Choice discrimination in schizophrenic subjects for positive, negative, and affective stimuli.
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In a review of the theoretical and clinical literature regarding the problem of the schizophrenic patient's response to environmental stimuli, certain conceptual discrepancies became apparent. Schilder maintained that schizophrenic patients could not be expected to respond differentially to varying stimuli. White, on the other hand, agreed generally with Schilder's position that these patients impress observers with their withdrawing, non-differential behavior to environmental stimuli, but he disagreed that this lack of discrimination was invariable or universal. Rather he stated that these individuals were capable of responding selectively to varying stimuli under certain conditions. However, White did not elaborate or specify what these conditions were. While clinical opinion is strong in supporting the notion advanced by Schilder, no experimental evidence exists for the Schilder position. On the other hand, experimental evidence for White's position is meager and is largely confined to two studies.
Thesis (Ph.D.)--Boston University
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