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Brain Response of Major Depressive Disorder Patients to Emotionally Positive and Negative Music

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Abstract

Depression is characterized by poor emotion regulation that makes it difficult to escape the effects of emotional pain, but the neuromodulation behind these symptoms is still unclear. This study investigated the neural mechanism of emotional state-related responses during music stimuli in participants with major depressive disorder (MDD) compared to never-depressed (ND) controls. A novel two-level feature selection method, integrating recursive feature elimination based on support vector machine (SVM-RFE) and random forest algorithm (RF), was proposed to screen emotional recognition brain regions (ERBRs). On this basis, the differences of functional connectivity (FC) were systematically analyzed by two-sample t-test. The results demonstrate that ND participants show eight pairs of FCs with a significant difference between positive emotional music stimuli (pEMS) versus negative emotional music stimuli (nEMS) in 15 ERBRs of MDD, but the participants with MDD show one pair of significant difference in FC. The decreased number reflects the fuzzy response to positive and negative emotions in MDD, which appears to arise from obstacle to emotional cognition and regulation. Furthermore, there was no significant difference in FC between MDDs and NDs under pEMS, but a significant difference was detected between the two groups under nEMS (p < 0.01), revealing a ‘bias’ against the negative state in MDD. The current study may help to better comprehend the abnormal evolution from normal to depression and inform the utilization of pEMS in formal treatment for depression.

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Availability of Data and Materials

The data included fMRI images and descriptions from 19 MDD and 20 ND participants downloaded from Open Neuro database (http://openneuro.org/).

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Funding

This work was supported by the National Natural Science Foundation of China (Nos. 61803257, 31870979) and the Natural Science Foundation of Shanghai (No. 18ZR1417200).

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Contributions

Jin Deng and Ying Li conceived and designed the study. Jin Deng and Yuewei Chen performed the experiments. Jin Deng, Ying Li, and Yuewei Chen collected the samples and analyzed the data. Jin Deng and Yuewei Chen wrote the manuscript. Weiming Zeng and Xiaoqi Luo reviewed and edited the manuscript. All authors read and approved the final version of the manuscript.

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Correspondence to Jin Deng or Ying Li.

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The authors declare no competing interests.

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The paper does not contain any studies with human participants or animals performed by any of the authors; therefore, the ethical approval and consent to participate are not applicable. The authors have consented to publication of this article.

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The authors declare no competing interests.

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Deng, J., Chen, Y., Zeng, W. et al. Brain Response of Major Depressive Disorder Patients to Emotionally Positive and Negative Music. J Mol Neurosci 72, 2094–2105 (2022). https://doi.org/10.1007/s12031-022-02061-3

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  • DOI: https://doi.org/10.1007/s12031-022-02061-3

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