Mar 19, 2014

Prevalence and dimensionality of hallucination-like experiences in young adults

Comprehensive Psychiatry
Antonio PretiMauro Giovanni Carta

Abstract

The study of hallucination-like experiences (HLEs) in non-clinical populations is increasingly used to corroborate etiological models of psychosis. This method capitalizes on the absence of confounding factors that typically affect the study of hallucinations in clinical subjects. To estimate the prevalence of HLEs in young adults; validate the mutidimensionality and explore the correlates of latent HLEs clusters. Cross-sectional survey design. The extended 16-item Launay-Slade Hallucination Scale (LSHS-E) and the 12-item General Health Questionnaire (GHQ-12) were administered to 649 Italian college students (males: 47%). Confirmatory factorial analysis was used to test multidimensionality of the LSHS-E. Hierarchical nested, progressively constrained models were used to assess configural, metric and scalar invariance of the LSHS-E. Latent class analysis was used to test the existence of different profiles of responding across the identified hallucination-proneness dimensions. Factor analysis showed that the four-factor model had the best fit. Factors were invariant across demographic variables and levels of psychological distress. Three latent classes were found: a large class with no HLEs (70% of participants), a multisensory ...Continue Reading

Mentioned in this Paper

Prevalence Studies
Biochemical Pathway
Hallucinations, Visual
Diagnostic Radiology Modality
Psychometrics
Psychosexual Disorders
Chronic Disease
Etiology
Mental Disorders
Student

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