Psychology 1000 Study Guide - Midterm Guide: Body Mass Index, Kraft Dinner, Leptin

• School: Western University
• Department: Psychology
• Course: Psychology 1000
• Professor: Laura Fazakas- De Hoog

Document Summary

Control center is like a thermostat with a set point. Influences direction, persistence and vigor of goal-directed behavior: goals can be anything from being the best at x to simply getting something to eat , goal directed behavior. Instinct theory: inherited predisposition to act in specific, predictable way when encountering a stimulus: note: genetic basis not learning, all species have instincts they have survival value. Baby turtles the moment they are born they try to get into the ocean. They have never seen any other turtle do this they have an instinct to get to water: modern theories emphasize adaptive significance in human behavior. We are social creatures because being social produced fitness advantage trait was selected for. Homeostasis and drive theory: homeostasis: internally physiological equilibrium (balance) that the body strives to maintain. Response restore equilibrium: drive theory: disrupted homeostasis drives (internal tension) motivated to act in ways that reduce the tension (drive)