Chapter 6: States of Consciousness

Learning Objectives

  • Draw a graphic showing the usual phases of sleep during a normal night and notate the characteristics of each phase.
  • Review the disorders that affect sleep and the costs of sleep deprivation.
  • Outline and explain the similarities and differences among the different theories of dreaming.
  • Summarize the major psychoactive drugs and their influences on consciousness and behaviour.
  • Review the evidence regarding the dangers of recreational drugs.
  • Review the ways that people may alter consciousness without using drugs.