A comparison of the latencies of visually induced postural change and self-motion perception

Previc, F.H.; Mullen, T.J.

Journal of Vestibular Research Equilibrium and Orientation 1(3): 317-323

1990


ISSN/ISBN: 0957-4271
PMID: 1670164
Document Number: 354760
This study compared the latencies of visually induced postural change and self-motion perception under identical visual conditions. The results showed that a visual roll stimulus elicits postural tilt in the direction of scene motion and an increase in postural instability several seconds before the subject begins to perceive illusory self-motion (vection) in the opposite direction. Postural and vection latencies correlate highly with one another, but bear little relationship with the magnitude of either sway or vection.

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