期刊
PSYCHOPHYSIOLOGY
卷 51, 期 5, 页码 446-455出版社
WILEY
DOI: 10.1111/psyp.12191
关键词
Capability model; Depression; Emotion; Alpha asymmetry; Electroencephalography; Motivation
资金
- National Institutes of Health [R01-MH066902]
- National Alliance for Research on Schizophrenia and Depression (NARSAD)
The capability model of frontal electroencephalographic (EEG) asymmetry suggests that brain activity during emotional challenge will be a more powerful indicator of predispositions toward psychopathology than activity observed at rest. EEG data were assessed during a resting baseline and a facial emotion task, wherein individuals with (n = 143) and without (n = 163) lifetime major depressive disorder (MDD) made approach (angry and happy) and withdrawal (afraid and sad) facial expressions. EEG asymmetry during emotional challenge was a more powerful indicator of MDD status than resting asymmetry for average, Cz, and linked mastoid references, results in support of the capability model. However, current-source-density (CSD) transformed asymmetry was indicative of lifetime MDD status under resting and task-elicited conditions. Findings suggest that CSD-transformed data may be more robust indicators of trait frontal EEG asymmetry.
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