Week 8 Notes - Psych 324
Week 8 Notes - Psych 324 Psych 324
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This 2 page Class Notes was uploaded by Allie S on Friday October 16, 2015. The Class Notes belongs to Psych 324 at Clemson University taught by Dr. Claudio Cantalupo in Fall 2015. Since its upload, it has received 34 views. For similar materials see Brain and Behavior Psychology in Psychlogy at Clemson University.
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Date Created: 10/16/15
I Emotion and the Nervous System a Ex out movere to move b movement of mind soul i feeling ex happiness 9 body s responses ex smiling somatic NS higher HR autonomic F d James Lange Theory late 1800s i Perception of specific patterns of physiological arousal specific emotional experience 1 I feel sad because I cry rather than I cry because I feel sad ii Cannon s criticism 1920 autonomic NS responds the same way in different emotions perception of physiological responses cannot account for variety of emotional experiences e Schachter and Singer 1962 Cognitive Theory i Identification of emotions relies on a cognitive assessment of the external stimulus situation ii Physiological arousal contributes only to the intensity of an emotion 1 epinephrine experiment f Distinctive patterns of autonomic activation among different emotions i Anger and sadness both elevate HR but only anger involves motor activation g Facial expressions as a source of emotional feedback i Holding a pen in your mouth and the Far Side cartoons control told to read cartoons and judge how funny they were while holding a pen between lips experimental told to hold the pen between front teeth without touching it with lips 5quot BOTH cognitive assessment of external stimuli and physiological feedback play a role in emotion II Emotion and the Limbic System a Limbic system complex system of subcortical structures i Electrical stimulation in animals produces threatening or defensive behaviors cats hissing bared teethclaws ii Electrical stimulation in humans evokes feelings of rage fear or pleasure i Electrical stimulation in humans evokes feelings of pleasure particularly sexual i Involved in perception of facial expressions of emotion especially fear ii Damage to amygdala removes fear and aggression in animals iii Stimulation produces fear and aggression iv Anti anxiety medications have some of their effects in the amygdala benzos V Damaged amygdala patients do not respond emotionally to rewards and punishments vi Major role in 1 Fear emotional reaction to a specific immediate threat 2 Anxiety apprehension about a future often uncertain event i Anterior cingulate cortex 1 Combines emotional attentional and bodily information to bring about conscious emotional experience i Lot of connections With limbic system uses emotional info from LS for decision making 1 Damage to PFC blunts emotional responding impairs ability to anticipate consequences of behavior long term consequences in particular III Emotion and Hemispheric Asymmetry a Left and right cerebral hemispheres can differ in i Anatomical structure structural asymmetry 1 Ex Broca s area larger in L hemisphere than in R ii Function performed functional asymmetry 1 Ex L hemisphere more involved in linguistic functions than R right side of mouth opens more than left b Right hemisphere more involved in emotional expression i Facial expression of emotion left side of face shows more emotion
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