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    Please use this identifier to cite or link to this item: https://nccur.lib.nccu.edu.tw/handle/140.119/19816


    Title: Development of conditioned place preference induced by intra-accumbens infusion of amphetamine is attenuated by co-infusion of dopamine D1 and D2 receptor antagonists
    Authors: Liao, Ruey-Ming
    廖瑞銘
    Contributors: 國立政治大學心理學系
    Keywords: Nucleus accumbens;Dopamine receptor subtypes;SCH23390;Raclopride;Drug reward;Place conditioning
    Date: 2008-03
    Issue Date: 2008-12-29 15:34:23 (UTC+8)
    Abstract: The present study investigated the role of dopamine receptors within the nucleus accumbens in place conditioning induced by D-amphetamine. Previous work has shown that conditioned place preference can be established by intra-accumbens infusion of amphetamine. The present study further examined whether bilateral co-infusion of the selective dopamine receptor antagonists with D-amphetamine into this region would disrupt the development of conditioned place preference induced by intra-accumbens amphetamine treatment. Bilateral infusions of D-amphetamine into the nucleus accumbens at the dose of 10 microg per side significantly induced conditioned place preference. At the tested doses of 1 microg and 10 microg, either the selective D1 dopamine receptor antagonist (SCH23390) or the selective D2 dopamine receptor antagonist (raclopride) infused with the high dose into the nucleus accumbens significantly blocked the development of conditioned place preference induced by intra-accumbens amphetamine treatment. Furthermore, the sole infusion of SCH23390 or raclopride into the nucleus accumbens produced little or no place conditioning effect. It is concluded that the dopamine D1 and D2 receptors in the nucleus accumbens are critically involved in the development of amphetamine induced conditioned place preference.
    Relation: Pharmacology, Biochemistry and Behavior, 89(3), 367-373
    Data Type: article
    DOI link: http://dx.doi.org/10.1016/j.pbb.2008.01.009
    DOI: 10.1016/j.pbb.2008.01.009
    Appears in Collections:[Department of Psychology] Periodical Articles

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