Cited by 147Visual perception and processing mechanismsVisual Attention and Saliency DetectionNeural dynamics and brain function

The DOI matches its Crossref record; 67 of the 68 references it cites were found in a registry or an index.

Modeling the Temporal Dynamics of IT Neurons in Visual Search: A Mechanism for Top-Down Selective Attention

Usher, Marius, Niebur, Ernst·1996·Journal of Cognitive Neuroscience

Abstract

We propose a neural model for object-oriented attention in which various visual stimuli (shapes, colors, letters, etc.) are represented by competing, mutually inhibitory, cell assemblies. The model's response to a sequence of cue and target stimuli mimics the neural responses in infero temporal (IT) visual cortex of monkeys performing a visual search task: enhanced response during the display of the stimulus, which decays but remains above a spontaneous rate after the cue disappears. When, subsequently, a display consisting of the target and several distractors is presented, the activity of all stimulus-driven cells is initially enhanced. After a short period of time, however, the activity of the cell assembly representing the cue stimulus is enhanced while the activity of the distractors decays because of mutual competition and a small top-down “expectational” input. The model fits the measured delayed activity in IT-cortex, recently reported by Chelazzi, Miller, Duncan, and Desimone (1993a), and we suggest that such a process, which is largely independent of the number of distractors, may be used by the visual system for selecting an expected target (appearing at an uncertain location) among distractors.

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Crossref · 10.1162/jocn.1996.8.4.311

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Citations

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Research works printed but not linked: 7

  1. 10.1088/0954-898X/2/3/002 · DOI
  2. 10.1088/0954-898X/2/3/003 · DOI
  3. 10.1037/0096-1523.11.5.583 · DOI
  4. Sireteanu R., 1994, Inuestigatiw Opbtbalmology and Visual Science, 35, 2080
  5. 10.1037/0096-1523.19.1.131 · DOI
  6. Vecera, 1994, General, 123, 146
  7. Wilson H., 1972, Riological Cybernetics, 12, 1

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Metadata

Authors
Usher, M., & Niebur, E.
Affiliations
  • Carnegie Mellon University (US)
  • California Institute of Technology (US)
Venue
Journal of Cognitive Neuroscience
Published
1996
Volume
8
Issue
4
Pages
311-327
ISSN
  • 0898-929X (ISSN-L)
  • 1530-8898
OpenAlex
W2099555952
Cited by
147
References
68
Citations by year
2025: 1 · 2024: 2 · 2023: 1 · 2022: 1 · 2021: 1 · 2020: 2 · 2019: 2 · 2018: 2 · 2017: 2 · 2016: 1 · 2014: 3 · 2013: 4 · 2012: 2
FWCI
2.83
Type
journal article
Language
en
Open access
closed
Locations
  • Journal of Cognitive Neuroscience (publishedVersion)
  • PubMed (publishedVersion)
  • CaltechAUTHORS (California Institute of Technology) (submittedVersion)
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 dynamics and brain function
Keywords
visual search, inferotemporal cortex, cell assemblies, reciprocal inhibition, distractor suppression, temporal dynamics of neural responses

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