Psychology Exam 3 Review - Psychology Exam 3 Review Chapter...

Info icon This preview shows pages 1–3. Sign up to view the full content.

View Full Document Right Arrow Icon
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
Image of page 1

Info icon This preview has intentionally blurred sections. Sign up to view the full version.

View Full Document Right Arrow Icon
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 2.
Image of page 2
Image of page 3
This is the end of the preview. Sign up to access the rest of the document.

{[ snackBarMessage ]}

What students are saying

  • Left Quote Icon

    As a current student on this bumpy collegiate pathway, I stumbled upon Course Hero, where I can find study resources for nearly all my courses, get online help from tutors 24/7, and even share my old projects, papers, and lecture notes with other students.

    Student Picture

    Kiran Temple University Fox School of Business ‘17, Course Hero Intern

  • Left Quote Icon

    I cannot even describe how much Course Hero helped me this summer. It’s truly become something I can always rely on and help me. In the end, I was not only able to survive summer classes, but I was able to thrive thanks to Course Hero.

    Student Picture

    Dana University of Pennsylvania ‘17, Course Hero Intern

  • Left Quote Icon

    The ability to access any university’s resources through Course Hero proved invaluable in my case. I was behind on Tulane coursework and actually used UCLA’s materials to help me move forward and get everything together on time.

    Student Picture

    Jill Tulane University ‘16, Course Hero Intern