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Schizophrenia patients frequently display an array of abnormal bodily phenomena (ABPs). There is literature to suggest that the presence of ABPs may be representative of a fundamental disruption of the embodied and prereflexive state of selfhood and hence be relevant for the development of schizophrenia spectrum disorders. ABPs have been considered as trait features of vulnerability to psychosis and may have value as potential markers for early detection, target symptoms for prevention and predictors of clinical outcomes. This longitudinal cohort study aimed to explore: (1) the prevalence of ABPs in first episode psychosis, (2) their longitudinal stability, (3) how ABPs compare with data from patients with enduring psychosis, and (4) how aspects of disorders of self-experience (DSEs) and ABPs and the corresponding instruments relate to each other. Sixteen patients were recruited from an early intervention in psychosis service. They were assessed with a series of structured and semi-structured interviews at point of entry, after 6 months and 12 months of follow-up. A variety of ABPs and DSEs were displayed in all study subjects, associated with high levels of core psychotic symptoms and reduced with treatment over time. Compared with findings of both acute and chronic schizophrenia patients, the prevalence of ABPs seems to be representative of severity and acuteness of the illness. Two factors were identified with stable trait characteristics and might be of predictive value for the course of the illness. Further studies with bigger samples are needed to further test the value of ABPs as early markers of detection and predictors of clinical course. The association between DSEs and ABPs warrants further investigation. [ABSTRACT FROM AUTHOR]