Chapter

Models of Selective Effects

Norma van Surdam Graham

in Visual Pattern Analyzers

Published in print December 1989 | ISBN: 9780195051544
Published online January 2008 | e-ISBN: 9780199872183 | DOI: http://dx.doi.org/10.1093/acprof:oso/9780195051544.003.0003

Series: Oxford Psychology Series

 Models of Selective Effects

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This chapter describes near-threshold selective adaptation experiments, one of several experimental paradigms commonly used as evidence for or against the existence of multiple analyzers sensitive to different values along some sensory or perceptual dimension. Possible explanations of selective-adaptation experimental results are presented including: simple fatigue (desensitization) models; a generalization of the Stiles desensitization model originally applied to color vision; and models either solely based on or including inhibition. The models are illustrated using experimental results on the spatial-frequency dimension.

Keywords: mathematical models; spatial frequency; selective adaptation; fatigue; inhibition; multiple analyzers; channels; eye of origin

Chapter.  16060 words.  Illustrated.

Subjects: Neuropsychology

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