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Four Classes of Psychoactive Drugs

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Terms in this set (12)

  • What are examples of stimulant drugs?
    Amphetamines, methamphetamine (meth), cocaine, nicotine, caffeine.
  • What psychological effects do stimulants have?
    Increase behavior and mental activity.
  • Which neurotransmitter systems do stimulants primarily affect?
    Dopamine and norepinephrine.
  • What are examples of depressant drugs?
    Anti-anxiety drugs such as benzodiazepines and alcohol.
  • What psychological effects do depressants have?
    Decrease behavior and mental activity.
  • Which neurotransmitter system do depressants primarily affect?
    GABA.
  • What are examples of opioid drugs?
    Heroin, morphine, oxycodone, hydrocodone, codeine, fentanyl.
  • What psychological effects do opioids have?
    Reduce pain and bring pleasure.
  • Which neurotransmitter system do opioids primarily affect?
    Endorphins.
  • What are examples of hallucinogen drugs?
    LSD, peyote, psilocybin mushrooms, MDMA (also a stimulant), cannabis (can be stimulant or depressant).
  • What psychological effects do hallucinogens have?
    Change perceptions, thoughts, and emotions; MDMA and cannabis may also increase behavior and mental activity.
  • Which neurotransmitter systems do hallucinogens primarily affect?
    Serotonin (LSD, peyote, psilocybin), serotonin, dopamine, norepinephrine (MDMA), cannabinoid (cannabis).