habituation

1. The process of forming a habit, referring generally to psychological dependence on the continued use of a drug to maintain a sense of well-being, which can result in drug addiction. 2. The method by which the nervous system reduces or inhibits responsiveness during repeated stimulation.

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ha·bit·u·a·tion -.bich-ə-'wā-shən n
1) the act or process of making habitual or accustomed
2 a) tolerance to the effects of a drug acquired through continued use
b) psychological dependence on a drug after a period of use compare ADDICTION
3) a form of nonassociative learning characterized by a decrease in responsiveness upon repeated exposure to a stimulus compare SENSITIZATION (3)

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n.
1. (in psychology) a simple type of learning consisting of a gradual waning response by the subject to a continuous or repeated stimulus that is not associated with reinforcement.
2. (in pharmacology) the condition of being psychologically dependent on a drug, following repeated consumption, marked by reduced sensitivity to its effects and a craving for the drug if it is withdrawn. See also dependence.

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ha·bit·u·a·tion (hə-bich″u-aґshən) 1. the gradual adaptation to a stimulus or to the environment. 2. extinction or decrease of a conditioned reflex over time by repetition of the conditioned stimulus. 3. an older term used in describing habitual drug use, used sometimes to denote drug tolerance (see under tolerance) and other times to denote psychological but not physical dependence on a drug as a consequence of repeated consumption, with a desire to continue its use but with little or no tendency to increase the dose.

Medical dictionary. 2011.

Look at other dictionaries:

  • Habituation — (v. lat.: habituari: etwas an sich haben bzw. habitus: Aussehen, Haltung ; Adjektiv habituell: zur Gewohnheit geworden ) bezeichnet eine einfache (und beim Menschen in der Regel nicht bewusste) Form des Lernens. Habituation setzt ein, wenn ein… …   Deutsch Wikipedia

  • habituation — [ abitɥasjɔ̃ ] n. f. • v. 1960; « formation d une habitude » XVIe; de habituer 1 ♦ Didact. Fait de s habituer (à qqch.). Habituation aux bruits d aéroport. 2 ♦ (1967; d apr. l angl.) Psychol. Disparition progressive de réponse à un stimulus… …   Encyclopédie Universelle

  • Habituation — Ha*bit u*a tion (h[.a]*b[i^]t [ u]*[=a] sh[u^]n), n. [Cf. F. habituation.] The act of habituating, or accustoming; the state of being habituated. [1913 Webster] …   The Collaborative International Dictionary of English

  • Habituation — Habituation, die Stelle eines Pfarrgehülfen …   Pierer's Universal-Lexikon

  • habituation — I noun acclimation, acclimatization, accustoming, adaptation, adjustment, conditioning, confirmed habit, customariness, familiarization, inurement, inveteracy, inveterate habit, inveterateness II index behavior, custom, practice (custom) …   Law dictionary

  • Habituation — ⇒ Gewöhnung …   Deutsch wörterbuch der biologie

  • habituation — (n.) mid 15c., from M.L. habituationem, noun of action from habituare (see HABITUATE (Cf. habituate) (v.)) …   Etymology dictionary

  • habituation — Habituation, Assuetudo, Consuetudo …   Thresor de la langue françoyse

  • Habituation — En psychologie, l habituation constitue une forme d apprentissage. Elle consiste en la diminution graduelle (et relativement prolongée) de l intensité ou de la fréquence d apparition d une réponse suite à la présentation répétée ou prolongée du… …   Wikipédia en Français

  • Habituation — In psychology, habituation is the psychological process in humans and animals in which there is a decrease in behavioral response variation to a stimulus after repeated exposure to that stimulus over a duration of time. Background Habituation is… …   Wikipedia

  • Habituation — Ha|bi|tu|a|ti|on 〈f. 20; Psych.〉 1. Gewöhnung 2. Abnahme von Reaktionen auf häufig wiederkehrende Reize [<engl. habituation „Gewöhnung“] * * * Ha|bi|tu|a|ti|on, die; , en [engl. habituation]: a) (Psychol.) Gewöhnung; b) (bildungsspr.)… …   Universal-Lexikon

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