Psychotic symptoms in non-clinical populations and the continuum of psychosis
Abstract
A growing body of evidence suggests that delusional or hallucinatory experiences are much more frequent in subjects from the general population than the prevalence of cases of psychotic disorders, thereby suggesting the existence of a symptomatic continuum between subjects from the general population and clinical cases of psychosis. Exploring the risk factors modulating the expression of psychosis-like signs in non-clinical populations may better contribute to elucidate the etiology of psychosis than research restricted to subjects at the endpoint of the distribution of the psychotic dimension. The aim of this paper is to briefly review research investigating the distribution of psychotic symptoms in non-clinical populations, the developmental aspects of psychosis proneness, and the outcome characteristics of psychosis-prone subjects.
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Psychotic symptoms, and specifically paranoia, are not confined to clinically defined groups but are distributed across the general population.
“Evidence suggests that psychotic symptoms [54–56], and specifically paranoia [16], are not only confined to clinically defined groups, but are distributed across the general population.”
From A structural equation model of the relationship between insomnia, negative affect, and paranoid thinking (2017) · cites this paper as [55]
Research studying aspects of psychosis among members of the general population can inform understanding of the same experiences in clinical populations.
“Thus, research studying aspects of the experience of psychosis among members of the general population can inform our understanding of the same experiences in clinical populations [55].”
From A structural equation model of the relationship between insomnia, negative affect, and paranoid thinking (2017) · cites this paper as [55]
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“Withaclinicalprevalenceofabout7per1000intheadultpopulation, psychosis is more common among the general population than previously assumed (Johns et al., 2004) and is expressed along a continuum (Verdoux and Van Os, 2002).”
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- Authors
- Verdoux, H., & van Os, J.
- Affiliations
- Centre Hospitalier Charles Perrens (FR)
- Corresponding author
- Verdoux, Hélène
- ORCID
- Verdoux, Hélène
- Venue
- Schizophrenia Research
- Publisher
- Elsevier BV
- Published
- 2002-03
- Volume
- 54
- Issue
- 1-2
- Pages
- 59-65
- ISSN
- 0920-9964 (ISSN-L)
- OpenAlex
- W2080591784
- Cited by
- 557
- References
- 40
- Citations by year
- 2026: 7 · 2025: 14 · 2024: 18 · 2023: 16 · 2022: 25 · 2021: 25 · 2020: 20 · 2019: 27 · 2018: 35 · 2017: 26 · 2016: 26 · 2015: 23 · 2014: 26 · 2013: 23 · 2012: 43
- FWCI
- 11.35
- Type
- journal article
- Language
- en
- Open access
- closed
- Locations
- Schizophrenia Research (publishedVersion)
- PubMed (publishedVersion)
- Topics
- Health Sciences › Medicine › Psychiatry and Mental health › Schizophrenia research and treatment
- Life Sciences › Neuroscience › Cognitive Neuroscience › Hallucinations in medical conditions
- Social Sciences › Arts and Humanities › Philosophy › Mental Health and Psychiatry
- Keywords
- psychotic symptoms, non-clinical population
- MeSH terms
- Adolescent, Adult, Aged, Aged, 80 and over, Female, Humans, Male, Middle Aged, Psychotic Disorders, Risk Factors, Prevalence, Age Distribution
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