Quantitative analysis of the velocity characteristics of optokinetic nystagmus and optokinetic after‐nystagmus

1. Velocity characteristics of optokinetic nystagmus (OKN) and optokinetic after‐nystagmus (OKAN) induced by constant velocity full field rotation were studied in rhesus monkeys. A technique is described for estimating the dominant time constant of slow phase velocity curves and of monotonically changing data. Time constants obtained by this technique were used in formulating a model of the mechanism responsible for producing OKN and OKAN.

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