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- W4283746827 abstract "Affective disturbances in psychosis are well-documented but our understanding of their phenotypic nature in everyday life remains limited. Filling this gap could advance mechanistic models of the affective pathway to psychosis and pave the ground for new research avenues. Therefore, this study focused on temporal affect dynamics in psychosis, i.e., the patterns with which affect fluctuates over time. We applied experience-sampling with nine assessments per day over one week in participants with psychotic disorders (PSY), participants with attenuated psychotic symptoms (AS), clinical controls with obsessive compulsive disorders (OCD) and healthy controls (HC; total N = 139) to assess whether in PSY and AS, dynamics in affective valence and arousal are characterized by higher instability (i.e., extreme and frequent moment-to-moment fluctuations of affect intensities), higher affective variability (i.e., larger range of affect intensities), or lower inertia (i.e., higher frequency of affective changes), compared to the clinical and healthy control samples. Mixed-model ANOVAs revealed higher instability in both PSY and OCD compared to HC, but no significant differences for variability and inertia. AS had an intermediate position and did not differ significantly from any other group. We found evidence for small to medium effect sizes for the influence of mean affect levels on the dynamic indicators. Our findings indicate that individuals with psychotic disorders have increased affective instability and that this could be a transdiagnostic phenomenon. Zooming in on the variability and inertia components did not confer additional benefits. Emotion-focused interventions for psychosis should focus on reducing frequent and extreme affective fluctuations." @default.
- W4283746827 created "2022-07-02" @default.
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- W4283746827 date "2022-09-01" @default.
- W4283746827 modified "2023-10-13" @default.
- W4283746827 title "Pinpointing affective disturbances in psychosis: A comparison of temporal affect dynamics in individuals with psychotic disorders, individuals with attenuated psychotic symptoms, and clinical and healthy controls" @default.
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- W4283746827 doi "https://doi.org/10.1016/j.jpsychires.2022.06.047" @default.
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