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Cited by 91Visual perception and processing mechanismsNeural dynamics and brain functionNeuroscience and Neuropharmacology Research

Effects of Saccades on the Activity of Neurons in the Cat Lateral Geniculate Nucleus

Lee, Daeyeol, Malpeli, Joseph G.·1998·Journal of Neurophysiology
DOI 10.1152/jn.1998.79.2.922
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Abstract

Lee, Daeyeol and Joseph G. Malpeli. Effects of saccades on the activity of neurons in the cat lateral geniculate nucleus. J. Neurophysiol. 79: 922–936, 1998. Effects of saccades on individual neurons in the cat lateral geniculate nucleus (LGN) were examined under two conditions: during spontaneous saccades in the dark and during stimulation by large, uniform flashes delivered at various times during and after rewarded saccades made to small visual targets. In the dark condition, a suppression of activity began 200–300 ms before saccade start, peaked ∼100 ms before saccade start, and smoothly reversed to a facilitation of activity by saccade end. The facilitation peaked 70–130 ms after saccade end and decayed during the next several hundred milliseconds. The latency of the facilitation was related inversely to saccade velocity, reaching a minimum for saccades with peak velocity >70–80°/s. Effects of saccades on visually evoked activity were remarkably similar: a facilitation began at saccade end and peaked 50–100 ms later. When matched for saccade velocity, the time courses and magnitudes of postsaccadic facilitation for activity in the dark and during visual stimulation were identical. The presaccadic suppression observed in the dark condition was similar for X and Y cells, whereas the postsaccadic facilitation was substantially stronger for X cells, both in the dark and for visually evoked responses. This saccade-related regulation of geniculate transmission appears to be independent of the conditions under which the saccade is evoked or the state of retinal input to the LGN. The change in activity from presaccadic suppression to postsaccadic facilitation amounted to an increase in gain of geniculate transmission of ∼30%. This may promote rapid central registration of visual inputs by increasing the temporal contrast between activity evoked by an image near the end of a fixation and that evoked by the image immediately after a saccade.

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  • Saccadic suppression mechanisms have been identified in pigeons, chickens, locusts, monkeys and cats.

    “Saccadic suppression mechanisms have been identified in a host of different species, such as pigeons, chickens, locusts, monkeys and cats34–38.”

    From Corollary discharge across the animal kingdom (2008) · cites this paper as [37]

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Authors
Lee, D., & Malpeli, J. G.
Affiliations
University of Illinois Urbana-Champaign (US)
ORCID
Lee, Daeyeol
Venue
Journal of Neurophysiology
Publisher
American Physiological Society
Published
1998-02-01
Volume
79
Issue
2
Pages
922-936
ISSN
  • 0022-3077 (ISSN-L)
  • 1522-1598
DOI
10.1152/jn.1998.79.2.922
OpenAlex
W1861514802
Cited by
91
References
59
Citations by year
2026: 1 · 2025: 4 · 2024: 1 · 2023: 5 · 2022: 1 · 2021: 3 · 2020: 2 · 2019: 4 · 2018: 6 · 2017: 3 · 2016: 3 · 2015: 5 · 2014: 1 · 2013: 1 · 2012: 1
FWCI
2.21
Type
journal article
Language
en
Open access
closed
Locations
  • Journal of Neurophysiology (publishedVersion)
  • PubMed (publishedVersion)
Funders
  • National Institutes of Health (5r01ey002695-25)
  • National Eye Institute (R01-EY02695)
Topics
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Visual perception and processing mechanisms
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Neural dynamics and brain function
  • Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Neuroscience and Neuropharmacology Research
Keywords
saccades, lateral geniculate nucleus, X-cells, Y-cells, saccade velocity, visual evoked potentials, cats
MeSH terms
Animals, Cats, Darkness, Evoked Potentials, Visual, Eye Movements, Fixation, Ocular, Geniculate Bodies, Synaptic Transmission, Neurons, Photic Stimulation, Saccades, Visual Perception

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