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Meta-Analysis
. 2021 Nov:65:102820.
doi: 10.1016/j.ajp.2021.102820. Epub 2021 Aug 28.

Auditory emotion recognition deficits in schizophrenia: A systematic review and meta-analysis

Bingyan Gong  1 , Qiuhong Li  1 , Yiran Zhao  1 , Chao Wu  2
Affiliations
Meta-Analysis

Auditory emotion recognition deficits in schizophrenia: A systematic review and meta-analysis

Bingyan Gong et al. Asian J Psychiatr. 2021 Nov.

Abstract

Background: Auditory emotion recognition (AER) deficits refer to the abnormal identification and interpretation of tonal or prosodic features that transmit emotional information in sounds or speech. Evidence suggests that AER deficits are related to the pathology of schizophrenia. However, the effect size of the deficit in specific emotional category recognition in schizophrenia and its association with psychotic symptoms have never been evaluated through a meta-analysis.

Methods: A systematic search for literature published in English or Chinese until November 30, 2020 was conducted in PubMed, Embase, Web of Science, PsychINFO, and China National Knowledge Infrastructure (CNKI), WanFang and Weip Databases. AER differences between patients and healthy controls (HCs) were assessed by the standardized mean differences (SMDs). Subgroup analyses were conducted for the type of emotional stimuli and the diagnosis of schizophrenia or schizoaffective disorders (Sch/SchA). Meta-regression analyses were performed to assess the influence of patients' age, sex, illness duration, antipsychotic dose, positive and negative symptoms on the study SMDs.

Results: Eighteen studies containing 615 psychosis (Sch/SchA) and 488 HCs were included in the meta-analysis. Patients exhibited moderate deficits in recognizing the neutral, happy, sad, angry, fear, disgust, and surprising emotion. Neither the semantic information in the auditory stimuli nor the diagnosis subtype affected AER deficits in schizophrenia. Sadness, anger, and disgust AER deficits were each positively associated with negative symptoms in schizophrenia.

Conclusions: Patients with schizophrenia have moderate AER deficits, which were associated with negative symptoms. Rehabilitation focusing on improving AER abilities may help improve negative symptoms and the long-term prognosis of schizophrenia.

Keywords: Auditory emotion recognition; Meta-analysis; Negative symptoms; Schizophrenia.

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