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Stress. 2014 Jan;17(1):51-8. doi: 10.3109/10253890.2013.857398. Epub 2013 Nov 20.

Cortisol response to psychosocial stress during a depressive episode and remission.

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1
Center for Molecular and Behavioral Neuroscience and.

Abstract

This study compared cortisol responses to a standardized psychosocial stressor during a major depressive episode (MDE) and again during remission in adolescents and young adults. Twenty-six individuals with no personal or family history of a major psychiatric disorder (NC) and 24 individuals with a diagnosis of major depressive disorder (MDD) at Time 1 participated in the study. The MDD group showed robust cortisol responses during their index episode and after recovery. In contrast, the NC group showed habituation to the repeated psychosocial stressor, as evident in a flatter cortisol response profile at Time 2. Within the MDD group, net peak cortisol during the first stress test was positively associated with the duration of the index MDE and negatively associated with the total duration of all MDEs. Whereas summary indices of cortisol responses were relatively stable across repeated stress tasks within the MDD group, this was not the case for NC. Results demonstrate that cortisol responses fail to habituate to repeated psychosocial stress during recovery from an MDE and could reflect a trait-like marker of risk for recurrence.

PMID:
24144001
PMCID:
PMC3920542
DOI:
10.3109/10253890.2013.857398
[Indexed for MEDLINE]
Free PMC Article

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