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The American Journal of Psychiatry, VOL. 119, No. 11

CLINICAL NOTES | May 01, 1963

MENTAL ILLNESS AND VISUAL ILLUSION

CHARLES KORENYI

Am J Psychiatry 1963;119:1097-1097.

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Senior Research Psychiatrist, Creedmoor Institute, Queens Village, N. Y.

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Abstract

The Ames rotating trapezoidal window was demonstrated to 110 acute schizophrenics, 251 chronic psychotics, and 25 controls. The ratio of subjects experiencing the visual illusion was found similar in each group : 97%, 90%, and 96% respectively. It is concluded that mental disorder does not alter this form of illusory perception.

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