Journal
BIOLOGICAL PSYCHOLOGY
Volume 84, Issue 2, Pages 235-247Publisher
ELSEVIER
DOI: 10.1016/j.biopsycho.2010.01.018
Keywords
PMDD; Histories of depression; Sympathetic nervous system; Hypothalamic-pituitary-adrenal axis; Pain
Funding
- NIH [MH051246, MH080837, MH079532]
- CTRC [RR00046]
- CTSA [UL1RR025747]
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This study examined unique versus shared stress and pain-related phenotypes associated with premenstrual dysphoric disorder (PMDD) and prior major depressive disorder (MOD). Sympathetic nervous system (SNS) and hypothalamic-pituitary-adrenal (HPA)-axis measures were assessed at rest and during mental stress, as well as sensitivity to cold pressor and tourniquet ischemic pain tasks in four groups of women: (1) non-PMDD with no prior MOD (N = 18); (2) non-PMDD with prior MOD (N = 9): (3) PMDD with no prior MOD (N = 17); (4) PMDD with prior MOD (N = 10). PMDD women showed blunted SNS responses to stress compared to non-PMDD women, irrespective of prior MDD; while women with prior MOD showed exaggerated diastolic blood pressure responses to stress versus never depressed women, irrespective of PMDD. However, only in women with histories of MOD did PMDD women have lower cortisol concentrations than non-PMDD women, and only in non-PMDD women was MDD associated with reduced cold pressor pain sensitivity. These results suggest both unique phenotypic differences between women with PMDD and those with a history of MOD, but also indicate that histories of MDD may have special relevance for PMDD. (C) 2010 Elsevier B.V. All rights reserved.
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