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The cerebellar control of the pupillary light reflex Nakaakira TSUKAHARA 1 1Department of Biophysical Engineering, Faculty of Engineering Science, Osaka University pp.765-774
Published Date 1985/10/10
DOI https://doi.org/10.11477/mf.1431905731
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Abstract

The effect of cerebellar lesions upon the pupillary light reflex was examined in anesthetized cats. The pupillary response elicited by a step and sinusoidally modulated light stimulus was used. In acute cerebellectomized cats, the high frequency cutoff of the frequency response of the pupillary reflex was moved to a lower level after cerebellar lesions. Thus the cerebellum appears to partici-pate in the control of the pupillary light reflex by improving the frequency responses of the pupil so that it can follow changing light stimuli better.


Copyright © 1985, 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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