Intro to Psychology: Unit 3 Chapter 9 Flashcards
What are Motives?
Need, wants, interests, and desires that propel people towards behavior.
What is Motivation?
Goal-directed behavior
What is the DRIVE THEORY approach to motivation?
An internal state of tension that motivates an organism to engage in activities that should reduce this tension.
Ex: Sweating to cool down or turning on the fan
What is the INCENTIVE THEORY approach to motivation?
External goals that motivate ate behavior.
Ex: Ice cream is more of an incentive than a carrot to a child.
What is the EVOLUTIONARY THEORY approach to motivation?
Our drives are shaped by evolutionary pressures and serve the purpose of survival and reproduction.
Ex: Hunger and thirst motivate us to seek food and water
What are the 2 areas that are important in hunger?
Hypothalamus & Ventromedial Nucleus of the Hypothalamus
What is ghrelin?
A neurotransmitter in the nervous system and hormone in the endocrine system, that is associated with hunger and increased food intake.
When blood sugar goes ____, hunger goes _____
Down; up
What are Glucostats?
Neurons sensitive to glucose in the surrounding fluid.
What are hormones?
Chemical substances released by endocrine glands, circulating in the blood, and related to hunger.
What is Insulin?
A hormone that helps regulate blood sugar levels, enabling the body to use or store glucose for energy.
Increased insulin = increased hunger
What is Leptin?
Regulates long-term hunger response.
What are the 4 Food related cues (environmental factors)?
- Palatability
- Quantity
- Stress
- Exposure to food cues
What are 3 learned preferences and habits?
- Learned association (classical conditioning)
- Eating habits shaped (Observational Learning)
- Food preferences (exposure)
Who outlined the 4 stages in the sexual response cycle?
William Masters & Virginia Johnson