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Basal ganglia control of saccadic eye movement. Okihide HIKOSAKA 1 1National Institute for Physiological Sciences, Okazaki National Research Institute pp.953-961
Published Date 1990/12/10
DOI https://doi.org/10.11477/mf.1431900093
  • Abstract
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Saccadic eye movement, among a variety of movements, is controlled by the basal ganglia. This is accomplished by a powerful inhibitory connection from the substantia nigra pars reticulata (SNr) to the superior colliculus (SC). Neurons in the SNr are characterized by their high, tonic spike discharges. If a monky attempts to make a saccade to a visual target or a remembered target, SNr neurons stop discharging. Cells in the intermediate layer of the SC, which receive inhibitory afferents from the SNr, are then released from the tonic inhibition.


Copyright © 1990, Igaku-Shoin Ltd. All rights reserved.

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電子版ISSN 1882-1243 印刷版ISSN 0001-8724 医学書院

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