PSY260H1 Chapter Notes - Chapter 8: Matching Law, Behavioral Economics, Visual Cortex

• School: UTSG
• Department: Psychology
• Course: PSY260H1
• Professor: Suzanne Wood

Document Summary

Pre(cid:373)a(cid:272)k(cid:859)s rats spe(cid:374)t (cid:373)ore ti(cid:373)e ru(cid:374)(cid:374)i(cid:374)g tha(cid:374) eati(cid:374)g, (cid:271)ut when taught to drink a certain amount to gain access to wheel, they ran less and drank more. Parts of brain involved in learning motor skills are also involved in instrumental conditioning basal ganglia and motor cortex. Dopamine and reinforcement: encounters with food, sex, drugs, and secondary reinforcers triggers dopamine pathways, found even in aplysia. Incentive salience hypothesis role of dopamine based on how much you. Want? i. e. it provides you with the motivation to work for reinforcement; animals are willing to get the food re(cid:449)ard (cid:271)ut the(cid:455)(cid:859)re u(cid:374)(cid:449)illi(cid:374)g to (cid:449)ork for it. Rats; sugar pellet vs. chow, but only healthy rats are willing to work for sugar. Dopa(cid:373)i(cid:374)e release is highest (cid:449)he(cid:374) (cid:858)(cid:449)a(cid:374)ti(cid:374)g(cid:859) is stro(cid:374)gest (cid:894) ight (cid:271)efore rei(cid:374)for(cid:272)e is e(cid:454)pe(cid:272)ted(cid:895), lo(cid:449)est (cid:449)he(cid:374) (cid:858)(cid:449)a(cid:374)ti(cid:374)g(cid:859) is (cid:449)eakest (right after reinforcer has been given: reward prediction hypothesis dopamine is involved in predicting future reward.