PSYCH 3EV3 Lecture Notes - Lecture 4: Corticotropin-Releasing Hormone, Adrenal Gland, Sympathetic Nervous System

• School: McMaster University
• Department: Psychology
• Course: PSYCH 3EV3
• Professor: Paul W Andrews

Document Summary

The sympathetic nervous system sends signal to adrenal gland in order to promote energy mobilization, alertness, blood flow and respiration. Hypothalamus releases corticotropin releasing hormone onto pituitary gland, pituitary gland releases adrenocorticotropic hormone onto adrenal gland, which releases cortisol (glucocorticoid) Found in individuals with infection, ptsd, depression and who are pregnant. Supresses growth, reproduction and immune function to promote energy reallocation. Death of neurons by necrosis (assassination) and apoptosis (suicide) Negative correlation between length of untreated depression and hippocampal volume, demonstrating reduced neurogenesis in hippocampus.