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Decorso temporale delle risposte neuroniche evocate lungo le vie visive dalla stimolazione luminosa durante i movimenti oculari

Ruggero CorazzaCesare T. Lombroso — 1971

Atti della Accademia Nazionale dei Lincei. Classe di Scienze Fisiche, Matematiche e Naturali. Rendiconti

Transient responses in the multineuronal activity along the visual path ways of encéphale isolé cats were studied during movements of the eyes across a source of light. The time course of the activity bursts depended on selective characteristics of the ocular movements. When the movements were active and "fast", the transient increase in firing rate of the geniculo-cortical and corticofugal neurons preceded the burst of activity photically evoked in the optic chiasma. When the movements were passive...

Caratteristiche della scarica neuronica nelle vie visive centrali durante i movimenti oculari

Ruggero CorazzaCesare T. Lombroso — 1971

Atti della Accademia Nazionale dei Lincei. Classe di Scienze Fisiche, Matematiche e Naturali. Rendiconti

As is known, the visual scene is perceived stationary during active eye movements. An attempt to explain such a perceptual phenomenon has been that at the time of an active eye movement, the efferent motor discharge would be accompanied by a concurrent discharge into the central visual system, capable of counteracting those changes in retinal activation resulting from the ocular movement itself (corollary discharge theory). Only indirect psychophysic and electrophysiological data agree with such...

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