Visual otolith-ocular reflex in normal subjects. A preliminary report
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Y Watanabe1, H Shojaku, K Mizukoshi
1Toyama Medical & Pharmaceutical University, Japan.
Abstract:
The influence of the otolith-ocular reflex (OOR) induced by the linear (along Y-axis) acceleration was evaluated 12 healthy subjects. The elicited maximum eye velocity (MV) was comparatively analyzed under three stimulus conditions; (1) sinusoidal linear acceleration with eyes covered, (2) sinusoidal optokinetic stimulus and (3) sinusoidal linear acceleration with eyes open (visual-vestibular interaction). By the linear acceleration level of 78 cm2, i.e. 0.08 G, the MV of the optokinetic response (OKR) showed no change in spite of the existence of the OOR.
