PSY-B - Psychology PSY-B 320 Lecture Notes - Lecture 33: Nucleus Accumbens, Epigenetics, Nicotine
28 Mar 2017
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Cognitive factors and control of eating: amygdala. Projects to the hypothalamus; damage alters food preferences and abolishes taste-aversion learning: orbital prefrontal cortex. Receives input from the olfactory bulb; damage may result in decreased eating because of diminished sensory responses to food odor and perhaps taste highly variable depending on conditions. The 3-3-3 (cid:862)rule(cid:863): 3 (cid:373)i(cid:374)utes (cid:449)ithout air, 3 days without water, and 3 weeks without. Esse(cid:374)tial ho(cid:373)eostati(cid:272) (cid:373)e(cid:272)ha(cid:374)is(cid:373)s (cid:272)o(cid:374)trol the (cid:271)od(cid:455)"s (cid:449)ater/(cid:272)he(cid:373)i(cid:272)al le(cid:448)els (cid:449)ithi(cid:374) (cid:374)arro(cid:449) limits food. Results from an increased concentration of chemicals, known as solutes (e. g. , salt), in body fluids. Produced by a loss of overall fluid volume from the body (e. g. , from blood loss or vomiting) Drink fluids, other than water, to restore nutrients (e. g. , gatorade) Controlling sexual behavior: notwithstanding procreation, which is essential to the survival of the species, sexual behavior is nonregulatory, effects of sex hormones on the brain.
