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Published on: May 19, 2015
Prefrontal brain asymmetry and pre-menstrual dysphoric disorder symptomatology
Eynav E Accortt1, Jennifer L Stewart, James A Coan
1University of Arizona, United States. eynav.accortt@muohio.edu
Background:
Pre-menstrual dysphoric disorder (PMDD), a dysphoric form of pre-menstrual syndrome, is included as a diagnosis for further study in the DSM-IV-TR (APA, 2000). The present study investigated whether a marker of risk for major depressive disorder (MDD), prefrontal brain asymmetry, also characterizes women with PMDD.
Methods:
In a sample of 25 college women with PMDD symptomatology and 25 matched controls, resting frontal electroencephalographic (EEG) activity was assessed on four occasions within a two-week span.
Results:
Across several frontal sites women with PMDD had relatively less left than right prefrontal brain activity, consistent with a diathesis-stress model for menstrual-related dysphoria.
Conclusions:
The findings suggest an overlap in the risk profile for MDD and PMDD.
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