Audiovisual associations alter the perception of low-level visual motion
Author
Kafaligonul H.
Oluk, C.
Date
2015Source Title
Frontiers in Integrative Neuroscience
Print ISSN
16625145
Publisher
Frontiers Research Foundation
Volume
9
Issue
MAR
Language
English
Type
ArticleItem Usage Stats
124
views
views
80
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downloads
Abstract
Motion perception is a pervasive nature of vision and is affected by both immediate pattern of sensory inputs and prior experiences acquired through associations. Recently, several studies reported that an association can be established quickly between directions of visual motion and static sounds of distinct frequencies. After the association is formed, sounds are able to change the perceived direction of visual motion. To determine whether such rapidly acquired audiovisual associations and their subsequent influences on visual motion perception are dependent on the involvement of higherorder attentive tracking mechanisms, we designed psychophysical experiments using regular and reverse-phi random dot motions isolating low-level pre-attentive motion processing. Our results show that an association between the directions of low-level visual motion and static sounds can be formed and this audiovisual association alters the subsequent perception of low-level visual motion. These findings support the view that audiovisual associations are not restricted to high-level attention based motion system and early-level visual motion processing has some potential role. © 2015 Kafaligonul and Oluk.
Keywords
Audiovisual associationsDirection discrimination
Motion perception
Multisensory
Visual motion processing
adult
Article
association
attention
audiovisual association
auditory discrimination
auditory stimulation
female
human
human experiment
male
motion
motion direction
movement perception
normal human
sound
static sound
stimulus response
visual motion perception
visual stimulation
Permalink
http://hdl.handle.net/11693/22214Published Version (Please cite this version)
http://dx.doi.org/10.3389/fnint.2015.00026Collections
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