11.1 Hunger and Eating Flashcards
Motivation
concerns the physiological and psychological processes underlying the initiation of behaviours that direct organisms toward specific goals
Homeostasis
the body’s physiological processes that allow it to maintain consistent internal states in response to the outer environment
Drive
a biological trigger that tells us we may be deprived of something and causes us to seek out what is needed, such as food or water
Incentives
the stimuli we week out in order to reduce drives
Allostasis
motivation that is not only influenced by current needs, but also by the anticipation of future needs caused by stress
Hypothalamus
a brain structure that regulates basic biological needs and motivational systems
Glucose
a sugar that serves as a primary energy source for the brain and the rest of the body
Satiation
the point int a meal where we are no longer motivated to eat
Unit bias
the tendency to assume that the unit of sale or portioning is an appropriate amount
Social facilitation
eating more to be polite
Impression management
eating less, good manners
Modelling
eating whatever they eat
Obesity
a disorder of positive energy balance, in which energy intake exceeds energy expenditure
Anorexia nervosa
eating disorder that involves self-starvation, intense fear of weight gain and dissatisfaction with one’s body, and denial of the serious consequences of severely low weight
Bulimia nervosa
an eating disorder that is characterized by periods of food deprivation, binge-eating, and purging
