Psychology 2221B Chapter Notes - Chapter 17: Phagocyte, Adrenalectomy, White Blood Cell
11 Mar 2017
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Chapter 17- biopsychology of emotion, stress and health: Early landmarks in the biopsychological investigation of emotion: phineas gage= damage to medial prefrontal lobes, involved in planning and emotion= dramatic personality and emotional life changes. Sham rage: decorticate cats- cats cortex removed- respond aggressively to slightest provocation. Inappropriately severe and not directed particular targets: can"t be elicited if hypothalamus removed= critical expression aggressive responses and function cortex to inhibit and direct these responses. Limbic system and emotion: papez (1937)- emotional expression controlled several interconnected nuclei and tracts ring thalamus, emotional states expressed through action other structures of circuit on hypothalamus and experienced through action on cortex. Kluver-bucy syndrome: remove anterior temporal lobes (monkeys)= striking syndrome increased sexual activity inappropriate objects, tendency repeatedly investigate familiar objects with mouth, lack fear, bilateral anterior temporal lobectomy= no fear whatsoever, damage to amygdala. Emotions and facial expressions: ekman compiled atlas facial expressions normally associated with different emotions.
