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The American Journal of Psychiatry, VOL. 108, No. 12

Article | June 01, 1952

AN EVALUATION OF GLUTAMIC ACID IN MENTAL DEFICIENCY

RALPH N. ZABARENKO; GUINEVERE S. CHAMBERS

Am J Psychiatry 1952;108:881-887.

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Instructor, Dept. of Psychiatry, University of Pittsburgh School of Medicine.

Psychologist, Western Psychiatric Institute, Pittsburgh.

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Abstract

1. Glutamic acid in our study did not produce significant gain in mental functioning.2. Environmental stimulation as seen in our study seemed to enhance mental functioning.

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