NROC61H3 Lecture Notes - Lecture 10: Adrenal Medulla, Preganglionic Nerve Fibers, Locus Coeruleus
Document Summary
Lec10 stress and arousal lecture overview what is stress? acute stressors: acute stressors are an adaptive fight / flight response. 2. selective diversion of energy to organs needed for survival chronic stressors. 1. chronic stressors affect the homeostatic system a. they are dangerous because they tip the stress response system out of control. 2. social interactions are important in the regulation of stress a. social stress is just as disruptive as predator stress chronic / life stressors physiological response to stressor adrenaline / cortisol response. 2. stage of resistance a. stress activated: but the response"s function is to stabilize body"s response to stress b. i. can be neural, etc short term stress response alarm phase (fight or flight) 1. can be thought as an arousal phase or fight / flight phase. 2. counter homeostatic: body is getting ready to counteract something b. it prepares the body"s resources.
