Do the saccadic system and the vestibulo-ocular reflex of monkeys share a common neural integrator?

A common ‘neural integrator’ has been hypothesized to perform mathematical integration of velocity-coded inputs for all oculomotor subsystems. Studies in cats suggested that the integrators for some subsystems may be differentially affected by drugs. Our tests in macaques show that the fixation is u...

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Bibliographic Details
Published inNeuroscience letters Vol. 187; no. 3; pp. 193 - 196
Main Authors Chu, Lily, Kaneko, Chris R.S.
Format Journal Article
LanguageEnglish
Published Shannon Elsevier Ireland Ltd 10.03.1995
Elsevier
Subjects
Amphetamine
Animals
Biological and medical sciences
Dose-Response Relationship, Drug
Eye and associated structures. Visual pathways and centers. Vision
Eye movements
Eye Movements - physiology
Fundamental and applied biological sciences. Psychology
Macaca
Macaca mulatta
Reflex, Vestibulo-Ocular - physiology
Saccades
Saccades - physiology
Space life sciences
Time Factors
Trained monkeys
Vertebrates: nervous system and sense organs
Xylazine
Xylazine - pharmacology
Xylazine
Saccades
Trained monkeys
Amphetamine
Eye movements
Vertebrata
Mammalia
Vestibuloocular reflex
Monkey
Primates
Neural integration
Saccadic eye movement
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Summary:A common ‘neural integrator’ has been hypothesized to perform mathematical integration of velocity-coded inputs for all oculomotor subsystems. Studies in cats suggested that the integrators for some subsystems may be differentially affected by drugs. Our tests in macaques show that the fixation is unaffected and saccadic and vestibulo-ocular systems are affected in parallel. Thus, the common integrator hypothesis cannot be ruled out on the basis of these results.
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ISSN:0304-3940
1872-7972
DOI:10.1016/0304-3940(95)11374-6