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Acoustic differences between healthy and depressed people: a cross-situation study
Wang, Jingying1; Zhang, Lei2; Liu, Tianli3; Pan, Wei1; Hu, Bin4; Zhu, Tingshao1
Corresponding AuthorZhu, Tingshao(tszhu@psych.ac.cn)
2019-10-15
Source PublicationBMC PSYCHIATRY
Volume19Issue:1Pages:12
AbstractBackground Abnormalities in vocal expression during a depressed episode have frequently been reported in people with depression, but less is known about if these abnormalities only exist in special situations. In addition, the impacts of irrelevant demographic variables on voice were uncontrolled in previous studies. Therefore, this study compares the vocal differences between depressed and healthy people under various situations with irrelevant variables being regarded as covariates. Methods To examine whether the vocal abnormalities in people with depression only exist in special situations, this study compared the vocal differences between healthy people and patients with unipolar depression in 12 situations (speech scenarios). Positive, negative and neutral voice expressions between depressed and healthy people were compared in four tasks. Multiple analysis of covariance (MANCOVA) was used for evaluating the main effects of variable group (depressed vs. healthy) on acoustic features. The significances of acoustic features were evaluated by both statistical significance and magnitude of effect size. Results The results of multivariate analysis of covariance showed that significant differences between the two groups were observed in all 12 speech scenarios. Although significant acoustic features were not the same in different scenarios, we found that three acoustic features (loudness, MFCC5 and MFCC7) were consistently different between people with and without depression with large effect magnitude. Conclusions Vocal differences between depressed and healthy people exist in 12 scenarios. Acoustic features including loudness, MFCC5 and MFCC7 have potentials to be indicators for identifying depression via voice analysis. These findings support that depressed people's voices include both situation-specific and cross-situational patterns of acoustic features.
KeywordMajor depressive disorder Voice analysis Acoustic feature Cross-situation
DOI10.1186/s12888-019-2300-7
Indexed BySCI ; SCI
Language英语
Funding OrganizationMajor State Basic Research Development Program of China (973 Program) ; Key Research Program of the Chinese Academy of Sciences ; 973 Program
Funding ProjectMajor State Basic Research Development Program of China (973 Program)[2014CB744603] ; Key Research Program of the Chinese Academy of Sciences[ZDRW-XH-2019-4] ; 973 Program
WOS Research AreaPsychiatry
WOS SubjectPsychiatry
WOS IDWOS:000490487600002
PublisherBMC
WOS KeywordINFERIOR FRONTAL-CORTEX ; MAJOR DEPRESSION ; VOCAL INDICATORS ; SPEECH ; SEVERITY ; DISCRIMINATION ; CLASSIFICATION ; EXPRESSION ; EMOTIONS ; DISORDER
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Document Type期刊论文
Identifierhttp://ir.psych.ac.cn/handle/311026/29926
Collection社会与工程心理学研究室
Corresponding AuthorZhu, Tingshao
Affiliation1.Chinese Acad Sci, Inst Psychol, Beijing, Peoples R China
2.Virginia Tech, Dept Comp Sci, Blacksburg, VA USA
3.Peking Univ, Inst Populat Res, Beijing, Peoples R China
4.Lanzhou Univ, Sch Informat Sci & Engn, Lanzhou, Gansu, Peoples R China
Recommended Citation
GB/T 7714
Wang, Jingying,Zhang, Lei,Liu, Tianli,et al. Acoustic differences between healthy and depressed people: a cross-situation study[J]. BMC PSYCHIATRY,2019,19(1):12.
APA Wang, Jingying,Zhang, Lei,Liu, Tianli,Pan, Wei,Hu, Bin,&Zhu, Tingshao.(2019).Acoustic differences between healthy and depressed people: a cross-situation study.BMC PSYCHIATRY,19(1),12.
MLA Wang, Jingying,et al."Acoustic differences between healthy and depressed people: a cross-situation study".BMC PSYCHIATRY 19.1(2019):12.
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