PSYCH-220 Lecture Notes - Lecture 19: Somatic Marker Hypothesis, Phineas Gage, Neocortex
28 Sep 2020
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Higher cognitive functions (why is it neocortex) Pleasant emotions (left) & unpleasant emotions (right) Idea that problem solving and decision making is necessarily affected by emotionality via trade-offs. Treat pathological levels of agitation & emp arousal. Post- surgical observations consistent with brain damage. Personality depends on the balance of humors (blood, black bile, yellow bile, phlegm) Well no, but the mind is clearly affected by chemical: balances in the body & brain. Chemicals that travel across the synapse between neurons & cause excitatory/inhibitory effect. Biological substances that affect the body in locations different from where produced. Some diffs in avg levels associated with traits biochem of person. Involved in responding to reward and approaching attractive objects (& people) Related to sociability, general activity level, and novelty seeking. Possible relation w/ bipolar disorder, extraversion, and impulsivity. Individual differences in development of nerve cells that produce and are responsive to dopamine. Related to plasticity (e/o) biochem of person.
