Drugs and Substances: Fresh Take

  • Describe how substance abuse disorders are diagnosed
  • Describe depressants and the impact of their use
  • Describe stimulants and the impact of their use
  • Describe opioids and the impact of their use
  • Describe hallucinogens and the impact of their use
  • Compare and contrast between depressants, stimulants, opioids, and hallucinogens

Altered States and Drugs

This CrashCourse video gives an excellent overview of how each of the classes of drugs affect your state of consciousness:

You can view the transcript “Altered States: Crash Course Psychology #10” here (opens in new window).