Journal article
Repetitive behaviors in schizophrenia: a single disturbance or discrete symptoms?
Schizophrenia research, v 20(1), pp 221-229
1996
PMID: 8794513
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Abstract
Schizophrenia patients often display multiple repetitive behaviors. We investigated relations among nine repetitive behaviors and evaluated the hypothesis that these behaviors are varied manifestations of a single underlying biobehavioral disturbance. Nine repetitive behaviors from the Elgin Behavioral Rating Scale were assessed in 400 schizophrenia patients residing at a state hospital. A majority of patients were smokers (76.3%) and very few had pica (3%). Several other repetitive behaviors showed substantial frequency. A principal components analysis revealed eight of nine behaviors shared at least 10% of their variance with a single, common component. However, a principal factor analysis suggested a five-factor model best represented the data. The five factors and items identifying them were: (1) ‘oral consumption’ behaviors - polydipsia and smoking; (2) ‘Kluver-Bucy’ behaviors - bulimia and hypersexuality; (3) ‘movement’ behaviors - mannerisms/postures and pacing; (4) ‘bizarre use of objects’ - bizarre grooming and hoarding; (5) ‘Pica’. Associations among repetitive behaviors varied. Symptoms such as smoking and polydipsia appeared reliably related, and others such as pica appeared discrete and independent. Overall, the data did not support the ‘single disturbance’ hypothesis and suggested a multifactorial model is needed to characterize repetitive behavior disturbances in schizophrenia.
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Details
- Title
- Repetitive behaviors in schizophrenia: a single disturbance or discrete symptoms?
- Creators
- Joseph I. Tracy - Norristown State HospitalJose de Leon - Norristown State HospitalGhayyur Qureshi - Norristown State HospitalEileen M. McCann - Norristown State HospitalAmy McGrory - Norristown State HospitalRichard C. Josiassen - Norristown State Hospital
- Publication Details
- Schizophrenia research, v 20(1), pp 221-229
- Publisher
- Elsevier
- Resource Type
- Journal article
- Language
- English
- Academic Unit
- Psychiatry
- Web of Science ID
- WOS:A1996UR72100026
- Scopus ID
- 2-s2.0-0030152373
- Other Identifier
- 991019167723404721
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InCites Highlights
Data related to this publication, from InCites Benchmarking & Analytics tool:
- Web of Science research areas
- Psychiatry