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Structural plasticity of the brain to psychostimulant use
Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Pharmacy, Department of Pharmaceutical Biosciences.
2014 (English)In: Neuropharmacology, ISSN 0028-3908, E-ISSN 1873-7064, Vol. 87, 115-124 p.Article, review/survey (Refereed) Published
Abstract [en]

Over the past years it has become evident that repeated exposure to a variety of psychoactive stimulants, like amphetamine, cocaine, MDMA (3,4-methylenedioxy-N-methylamphetamine), methylphenidate and nicotine may produce profound behavioral changes as well as structural and neurochemical alterations in the brain that may persist long after drug administration has ceased. These stimulants have been shown to produce long-lasting enhanced embranchments of dendrites and increasing spine density in brain regions linked to behavioral sensitization and compulsive patterns characteristic of drug seeking and drug addiction. In this regard, addiction to stimulant drugs represents a compulsory behavior that includes drug seeking, drug use and drug craving, but is also characterized as a cognitive disorder. In this article, recent findings regarding the impact of central stimulants on plasticity in brain regions of relevance for addictive behavior will be highlighted. A particular focus will be given to changes in neuroplasticity that occur in areas related to memory and cognition. Possible routes for the reversal of altered brain plasticity will also be discussed. This article is part of the Special Issue entitled 'CNS Stimulants'. 

Place, publisher, year, edition, pages
2014. Vol. 87, 115-124 p.
Keyword [en]
Addiction, Amphetamine, Central stimulants, Cocaine, Cognition, MDMA, Neuroplasticity
National Category
Pharmaceutical Sciences
URN: urn:nbn:se:uu:diva-240831DOI: 10.1016/j.neuropharm.2014.07.004ISI: 000345478400013OAI: oai:DiVA.org:uu-240831DiVA: diva2:777216
Available from: 2015-01-08 Created: 2015-01-08 Last updated: 2015-01-08Bibliographically approved

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Nyberg, Fred
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