psychoactive

/ˌsaɪkoʊˈæktɪv/
adjective
  1. Affecting the mind, mood, or mental processes.
    • The scientist studied how psychoactive compounds in certain plants affect brain function.
    • Caffeine is a mild psychoactive substance that helps many people feel more alert.
    • Many prescription medications have psychoactive effects that can alter a person's mood.