Japanese Psychological Research
Online ISSN : 1468-5884
Print ISSN : 0021-5368
Intersensory influences on the perception of apparent movement
HIDEKO OHMURA
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1987 Volume 29 Issue 1 Pages 1-9

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Abstract

Previous findings on intermodal apparent movement indicate that intersensory effect in it is asymmetric with respect to acoustic and visual systems. It has also been suggested that the difference between the latencies for the light stimulus and for the sound stimulus may coincide with the point of maximum facilitation in perception. The present study examined whether stimulation of the visual and auditory modalities acted symmetrically or reciprocally in their influence on each other under the different stimulus-onset asynchronies in apparent motion. The results were as follows: (1) Intersensory effect was asymmetric with respect to acoustic and visual systems, that is, only the effect of visual stimulus on auditory apparent movement was found. (2) There were two kinds in this effect: suppression in the shorter range of SOA and facilitation in the longer range. (3) The difference between the latencies for the single stimuli had no influences on likelihood of perceived movement. These findings are discussed along the transsensory view.

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