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Front Neurosci. 2016 Dec 5;10:559. eCollection 2016.

Auditory Motion Elicits a Visual Motion Aftereffect.

Author information

1
Department of Neuroscience, Karolinska Institutet Stockholm, Sweden.

Abstract

The visual motion aftereffect is a visual illusion in which exposure to continuous motion in one direction leads to a subsequent illusion of visual motion in the opposite direction. Previous findings have been mixed with regard to whether this visual illusion can be induced cross-modally by auditory stimuli. Based on research on multisensory perception demonstrating the profound influence auditory perception can have on the interpretation and perceived motion of visual stimuli, we hypothesized that exposure to auditory stimuli with strong directional motion cues should induce a visual motion aftereffect. Here, we demonstrate that horizontally moving auditory stimuli induced a significant visual motion aftereffect-an effect that was driven primarily by a change in visual motion perception following exposure to leftward moving auditory stimuli. This finding is consistent with the notion that visual and auditory motion perception rely on at least partially overlapping neural substrates.

KEYWORDS:

auditory motion; auditory perception; multisensory perception; visual motion aftereffect; visual motion perception

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