PSYCH 202 Lecture Notes - Lecture 25: Parasympathetic Nervous System, Autonomic Nervous System, Sympathetic Nervous System
13 Feb 2018
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Document Summary
What are emotions: physiological arousal + expressive behavior + conscious experience = "emotions, a subjective mental state that is usually accompanied by distinctive behaviors as well as involuntary physical changes. Stimulus -> perception/interpretation -> autonomic/physiological response pattern -> emotion: bodily response evokes emotional experience, bottom-up theory, emotion results from visceral signals. Stimulus -> perception/interpretation -> autonomic/physiological response and emotion (simultaneously: bodily response and emotional experience are simultaneous, key features emphasized, top-down control, single-integrated system for emotion. Models of emotion & physiology: schachter-singer theory (2 factor: physiological stimulus -> perception of bodily reaction -> emotional state. Situational context -> cognitive interpretation -> emotional state. Interpret our arousal by thinking about what those sensations are indicating. "activates" the body for action: parasympathetic nervous system, acts as the "rest & digest" system, prepares the body to relax and recuperate. Role of the amygdala in fear processing: amygdala, group of nuclei in the anterior part of the temporal lobe.
