Clinical Report: Volatility priors may reveal delusion severity in schizophrenia
Overview
This study found that elevated expectations of environmental volatility were associated with greater delusion severity among patients with schizophrenia-spectrum disorders over a 6-month period.
Background
Delusions are a core feature of psychotic disorders. This study explores the role of volatility priors in tracking delusion severity among patients recovering from acute psychotic episodes.
Data Highlights
| Group | Volatility Priors | Delusion Severity |
|---|---|---|
| Patients with Schizophrenia | Higher at baseline | Decreased at 6 months |
| Nonclinical Participants | Lower at baseline | Stable |
Key Findings
- Higher volatility priors were observed in patients with schizophrenia compared to nonclinical participants at baseline.
- Volatility priors tracked greater clinician-rated delusion severity over time among patients.
- Delusion severity, paranoia, and delusional ideation decreased among patients at 6 months.
- Volatility priors remained elevated in patients compared to nonclinical participants throughout the study.
- Associations between volatility priors and delusions were stronger for persecutory delusions than for grandiose delusions.
Clinical Implications
The findings indicate that volatility priors could be a metric for assessing delusion severity in clinical settings.
Conclusion
This study highlights the association between volatility priors and delusion severity in schizophrenia-spectrum disorders.
Related Resources & Content
- Sheffield JM, et al., Biological Psychiatry: Cognitive Neuroscience and Neuroimaging, 2023 -- Volatility priors may reveal delusion severity in schizophrenia
- BMC Psychiatry (Springer) — From collective memory to clinical cases: analyzing political delusions in patients with psychotic disorders
- MDSpire News — Bipolar Psychosis: Examining Diagnostic Boundaries
- npj Digital Medicine — Modeling Variability in Multimodal Speech Analysis Throughout the Psychosis Spectrum
- Psychiatry.org - Schizophrenia
- Journal of Medical Internet Research (JMIR) — Artificial Intelligence Centrality in Psychotic Delusions and Violence Risk in Forensic Psychiatry: Retrospective Observational Study of Judicial Decisions
- Psychiatry.org - Schizophrenia
- Continuing, reducing, switching, or stopping antipsychotics in individuals with schizophrenia-spectrum disorders who are clinically stable: a systematic review and network meta-analysis - PubMed
- Prior Expectations of Volatility Following Psychotherapy for Delusions: A Randomized Clinical Trial | Psychotherapy | JAMA Network Open | JAMA Network
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