The Post-Imperative Negative Variation in Schizophrenic Patients and Healthy Subjects
Book Details
Format
Paperback / Softback
Book Series
Psychophysiologie in Labor und Feld
ISBN-10
3631310781
ISBN-13
9783631310786
Publisher
Peter Lang GmbH
Imprint
Peter Lang GmbH
Country of Manufacture
GB
Country of Publication
GB
Publication Date
Dec 1st, 1996
Print length
386 Pages
Weight
486 grams
Dimensions
15.00 x 21.00 x 2.00 cms
Product Classification:
PsychiatryPsychiatry
Ksh 11,300.00
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The Post-Imperative Negative Variation (PINV) is an event-related brain potential that has scarcely been investigated experimentally in schizophrenic patients. Four consecutive experiments using a visual delayed matching-to-sample task show that the PINV (1) is sensitive to the ambiguity in the matching process both in schizophrenic patients and healthy subjects, (2) is sensitive to the provisional memory load in schizophrenic patients only, (3) is related to the experimentally induced motor response, and (4) has a frontolateral topography that distinguishes schizophrenic patients and schizotypal subjects from healthy controls. Taken together, these results suggest that the prefrontal cortex or those cerebral structures functionally linked with it contribute to the rising of the PINV in schizophrenic patients.
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