Jan 27, 2015

Differences in the internal structure of hallucinatory experiences between clinical and nonclinical populations

Psychiatry Research
Jae Seung ChangHee Yeon Jung

Abstract

We investigated differential patterns of hallucinatory experiences between nonclinical and clinical samples. A total of 223 nonclinical individuals (108 females) and 111 subjects with schizophrenia (54 females) completed the Launay-Slade Hallucination Scale-Revised (LSHS-R) and Perceptual Aberration Scale (PAS). The Minnesota Multiphasic Personality Inventory-2 (MMPI-2) was used for the nonclinical group, and the Positive and Negative Syndrome Scale (PANSS) hallucination item was used for the clinical group. Cronbach's alpha values showed good internal consistency for the LSHS-R. In the two groups, significant associations were found between LSHS-R and PAS scores. Two factors were extracted through a principal component analysis (PCA) in the nonclinical group, and three factors were identified in the clinical group. The results of a hierarchical cluster analysis (HCA) revealed that a perception-cognition dimension was clear cluster discriminating element for the nonclinical group, whereas alterations in perception-cognition dimension were characteristic in cluster structure of the clinical group. Our findings suggest that the nature of hallucinatory experiences may differ qualitatively between a nonclinical population and subje...Continue Reading

  • References44
  • Citations1

References

  • References44
  • Citations1

Citations

Mentioned in this Paper

Psychometrics
Schizophrenia
Fetishism (Psychiatric)
Congenital, Hereditary, and Neonatal Diseases and Abnormalities
Hallucinations
Psychiatry Specialty
Abuse Dwarfism Syndrome
Nicotine
Hallucinations, Visual, Unformed
Melanogrammus aeglefinus

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