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Auditory verbal hallucinations in bipolar disorder (BD) and major depressive disorder (MDD): A systematic review.

Wei Lin Toh, Neil Thomas, Susan L. Rossell

Journal of Affective Disorders September 15, 2015 DOI: 10.1016/j.jad.2015.05.040 (opens in new tab)

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AI-extracted from the abstract
Characteristics Systematic review Peer reviewed
Topics Depression
Keywords Auditory verbal hallucinations Bipolar disorder Mood disorders
Key findings Across 14 publications, prevalence of auditory verbal hallucinations varied widely: 11.3-62.8% in bipolar disorder and 5.4-40.6% in major depressive disorder. Persecutory and grandiose delusions were especially common in bipolar disorder, and one neuroimaging study suggested increased fronto-temporal connectivity related to hallucinations in bipolar disorder. The authors argue these symptoms remain central but understudied.

Abstract

Auditory verbal hallucinations (AVHs) are not uncommon in bipolar disorder (BD) and major depressive disorder (MDD), but there has been scant research in the area. The current paper aims to draw together and provide a critical overview of existing studies of AVHs in BD and MDD. A systematic review was undertaken using the search terms 'hallucinations' or 'hearing voices' in conjunction with 'bipolar disorder', 'mania' or 'manic-depressive' or 'major depressive disorder' or 'depression' or 'affective disorder' or 'mood disorder'. After applying a pre-defined set of inclusion criteria, 14 eligible peer-reviewed publications were accepted for further analysis. Prevalence rates of AVHs in BD (11.3-62.8%) and MDD (5.4-40.6%) varied. When psychotic features were examined, persecutory and grandiose delusions were especially common in BD (though the latter did not necessarily occur in conjunction with AVHs). A single known neuroimaging study has suggested increased fronto-temporal connectivity relating to AVHs in BD. Methodological challenges relating to fluctuations in mood states and limited use of validated instruments, coupled with post-episode recall bias, pose as specific barriers to the collection of meaningful phenomenological information. AVHs remains a central but largely understudied symptom in BD and MDD. Future research examining its phenomenology and clinical/neural correlates could bring about positive clinical implications as well as adapted therapeutic applications.

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Single-dose infusion ketamine and non-ketamine N-methyl-D-aspartate receptor antagonists for unipolar and bipolar depression: a meta-analysis of efficacy, safety and time trajectories Patients with major depressive disorder or bipolar depression 2016 Systematic review and meta-analysis n = 588
Therapeutic effects of classic serotonergic psychedelics: A systematic review of modern‐era clinical studies Patients with cancer- or illness-related anxiety and depression, major depressive... 2020 Systematic review n = 188

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