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20.04.2024 | Research Article

Time-varying EEG networks of major depressive disorder during facial emotion tasks

verfasst von: Jingru Yang, Bowen Li, Wanqing Dong, Xiaorong Gao, Yanfei Lin

Erschienen in: Cognitive Neurodynamics

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Abstract

Depression is a mental disease involved in emotional and cognitive impairments. Neuroimaging studies have found abnormalities in the structure and functional network of brain for major depressive disorder (MDD).However, neural mechanism of the dynamic connectivity for emotional attention of MDD is currently insufficient. In this study, event-related potentials (ERP) and time-varying network were analyzed to investigate attention bias and corresponding neural mechanisms induced by emotional facial stimuli. In the ERP results, N100 components in MDD had shorter latencies and smaller amplitudes than those in healthy controls (HC) for sad and fear faces. The P200 amplitudes induced by sad faces in MDD were significantly higher than those induced by happy and fear faces in MDD, and those induced by sad faces in HC. It was indicated that MDD patients had attention bias towards sad faces. For the time-varying network analysis, adaptive directed transfer function was explored to construct dynamic network connectivity. MDD patients had stronger information outflow from the right frontal region and weaker information outflow from parieto-occipital regions for sad faces. In addition, the network properties of sad faces were significantly correlated with PHQ-9 scores for MDD group. These findings may provide further explanation for understanding the MDD’s neural mechanism of attention bias during facial emotional tasks.

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Literatur
Zurück zum Zitat Sheehan DV et al (1998) The Mini-International Neuropsychiatric Interview (M.I.N.I): the development and validation of a structured diagnostic psychiatric interview for DSM-IV and ICD-10. J Clin Psychiatry 59(20):22–23PubMed Sheehan DV et al (1998) The Mini-International Neuropsychiatric Interview (M.I.N.I): the development and validation of a structured diagnostic psychiatric interview for DSM-IV and ICD-10. J Clin Psychiatry 59(20):22–23PubMed
Metadaten
Titel
Time-varying EEG networks of major depressive disorder during facial emotion tasks
verfasst von
Jingru Yang
Bowen Li
Wanqing Dong
Xiaorong Gao
Yanfei Lin
Publikationsdatum
20.04.2024
Verlag
Springer Netherlands
Erschienen in
Cognitive Neurodynamics
Print ISSN: 1871-4080
Elektronische ISSN: 1871-4099
DOI
https://doi.org/10.1007/s11571-024-10111-2