • PubMed (publishedVersion)
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
  • Social Sciences › Psychology › Experimental and Cognitive Psychology › Multisensory perception and integration
Keywords
area V4, visual attention, spatial attention, receptive fields, attentional modulation, macaque visual cortex, classical receptive field
MeSH terms
Animals, Attention, Behavior, Animal, Cell Count, Macaca, Visual Cortex

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