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Comparing motion induction in lateral motion and motion in depth

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harris_german_preprint.pdf (370.7Kb)
Date
02/2008
Author
Harris, Julie
German, KJ
Keywords
Induced motion
Motion in depth
Binocular
Motion
Random-dot stereograms
Induced movement
Eye movements
Perception
Representation
Stereomotion
Velocity
Errors
BF Psychology
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Abstract
Induced motion, the apparent motion of an object when a nearby object moves, has been shown to occur in a variety of different conditions, including motion in depth. Here we explore whether similar patterns of induced motion result from induction in a lateral direction (frontoparallel motion) or induction in depth. We measured the magnitude of induced motion in a stationary target for: (a) binocularly viewed lateral motion of a pair of inducers, where the angular motion is in the same direction for the two eyes, and (b) binocularly viewed motion in depth of inducers, where the angular motions in the two eyes are opposite to each other, but the same magnitude as for the lateral motion. We found that induced motion is of similar magnitude for the two viewing conditions. This suggests a common mechanism for motion induction by both lateral motion and motion in depth, and is consistent with the idea that the visual signals responsible for induced motion are established before angular information is scaled to obtain metric motion in depth.
Citation
Harris , J & German , KJ 2008 , ' Comparing motion induction in lateral motion and motion in depth ' , Vision Research , vol. 48 , no. 5 , pp. 695-702 . https://doi.org/10.1016/j.visres.2007.11.018
Publication
Vision Research
Status
Peer reviewed
DOI
https://doi.org/10.1016/j.visres.2007.11.018
ISSN
0042-6989
Type
Journal article
Rights
This is an author version of this work. Published version (c) 2007 Elsevier Ltd is available from http://www.sciencedirect.com
Collections
  • University of St Andrews Research
URL
http://www.scopus.com/inward/record.url?scp=39149127288&partnerID=8YFLogxK
URI
http://hdl.handle.net/10023/2757

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