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Titolo:
CLINICAL AND EXPERIMENTAL CHARACTERISTICS OF HYPOTHETICALLY PSYCHOSISPRONE COLLEGE-STUDENTS
Autore:
CADENHEAD K; KUMAR C; BRAFF D;
Indirizzi:
UNIV CALIF SAN DIEGO,DEPT PSYCHIAT,0804,9500 GILMAN DR LA JOLLA CA 92122
Titolo Testata:
Journal of Psychiatric Research
fascicolo: 5, volume: 30, anno: 1996,
pagine: 331 - 340
SICI:
0022-3956(1996)30:5<331:CAECOH>2.0.ZU;2-S
Fonte:
ISI
Lingua:
ENG
Soggetto:
SCHIZOPHRENIC-PATIENTS; PHYSICAL ANHEDONIA; SCHIZOTYPAL PERSONALITY; HABITUATION; DEFICITS; SYMPTOMS; REFLEX;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Physical, Chemical & Earth Sciences
Science Citation Index Expanded
Citazioni:
35
Recensione:
Indirizzi per estratti:
Citazione:
K. Cadenhead et al., "CLINICAL AND EXPERIMENTAL CHARACTERISTICS OF HYPOTHETICALLY PSYCHOSISPRONE COLLEGE-STUDENTS", Journal of Psychiatric Research, 30(5), 1996, pp. 331-340

Abstract

The study of individuals at the boundaries of schizophrenia has historically involved genetic relatives of schizophrenia patients or individuals who meet criteria for schizotypal personality disorder (SPD). Recently, many investigators have turned to the use of psychometric scales, developed to measure psychotic traits or vulnerability to developing schizophrenia, to screen large populations of college students in order to identify individuals who are ''psychosis prone'' or ''schizotypal'', To help answer the question of whether students identified withpsychometric scales are indeed psychosis prone, we screened 1115 college students with the Perceptual Aberration/ Magical Ideation (PerMag)and Physical Anhedonia (PhysAn) Scales. Individuals who scored 2 standard deviations (SD) above the mean on the scales were selected as experimental subjects (N=13 PerMag, N=10 PhysAn) and a subpopulation of matched subjects who scored less than 0.5 SD above the mean were selected as control subjects (N=24). All subjects then received a full battery of tests, including structured clinical interviews, the MMPI, and psychophysiological measures of information processing, including prepulse inhibition and habituation of the human startle response, visual backward masking and reaction time measures. The results suggest that the PerMag scale, but not the PhysAn scale, identifies individuals withsome psychotic, affective and anxiety symptoms when compared to the controls. Neither scale predicts a diagnosis of schizotypal personalitydisorder or deficits on measures of information processing that characterize schizophrenia or schizotypal personality disordered patients. Copyright (C) 1996 Elsevier Science Ltd.

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Documento generato il 27/01/20 alle ore 16:56:29