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C. A. Schad, J. B. Justice Jr. and S. G. Holtzman, “En dogenous Opioids in Dopaminergic Cell Body Regions Modulate Amphetamine-Induced Increases in Extracellu lar Dopamine Levels in the Terminal Regions,” Journal of Pharmacology and Experimental Therapeutics, Vol. 300, No. 3, 2002, pp. 932-938. doi:10.1124/jpet.300.3.932

has been cited by the following article:

• TITLE: Amphetamine Conditioned Place Preference in Planarians

  AUTHORS: Robert B. Raffa, Sumira Shah, Christopher S. Tallarida, Scott M. Rawls

  KEYWORDS: Amphetamine; Conditioned Place Preference; Drug Abuse; Planaria

  JOURNAL NAME: Journal of Behavioral and Brain Science, Vol.3 No.1, February 27, 2013

  ABSTRACT: Meth- and other amphetamines currently present major drug-abuse concerns. However, the demonstration and study of abuse-related behaviors expressed in animal models is expensive and time-consuming. We previously reported a novel model of conditioned place preference (CPP), which is a standard tool in abuse research, in invertebrates (planarians). In the present study, planarians were tested for light/dark preference, then exposed for 5 min to either d-amphetamine or vehicle (water) in light and then re-tested for place preference (light vs dark). The planarians’ natural strong preference for dark (15 of 16) was significantly altered by amphetamine experience, such that 12 of 16 preferred the unnatural, but amphetamine-associated, light side. These results extend the demonstration of CPP to this invertebrate species and provide further evidence in support of this model to testing/screening amphetamine-like and possibly other drugs of abuse.