Cited by 950Neural and Behavioral Psychology StudiesVisual perception and processing mechanismsMotor Control and Adaptation

Neural correlates of a decision in the dorsolateral prefrontal cortex of the macaque

Kim, Jong-Nam, Shadlen, Michael N.·1999·Nature Neuroscience

Abstract

To make a visual discrimination, the brain must extract relevant information from the retina, represent appropriate variables in the visual cortex and read out this representation to decide which of two or more alternatives is more likely. We recorded from neurons in the dorsolateral prefrontal cortex (areas 8 and 46) of the rhesus monkey while it performed a motion discrimination task. The monkey indicated its judgment of direction by making appropriate eye movements. As the monkey viewed the motion stimulus, the neural response predicted the monkey's subsequent gaze shift, hence its judgment of direction. The response comprised a mixture of high-level oculomotor signals and weaker visual sensory signals that reflected the strength and direction of motion. This combination of sensory integration and motor planning could reflect the conversion of visual motion information into a categorical decision about direction and thus give insight into the neural computations behind a simple cognitive act.

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Crossref · 10.1038/5739

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Authors
Kim, J.-N., & Shadlen, M. N.
Affiliations
University of Washington (US)
Corresponding author
Shadlen, Michael N.
Venue
Nature Neuroscience
Published
1999-02
Volume
2
Issue
2
Pages
176-185
ISSN
  • 1097-6256 (ISSN-L)
  • 1546-1726
OpenAlex
W1589439850
Cited by
950
References
51
Citations by year
2026: 21 · 2025: 23 · 2024: 39 · 2023: 30 · 2022: 33 · 2021: 37 · 2020: 25 · 2019: 27 · 2018: 38 · 2017: 33 · 2016: 27 · 2015: 39 · 2014: 52 · 2013: 36 · 2012: 42
FWCI
18.53
Type
journal article
Language
en
Update notices
erratum (1999-02-01)
Open access
closed
Locations
  • Nature Neuroscience (publishedVersion)
  • PubMed (publishedVersion)
Funders
  • National Eye Institute (EY11378, R01EY011378)
  • National Center for Research Resources (RR00166, P51RR000166)
Topics
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Neural and Behavioral Psychology Studies
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Visual perception and processing mechanisms
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Motor Control and Adaptation
Keywords
dorsolateral prefrontal cortex, decision-making, motion direction discrimination, oculomotor signals, sensory integration, motor planning, gaze shifts, rhesus monkeys, neural correlates of choice, visual motion
MeSH terms
Animals, Decision Making, Discrimination, Psychological, Forecasting, Macaca mulatta, Models, Neurological, Motion Perception, Time Factors, Prefrontal Cortex

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