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. 1979;8(3):303-9.
doi: 10.1068/p080303.

Heritability in visual-geometric illusions: a family study

S Coren, C Porac

Heritability in visual-geometric illusions: a family study

S Coren et al. Perception. 1979.

Abstract

The Müller-Lyer and Ebbinghaus illusions were tested in 203 mother-father-offspring triads and 303 sibling pairs. Significant familial resemblances were found in all but the overestimated segment of the Ebbinghaus illusion. These results suggest that responses to visual-geometric illusions, mediated by optical or neural interactive mechanisms, show patterns of familial resemblance which may be based upon heritable factors.

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