Article,

A film projecting system as a diagnostic and training technique for eye movements of cerebral palsied children.

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Electroencephalogr Clin Neurophysiol, 45 (1): 122--127 (July 1978)

Abstract

Films are presented for tracking on a translucent screen after reflection from a galvanometer driven mirror. A wave function generator produces picture displacements of amplitude and velocity capable of stimulating selectively (or simultaneously) the saccadic and smooth pursuit systems. This audiovisual signal permits prolonged eye movement recording and training sessions because of increased motivation and alertness. Optokinetic and vestibulo-ocular reflexes can also be tested. An infra-red photoelectric device monitors the horizontal component of eye movement. Records provide the necessary information for syndrome definition and training progress evaluation. Preliminary results show the technique to be perfectly suitable for the diagnosis of functional disorders and sensory-motor training of the cerebral palsied child's oculomotor system.

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