Document Detail


Visual aftereffect of texture density contigent on color of frame.
MedLine Citation:
PMID:  8838165     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
An aftereffect of perceived texture density contingent on the color of a surrounding region is reported. In a series of experiments, participants were adapted, with fixation, to stimuli in which the relative density of two achromatic texture regions was perfectly correlated with the color presented in a surrounding region. Following adaptation, the perceived relative density of the two regions was contingent on the color of the surrounding region or of the texture elements themselves. For example, if high density on the left was correlated with a blue surround during adaptation (and high density on the right with a yellow surround), then in order for the left and right textures to appear equal in the assessment phase, denser texture was required on the left in the presence of a blue surround (and denser texture on the right in the context of a yellow surround). Contingent aftereffects were found (1) with black-and-white scatter-dot textures, (2) with luminance-balanced textures, and (3) when the texture elements, rather than the surrounds, were colored during assessment. Effect size was decreased when the elements themselves were colored, but also when spatial subportions of the surround were used for the presentation of color. The effect may be mediated by retinal color spreading (Pöppel, 1986) and appears consistent with a local associative account of contingent aftereffects, such as Barlow's (1990) model of modifiable inhibition.
Authors:
F H Durgin
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Publication Detail:
Type:  Journal Article; Research Support, U.S. Gov't, Non-P.H.S.    
Journal Detail:
Title:  Perception & psychophysics     Volume:  58     ISSN:  0031-5117     ISO Abbreviation:  Percept Psychophys     Publication Date:  1996 Feb 
Date Detail:
Created Date:  1996-12-04     Completed Date:  1996-12-04     Revised Date:  2006-11-15    
Medline Journal Info:
Nlm Unique ID:  0200445     Medline TA:  Percept Psychophys     Country:  UNITED STATES    
Other Details:
Languages:  eng     Pagination:  207-23     Citation Subset:  C    
Affiliation:
Department of Psychology, Swarthmore College, Pennsylvania 19081, USA. fdurginl@swarthmore.edu
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MeSH Terms
Descriptor/Qualifier:
Adult
Attention*
Color Perception*
Contrast Sensitivity
Discrimination Learning*
Female
Field Dependence-Independence
Figural Aftereffect*
Humans
Male
Pattern Recognition, Visual*
Psychophysics

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine


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