OT 335 Study Guide - Quiz Guide: Intralaminar Nuclei Of Thalamus, Parasympathetic Nervous System, Adrenal Gland
15 Mar 2018
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Document Summary
Role of thalamus in fear/stress: receives sensory signal. Role of amygdala in fear/stress: active in detecting and responding to threats. Role of hypothalamus in fear/stress: activates ans, specifically parasympathetic nervous system. Role of hippocampus in fear/stress: assists in retrieving memories about similar situations. Role of prefrontal cortex in fear/stress: (cid:862)thinks(cid:863) about situation. Routes info takes to amygdala there are two: fast and dirty: stimulus thalamus amygdala, slow and accurate: stimulus thalamus sensory cortex amygdala. Increase in heart rate and respiration: general effect on sphincters of the body, diversion of blood to the muscles, dilation of pupils, relaxation of bladder. Ibs: damages to organs throughout body, high blood pressure, acne, loss of hair, fatigue, muscle tension, atherosclerosis heart attack/stroke. Orthostatic hypotension: quick drop in blood pressure upon standing, one cause: impairment of baroreceptor reflex which leads to pooling of blood in extremities, prevent: move slowly from supine to sit to stand, treatment: lay client down.
