Definition of "psychostimulant" [psychostimulant]

• Tending to increase mental alertness and awareness (adjective)
• A drug that acts to temporarily increase mental alertness or awareness (noun)

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• "Stimulant medication refers to psychostimulant medication, sometimes amphetamines such as dextroamphetamine (trade name, Dexedrine) but more often methylphenidate (trade name, Ritalin)."
• "The increased sensitivity to the psychostimulant is a long-lasting brain effect that can be a component of addiction, Hoebel said."
• "Resting on a wooden dais throughout the ceremony, the synthetic psychostimulant was warmly praised by Harvard president Drew Faust, who called Adderall a stirring testament to what the human mind can achieve when chemically altered by a combination of dextroamphetamine and racemic DL-amphetamine salts."