PSYCH 215 Lecture Notes - Lecture 8: Autonomic Nervous System, Endocrine System, Stressor
2 Mar 2017
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Stress: stressor: an event that creates a demand on the person, stress response, how we react to those demands, how we appraise the event and our capacity to react effectively. When stressors are threatening, activates arousal, and sense of fear. Releases neurotransmitters that activate the: autonomic nervous system (ans) Connects the central nervous system to other organs (contains the sympathetic and parasympathetic nervous systems: endocrine system. Network of glands throughout the body which release hormones. The ans and endocrine system produce arousal and fear responses through: sympathetic nervous system, hypothalamic-pituitary-adrenal pathway (hpa) Together, create fight, flight, or freeze response. Hypothalamus releases hormones that activate the pituitary gland. Release adrenocorticotropic (acth) hormone which activates the adrenal cortex. Trait anxiety: general level that someone tends to have. Sensitization of the hpa-axis from early life experiences. Dms 5: exposure to actual or threatened death, serious injury, or sexual violation: not every exposure is traumatic Can depend on the context and individual.
