PSYC 100 Chapter Notes -Medial Forebrain Bundle, Arcuate Nucleus, Basal Ganglia

• School: Queen's University
• Department: Psychology
• Course: PSYC 100
• Professor: Ingrid Johnsrude

Document Summary

The desires, needs, and interests that arouse and activate an organism to move towards a specific goal. Affects nature, strength and persistence of an individuals behaviour: motivational states, drives. Intrinsic motivation: motives that result from an internal need. Extrinsic motivation: motives that based on gaining a reward or avoiding an unpleasant consequence. Instinct: focuses on biological drives that seem to control and direct behaviour, unlearned and universal in species. Clark hull"s drive theory of motivation: suggested that motivated behaviour resulted from an internal drive. A tension or arousal that results from an unmet need. One can manipulate needs and measure level of motivation. Making an organism hungry increases arousal and therefore increases motivation: homwostasis. Motivated bejaviour is a form of drive reduction. Some external behaviours can override apparent homeostatic mechanisms. Hunger is the drive for eating: internal factors that influence eating behaviour. Arcuate nucleus appetite control center : external factors. Rewards: esb electrical stimulation in the brain.