Portland State University. Department of Psychology
Date of Publication
Master of Science (M.S.) in Psychology
Color vision, Visual perception, Conditioned response
1 online resource (47 p.)
A model based on the laws of classical conditioning is posed as an explanation for the McCollough Effect, an orientation-specific color aftereffect. This model stands as an alternative to the color-coded edge detector hypothesis. Background and relevant issues are presented. Two experiments were performed. The first demonstrated that an auditory stimulus causes the effect to appear stronger to some subjects, a disinhibiting effect. It was also shown that some subjects experience spontaneous recovery of the effect after it has been extinguished.
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Lord, Andreas D., "A Conditioning Model for the McCollough Effect" (1975). Dissertations and Theses. Paper 2419.