Chapter 10 Flashcards
wants or needs that direct behavior toward some goal
Motivation
motivation based on internal feelings rather than external rewards
Intrinsic motivation
motivation that arises from external factors or rewards
Extrinsic motivation
species-specific pattern of behavior that is unlearned
Instinct
deviations from homeostasis create physiological needs that result in psychological drive states that direct behavior to meet the need and ultimately bring the system back to homeostasis
Drive theory
pattern of behavior in which we regularly engage
Habit
simple tasks are performed best when arousal levels are relatively high, while complex tasks are best performed when arousal is lower
Yerkes-Dodson law
individual’s belief in his own capabilities or capacities to complete a task
Self-efficacy
spectrum of needs ranging from basic biological needs to social needs to self-actualization
Hierarchy of needs
fullness; satisfaction
Satiation
satiety hormone
Leptin
amount of energy that is expended in a given period of time
Metabolic rate
assertion that each individual has an ideal body weight, or set point, that is resistant to change
Set-point theory
adult with a BMI between 25 and 29.9
Overweight
adult with a BMI of 30 or higher
Obese
adult with a BMI over 40
Morbid obesity
type of surgery that modifies the gastrointestinal system to reduce the amount of food that can be eaten and/or limiting how much of the digested food can be absorbed
Bariatric surgery
type of eating disorder characterized by binge eating followed by purging
Bulimia nervosa
type of eating disorder characterized by binge eating and associated distress
Binge eating disorder
eating disorder characterized by an individual maintaining body weight that is well below average through starvation and/or excessive exercise
Anorexia nervosa
individuals view themselves as overweight even though they are not
Distorted body image
emotional and erotic attraction to same-sexed individuals, opposite-sexed individuals, or both
Sexual orientation
emotional and erotic attractions to same-sexed individuals
Homosexual
emotional and erotic attractions to opposite-sexed individuals
Heterosexual