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Research Article: Psychotic-like experiences in non-clinical subgroups with and without specific beliefs

Date Published: 2023-07-10

Abstract:
Assuming a transdiagnostic and extended psychosis phenotype, psychotic-like experiences (PLEs) and psychotic symptoms are on a phenomenological and temporal continuum between clinical and non-clinical populations. Recent research points towards differences in PLE proneness in different subgroups and clinical impact of different PLE subtypes. This study examines the prevalence of PLEs in three groups of individuals with and without specific sets of beliefs aiming to elucidate the question whether proneness to PLEs varies according to traditional versus less traditional supernatural beliefs.

Introduction:
In contrast to the categorical approach of the “Kraepelinian dichotomy”, the concept of a transdiagnostic and extended psychosis phenotype assumes a temporal and phenomenological continuum [1, 2] from psychotic-like experiences (PLEs) in non-help-seeking individuals from the general population [3] to psychotic symptoms in individuals with non-psychotic psychiatric disorders such as anxiety disorders [4] as well as psychotic disorders including schizophrenia-spectrum-disorders [5]. The concept of psychosis as a…

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