Vocal emotion perception in schizophrenia and its diagnostic significance

Background Cognitive and emotional impairment are among the core features of schizophrenia; assessment of vocal emotion recognition may facilitate the detection of schizophrenia. We explored the differences between cognitive and social aspects of emotion using vocal emotion recognition and detailed...

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Bibliographic Details
Published in:BMC psychiatry 2023-10, Vol.23 (1), p.1-760, Article 760
Main Authors: Zhao, Wenxuan, Zhang, Qi, An, Huimei, Yun, Yajun, Fan, Ning, Yan, Shaoxiao, Gan, Mingyuan, Tan, Shuping, Yang, Fude
Format: Article
Language:English
Subjects:
Anxiety
Clinical psychiatry
Cognition
Cognition & reasoning
Cognitive ability
Computational linguistics
Diagnosis
Emotions
Language processing
Medical diagnosis
Medical research
Medicine, Experimental
Memory
Mental depression
Mental disorders
Natural language interfaces
Patients
Perception
Phonetics
Problem solving
Psychiatrists
Psychiatry
Questionnaires
Schizophrenia
Social factors
Somatotropin
Vocal emotion perception
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Summary:Background Cognitive and emotional impairment are among the core features of schizophrenia; assessment of vocal emotion recognition may facilitate the detection of schizophrenia. We explored the differences between cognitive and social aspects of emotion using vocal emotion recognition and detailed clinical characterization. Methods Clinical symptoms and social and cognitive functioning were assessed by trained clinical psychiatrists. A vocal emotion perception test, including an assessment of emotion recognition and emotional intensity, was conducted. One-hundred-six patients with schizophrenia (SCZ) and 230 healthy controls (HCs) were recruited. Results Considering emotion recognition, scores for all emotion categories were significantly lower in SCZ compared to HC. Considering emotional intensity, scores for anger, calmness, sadness, and surprise were significantly lower in the SCZs. Vocal recognition patterns showed a trend of unification and simplification in SCZs. A direct correlation was confirmed between vocal recognition impairment and cognition. In diagnostic tests, only the total score of vocal emotion recognition was a reliable index for the presence of schizophrenia. Conclusions This study shows that patients with schizophrenia are characterized by impaired vocal emotion perception. Furthermore, explicit and implicit vocal emotion perception processing in individuals with schizophrenia are viewed as distinct entities. This study provides a voice recognition tool to facilitate and improve the diagnosis of schizophrenia. Keywords: Schizophrenia, Vocal emotion perception, Cognition
ISSN:1471-244X
1471-244X
DOI:10.1186/s12888-023-05110-2