PSYC 110 Chapter Notes - Chapter 11: Medial Forebrain Bundle, Nucleus Accumbens, Addiction

• School: Emory University
• Department: Psychology
• Course: PSYC 110
• Professor: Andrew Kazama

Document Summary

Directed towards incentives/reinforcers/rewards/goals: homeostasis: constancy of internal conditions that body must actively maintain. Regulatory drive: one that helps preserve homeostasis (hunger) Nonregulatory drive: one that serves some other purpose (sex: evolutionary perspective. Safety drives: motivate animal to avoid, escape, fend off dangers (fear, anger) Reproductive drives: (sex, drive to care for young) Social drives: require cooperation of others to survive (friendship, acceptance, approval) Educative drives: play, explore: there are also drives that seem not to promote survival/repro -- pursuit of art/music/lit, drives as states of the brain. Central-state theory of drives: diff drives correspond to neural activity in diff sets of neurons in the brain. Hypothalamus = hub of central drive system: reward mechanisms of the brain, three components of reward: liking, wanting, and reinforcement. Liking: subjective feeling of pleasure/satisfaction that occurs when one receives a reward: wanting: desire to obtain a reward.