期刊
SCHIZOPHRENIA BULLETIN
卷 32, 期 2, 页码 366-377出版社
OXFORD UNIV PRESS
DOI: 10.1093/schbul/sbj014
关键词
hallucination; psychometric scale; psychosis continuum; schizophrenia
类别
The study describes the Cardiff Anomalous Perceptions Scale (CAPS), a new validated measure of perceptual anomalies. The 32-item CAPS measure is a reliable, self-report scale, which uses neutral language, demonstrates high content validity, and includes subscales that measure distress, intrusiveness, and frequency of anomalous experience. The CAPS was completed by a general population sample of 336 participants and 20 psychotic inpatients. Approximately 11% of the general population sample scored above the mean of the psychotic patient sample, although, as a group, psychotic inpatients scored significantly more than the general population on all CAPS subscales. A principal components analysis of the general population data revealed 3 components: clinical psychosis (largely Schneiderian first-rank symptoms), temporal lobe disturbance (largely related to temporal lobe epilepsy and related seizure-like disturbances) and chemosensation (largely olfactory and gustatory experiences), suggesting that there are multiple contributory factors underlying anomalous perceptual experience and the psychosis continuum.
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