PSY 346 Lecture Notes - Lecture 4: Catecholamine, Telomere, Libido
Document Summary
Overview of the stress response: autonomic nervous system. Sympathe?c nervous system is ac?vated: fight or ight response ac?vated, release of catecholamines (e. g. , epinephrine) Parasympathe?c nervous system suppressed: calm, vegeta?ve ac?vity suppressed (e. g. , energy storage, hypothalamic pituitary adrenocor?cal (hpa) axis. Stress appraisal: threat: demands are greater than resources. Hpa response: challenge: resources are greater than demands. Some types of short-term stressors lead to a larger cor?sol response: uncontrollable stressors, threats to one"s self-esteem or social status. It may be di erent for chronic stressors (dickerson & kemeny, 2002) What does stress do to your body: mobilizes energy, raises heart rate/blood pressure. What does stress do to your body: mobilizes energy. Glucose: slows diges?on, slows growth, slows reproduc?on, blunts pain, speeds aging, suppresses immune system. What does stress do to your body: mobilizes energy, raises heart rate/blood pressure: Heart diseases; stroke: slows diges?on, slows growth, slows reproduc?on, blunts pain, speeds aging, suppresses immune system.
