Chapter 9: Motivation And Emotion Flashcards
Motives
An internal force that leads an individual to behave in a particular way.
Instinct
A genetically endowed tendency to behave in a particular way.
Homeostasis
The body’s tendency to maintain internal equilibrium through various forms of self-regulation.
Drive
A state of internal bodily tension, such as hunger or thirst or the need for sleep.
Pain matrix
A distributed network of brain regions, including the amygdala, that respond to many types of pain.
Intrinsically rewarding
Being pursued for its own sake.
Extrinsically rewarding
Being pursued because of rewards that are not an inherent part of the activity or object.
Glucostatic hypothesis
The hypothesis that hunger and eating are regulated by the body’s monitoring and adjustment of blood glucose levels.
Lipostatic hypothesis
The hypothesis that adipose tissue plays an important role in governing hunger and regulating longer-term energy balance.
Body weight set point
The weight an organism will seek to maintain despite alterations in dietary intake.
Metabolic rate
The rate at which the body uses energy.
Unit bias
The amount of food that is regarded as a single serving.
Anorexia nervosa
An eating disorder characterized by an extreme concern with being overweight and by compulsive dieting, sometimes to the point of self-starvation
Bulimia nervosa
An eating disorder characterized by repeated binge-and-purge bouts.
Binge-eating-disorder
An eating disorder characterized by repeated episodes of binge eating without inappropriate compensatory behaviour
Body mass index (BMI)
A measure of whether someone is at a healthy weight or not; BMI is calculated as one’s weight in kilograms divided by the square of one’s height in meters.
Thrifty gene hypothesis
The evolutionary hypothesis that natural selection has favoured individuals with efficient metabolisms that maximize fat storage.
Estrus
A female mammal’s period of sexual receptivity