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Farran, Emily K.; Cole, Victoria L. – Brain and Cognition, 2008
Perceptual grouping is a pre-attentive process which serves to group local elements into global wholes, based on shared properties. One effect of perceptual grouping is to distort the ability to estimate the distance between two elements. In this study, biases in distance estimates, caused by four types of perceptual grouping, were measured across…
Descriptors: Perception, Classification, Genetic Disorders, Mental Retardation

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