Caitlin S Mitchell, Erin J Campbell, Simon D Fisher, Laura M Stanton, Nicholas J Burton, Amy J Pearl, Gavan P McNally, Jaideep S Bains, Tamás Füzesi, Brett A Graham, Elizabeth E Manning, Christopher V Dayas
Impaired motivational drive is a key feature of depression. Chronic stress is a known antecedent to the development of depression in humans and depressive-like states in animals. Whilst there is a clear relationship between stress and motivational drive, the mechanisms underpinning this association remain unclear. One hypothesis is that the endocrine system, via corticotropin-releasing hormone (CRH) in the paraventricular nucleus of the hypothalamus (PVN; PVNCRH ), initiates a hormonal cascade resulting in glucocorticoid release, and that excessive glucocorticoids change brain circuit function to produce depression-related symptoms...
January 8, 2024: Translational Psychiatry