Psychology Exam 3 Review

Psychology Exam 3 - Psychology Exam 3 Review Chapter 9 Motivation and Emotion 1 Motivational Theories and Concepts a Motives are needs wants

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Psychology Exam 3 Review Chapter 9: Motivation and Emotion 1. Motivational Theories and Concepts a. Motives are needs, wants, interests, and desires that propel people in a certain direction. i. Motivation involves goal-directed behavior b. Drive Theories i. Homeostasis 1. a state of physiological equilibrium or stability 2. ex: Body temp (98.6) a. sweating/shivering to regulate temperature ii. A drive is an internal state of tension that motivates an organism to engage in activities that should reduce this tension c. Incentive Theories i. An incentive is an external goal that has the capacity to motivate behavior (e.g. ice cream, juicy steak, an A on an exam) ii. Drive and Incentive is push versus pull d. Evolutionary Theories i. Evolutionary analyses of motivation are based on the premise that motives can best be understood in terms of the adaptive problems they have solved over the course of human history 1. Men feel a bigger need to be dominant than women do a. Females may prefer mating with dominant males b. Dominant males may take females from lesser males c. Intimidation factor d. More material resources ii. Affiliation motive 1. need for belongingness 2. The Motivation of Hunger and Eating a. Brain Regulation of Hunger i. Controlled in the hypothalamus 1. If lateral hypothalamus was destroyed the animals showed no interest in eating 2. When the ventromedial nucleus of the hypothalamus was destroyed the animals ate excessively ii. Current theories of hunger focus more on the neural circuts that pass through the hypothalamus rather than on anatomical centers in the brain. b. Glucose and Digestive Regulation i. Glucose is a simple sugar that is an important source of energy ii. Huger is regulated by the rise and gall of blood glucose levels according to Jean Mayer iii. Glucostats – neurons sensitive to glucose in the surrounding fluid of the brain. iv. The stomach sends messages to the brain to indicate when it is full 1. Vagus nerve carries info about the stretching of the stomach walls that indicate when the stomach is full 2. Other nerves tell the brain how rich in nutrients the contents of the stomach are c. Hormonal Regulation i. Insulin is secreted by the pancreas 1. inadequate supply causes diabetes 2. insulin in linked to increase of hunger ii. Leptin is produced by fat cells and released into the blood stream 1. When leptin levels are high, you feel less hungry d. Environmental Factors in Hunger Regulation i. Three key factors 1. Food availability and Related cues a. People eat because its pleasurable 2. learned preference and habits a. Different cultures eat a variety of different foods 3. stress a. negative emotions cause people to eat i. they think the enjoyable taste of food will make them feel better 3. Sexual Motivation and Behavior a. The human sexual response
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i. Excitement Phase 1. level of physical arousal escalates rapidly 2. Vasocongestion – Engorgement of blood vessels a. Erections ii. Plateau Phase 1. Tightening of vaginal entrance as clitoris withdraws under the clitoral hood
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This test prep was uploaded on 04/01/2008 for the course PSY 101 taught by Professor Coffe during the Fall '08 term at Wisconsin.

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Psychology Exam 3 - Psychology Exam 3 Review Chapter 9 Motivation and Emotion 1 Motivational Theories and Concepts a Motives are needs wants

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