Mechanisms of Motivation and Emotion
Gray (Peter)
Source: Gray (Peter) - Psychology, Chapter 6
Paper - Abstract

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Learning Objectives

After completing Chapter 6, students should be able to:

  1. Compare drive with incentive, explaining how they complement and interact with each other.
  2. Explain homeostasis and its importance in distinguishing between regulatory and non-regulatory drives.
  3. Distinguish between the five categories of drives, and describe the role of the hypothalamus as the hub of a central drive system.
  4. Discuss evidence that dopamine is a neurotransmitter in a reward pathway that is also involved in the rewarding effect of drugs, and explain the relation between brain-stimulation, reward and natural drives.
  5. Explain how brain stimulation is used to study drives.
  6. Discuss the role of the hypothalamus in the control of hunger.
  7. Discuss several other factors, both internal and external, that influence hunger.
  8. Discuss the factors that determine body weight, and discuss how dieting and exercise affect basal metabolism.
  9. Discuss how testosterone affects the male sex drive.
  10. Describe how the ovarian cycle affects sex drive in females.
  11. Describe the effects of the presence or absence of testosterone on the fetus1, and outline the evidence for the origins of human sexual orientation.
  12. Identify the EEG patterns for the different sleep2 stages and the differences between REM and slow-wave sleep3.
  13. Describe two theories about the function of sleep4, and discuss evidence that sleep5 is governed by an internal clock, noting how sleep6 deprivation affects behavior.
  14. Discuss evidence for the theory that REM sleep7 may function to maintain brain circuits and consolidate new learning.
  15. Describe the brain mechanisms that control sleep8, citing the evidence for these mechanisms.
  16. Discuss several theories of emotion, citing evidence relevant to each theory.
  17. Discuss evidence that the amygdala and frontal lobes are involved in the generation and subjective experience of emotions.


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