Jan 1, 1991

The Aubert-Fleischl paradox does appear in visually induced self-motion

Vision Research
B de GraafW Bles

Abstract

An experiment was set up to investigate the possible influence of oculomotor activity on experienced speed of circular vection. With the standard lined inner wall of an optokinetic drum as stimulus, we found that subjects, sequentially exposed to periods with or without fixation point, experienced an increment in speed of circular vection when the eyes were kept stationary as compared to when optokinetic nystagmus occurred. In a control condition, however, where the influence of optokinetic nystagmus vs fixed gaze on the speed of circular vection was measured separately, the effect was not significant. These findings might explain a discrepancy found in the literature.

Mentioned in this Paper

Fixation, Ocular
Optokinetic Nystagmus
Positional Nystagmus
Sample Fixation
Motion Perception
Oculomotor
Esthesia

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