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How does the saccadic eye movement controller adapt for pathological states?

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1 Author(s)
Bahill, A.T. ; Carnegie-Mellon University, Pittsburgh, PA

Normal saccadic eye movements are time optimal. When a subject becomes fatigued he changes his control strategy and the eye movements are no longer time optimal. The cerebellum is the adaptive gain controller for the saccadic system. Patients with cerebellar disease have saccadic oscillations. Multiple sclerosis, lesions, and myasthenia gravis attenuate the transmission of the saccadic controller signals. This produces abnormal eye movements. The CNS compensates for this deficit by increasing the duration of the high-frequency motoneuronal saccadic pulse.

Published in:

Decision and Control including the 16th Symposium on Adaptive Processes and A Special Symposium on Fuzzy Set Theory and Applications, 1977 IEEE Conference on

Date of Conference:

7-9 Dec. 1977