chapter 11 Flashcards
motivation
concerns the physiological and psychological processes underlying the initiation of behaviors that direct organism toward specific goals.
drives
stimulations that our brain generates to push us to address basic biological needs
homeostasis
our body’s physiological processes that allow it to maintain consistent internal states in response to the out environment
allostasis
motivation is not only influenced by current needs, but also by the anticipation of future needs
what signals us to stop eating?
ventromedial region of the hypothalamus
satiation
the experience of being full and uninterested in eating any more.
glucose
sugar that serves as a primary energy source for the brain and the rest of the body.
cholecystokinin
when we eat expansion of our intestines stimulates neurons to release
unit bias
the tendency to assume that the unit of sale or portioning is an appropriate amount to consume
social facilitation
eating more.
dinner hosts encourage guests to take second and third helpings
minimal eating norm
eating small amounts to avoid seeming rude.
modeling
eating whatever their eating,
obesity
an eating disorder in which people consume more food than they require to sustain their biological processes
anorexia nervosa
eating disorder than involves self-starvation and intense fear of weight gain and dissatisfaction of owns body
bulimia nervosa
- eating disorder that is characterized by periods of food deprivation, binge-eating, and purging.
- more likely to enter treatment programs.
reproduction suppression hypothesis
eating disorders that result in low body fat may be a way for women to reduce the change of becoming pregnant when they are under stress or when they do not feel ready or well-supported
sex drives
the human for sexual contact represents a basic biological need. the drive that motivates us to seek out sexual contact is called ubido
Alfred Kinsey
interviewed his students about their sexual histories
what are reasons people have sex
- for physical reasons
- to help attain a goal
- for emotional reasons
- because of insecurity
William masters and Virginia Johnson
- first research study on sexual human response in the 1950s
- sexual response cycle:
1. excitement
2. plateau
3. orgasm
4. resolution
orgasm and resolution
-the hypothalamus generates the orgasm the point of intense pleasure and release during the sexual response cycle in both men and women