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  2. Stimulant psychosis - Wikipedia

    en.wikipedia.org/wiki/Stimulant_psychosis

    Stimulant psychosis is a mental disorder characterized by psychotic symptoms (such as hallucinations, paranoid ideation, delusions, disorganized thinking, grossly disorganized behaviour). It involves and typically occurs following an overdose or several day binge on psychostimulants , [ 1 ] although it can occur in the course of stimulant ...

  3. Stimulant - Wikipedia

    en.wikipedia.org/wiki/Stimulant

    Stimulants can affect various functions, including arousal, attention, the reward system, learning, memory, and emotion. Effects range from mild stimulation to euphoria, depending on the specific drug, dose, route of administration, and inter-individual characteristics. Stimulants have a long history of use, both for medical and non-medical ...

  4. Nootropic - Wikipedia

    en.wikipedia.org/wiki/Nootropic

    In 2008, stimulants, such as caffeine, were the most commonly used nootropic agent. [15] In 2016, the American Medical Association adopted a policy to discourage prescriptions of nootropics for healthy people, on the basis that the cognitive effects appear to be highly variable among individuals, are dose-dependent, and limited or modest at ...

  5. Psychoactive drug - Wikipedia

    en.wikipedia.org/wiki/Psychoactive_drug

    A psychoactive drug, mind-altering drug, or consciousness-altering drug is a chemical substance that changes brain function and results in alterations in perception, mood, consciousness, cognition, or behavior. [1] The term psychotropic drug is often used interchangeably, while some sources present narrower definitions.

  6. Psychopharmacology - Wikipedia

    en.wikipedia.org/wiki/Psychopharmacology

    Cocaine is one of the more common stimulants and is a complex drug that interacts with various neurotransmitter systems. It commonly causes heightened alertness, increased confidence, feelings of exhilaration, reduced fatigue, and a generalized sense of well-being.

  7. Psychiatric medication - Wikipedia

    en.wikipedia.org/wiki/Psychiatric_medication

    A stimulant is a drug that stimulates the central nervous system, increasing arousal, attention and endurance. Stimulants are used in psychiatry to treat attention deficit-hyperactivity disorder . Because the medications can be addictive, patients with a history of drug abuse are typically monitored closely or treated with a non-stimulant.

  8. Recreational drug use - Wikipedia

    en.wikipedia.org/wiki/Recreational_drug_use

    Use of stimulants may cause the body to significantly reduce its production of endogenous compounds that fulfill similar functions. Once the effect of the ingested stimulant has worn off the user may feel depressed, lethargic, confused, and dysphoric. This is colloquially termed a "crash" and may promote reuse of the stimulant.

  9. Reward system - Wikipedia

    en.wikipedia.org/wiki/Reward_system

    The reward system (the mesocorticolimbic circuit) is a group of neural structures responsible for incentive salience (i.e., "wanting"; desire or craving for a reward and motivation), associative learning (primarily positive reinforcement and classical conditioning), and positively-valenced emotions, particularly ones involving pleasure as a core component (e.g., joy, euphoria and ecstasy).