PSYC10003 Lecture Notes - Lecture 9: Decision-Making, Limbic System, Cortical Blindness

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Psyc10003 mbb1 notes // the neural basis of emotion. Emotion: patterns of physiological response (humans experience these as "feelings", the typical behaviours of a species, provide strong motivation to achieve certain goals, darwin proposed that emotions have an evolutionary significance. Response patterns: behavioural: muscular changes that are elicited by the appropriate situation, autonomic: physiological changes induced by the autonomic nervous system, to facilitate behavioural responses, hormonal: reinforce autonomic changes. The limbic system of emotion (proposed by papez, extended by. Mclean: this system includes the hypothalamus, anterior thalamus, cingulate gyrus, fornix and hippocampus (papez), amygdala orbitofrontal cortex and some nuclei frim the basal ganglia. Kl ver-bucy syndrome and the amygdala: bilaterally destroyed (ablation studies) the anterior temporal lobes in rhesus monkeys, functional deficits: impaired visual recognition, oral exploration (hyperphasia), impulsive and stereotyped actions, aberrant sexual behaviour, asbsence of fear. The frontal lobe also plays a role in emotional functioning. (not really sure what tho)

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