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Common mechanisms for 2D tilt and 3D slant after-effects

Common mechanisms for 2D tilt and 3D slant after-effects
Common mechanisms for 2D tilt and 3D slant after-effects
By presenting oriented Gabor patches either monocularly or binocularly, we dissociated retinal orientation from perceived tilt and perceived slant. After adapting to binocular patches, with zero apparent tilt and non-zero slant, small tilt after-effects (TAEs) and large slant after-effects (SAE) were measured. Adapting to monocular patches with non-zero tilt and zero slant produced large TAEs and smaller SAEs. This pattern of results suggests that a common, low-level adaptation to monocular orientation is involved in slant and tilt after-effects. However, the incomplete transfer between slant and tilt makes it clear that higher-level adaptation is also involved, perhaps at the level of surface representation.
after-effect, slant, tilt, stereopsis, orientation disparity
0042-6989
2563-2568
Adams, Wendy J.
25685aaa-fc54-4d25-8d65-f35f4c5ab688
Mamassian, Pascal
c8cd94cf-3645-4f60-826c-0d1ab349bb00
Adams, Wendy J.
25685aaa-fc54-4d25-8d65-f35f4c5ab688
Mamassian, Pascal
c8cd94cf-3645-4f60-826c-0d1ab349bb00

Adams, Wendy J. and Mamassian, Pascal (2002) Common mechanisms for 2D tilt and 3D slant after-effects Vision Research, 42, (23), pp. 2563-2568. (doi:10.1016/S0042-6989(02)00269-9).

Record type: Article

Abstract

By presenting oriented Gabor patches either monocularly or binocularly, we dissociated retinal orientation from perceived tilt and perceived slant. After adapting to binocular patches, with zero apparent tilt and non-zero slant, small tilt after-effects (TAEs) and large slant after-effects (SAE) were measured. Adapting to monocular patches with non-zero tilt and zero slant produced large TAEs and smaller SAEs. This pattern of results suggests that a common, low-level adaptation to monocular orientation is involved in slant and tilt after-effects. However, the incomplete transfer between slant and tilt makes it clear that higher-level adaptation is also involved, perhaps at the level of surface representation.

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More information

Published date: 2002
Keywords: after-effect, slant, tilt, stereopsis, orientation disparity

Identifiers

Local EPrints ID: 18642
URI: http://eprints.soton.ac.uk/id/eprint/18642
ISSN: 0042-6989
PURE UUID: 3beaabc8-fcea-4a24-b8f3-dc068620c461
ORCID for Wendy J. Adams: ORCID iD orcid.org/0000-0002-5832-1056

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Date deposited: 29 Nov 2005
Last modified: 17 Jul 2017 16:35

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Contributors

Author: Wendy J. Adams ORCID iD
Author: Pascal Mamassian

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