Learning Objectives

After reading this chapter, you will be able to:

  • Summarize the psychological theories of motivation.
  • Describe how temperature regulation and thirst reflect the concept of homeostasis.
  • Explain the role of taste in choices of food.
  • Identify the brain signals that control when we begin and end eating.
  • Compare the roles of environment and heredity in risk for obesity.
  • Examine how the environment and genetics impact risk for disordered eating.
  • Discuss the role of neurotransmitters in eating disorders.