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Subjects between the ages of 50 and 86 years were given portions of the Halstead-Reitan Neuropsychological Test Battery, the Wechsler Memory Scale, and the Wechsler Adult Intelligence Scale. Younger subjects performed significantly better than older subjects on 10 of the 18 neuropsychological measures used. (Author/BEF)

The literature reveals a marked decline in performance on the Visual Reproduction subtest with increasing age. Both level of education and intelligence seemed to exert a substantial influence on performance which may be significant in clinical evaluations. (Author)