drug habituation

  • 51Opponent-process theory — For its application to color theory, see Opponent process. Opponent process theory is a universal psychological and neurological model proposed by Ewald Hering to account for a wide range of behaviors including color vision; this model was… …

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  • 52Sensitization — is an example of non associative learning in which the progressive amplification of a response follows repeated administrations of a stimulus (Bell et al., 1995). An everyday example of this mechanism is the repeated tonic stimulation of… …

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  • 53Levorphanol — Systematic (IUPAC) name 17 methylmorphinan 3 ol Clinical data Trade names Levo dromoran …

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  • 54E. Morton Jellinek — Infobox Scientist name = PAGENAME box width = image width =150px caption = PAGENAME birth date = 15 August, 1890 birth place = New York City death date = 22 October, 1963 death place = Stanford University residence = citizenship = nationality =… …

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  • 55Addiction — Uncontrollable craving, seeking, and use of a substance such as a drug or alcohol. Dependence is such a point that stopping is very difficult and causes severe physical and mental reactions. * * * Habitual psychological and physiologic dependence …

    Medical dictionary

  • 56Aristotle: Ethics and politics — Roger Crisp ETHICS BACKGROUND AND METHOD Aristotle wrote no books on ethics. Rather, he gave lectures, the notes for which subsequently were turned by others into two books, the Nicomachean Ethics (NE) and the Eudemian Ethics (EE). There is much… …

    History of philosophy

  • 57dependance — noun 1. being abnormally tolerant to and dependent on something that is psychologically or physically habit forming (especially alcohol or narcotic drugs) • Syn: ↑addiction, ↑dependence, ↑dependency, ↑habituation • Derivationally related forms:… …

    Useful english dictionary

  • 58Sleep — Waking up redirects here. For other uses, see Waking Up (disambiguation). This article is about sleep in general; for specifically non human sleep see Sleep (non human); for other uses, see Sleep (disambiguation). Sleeping child Sleep is a… …

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  • 59Reticular formation — Brain: reticular formation Coronal section of the pons, at its upper part. (Formatio reticularis labeled at left.) …

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  • 60Migraine — Classification et ressources externes La douleur d une migraine peut parfois être intense. CIM 10 …

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