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Schroeder, Jason P.; Packard, Mark G. – Learning & Memory, 2004
eThese experiments examined the effects of posttrial peripheral and intra-amygdala injections of the cholinergic muscarinic receptor agonist oxotremorine on memory consolidation underlying extinction of amphetamine conditioned place preference (CPP) behavior. Male Long-Evans rats were initially trained and tested for an amphetamine (2 mg/kg) CPP.…
Descriptors: Rewards, Memory, Behavior Modification, Biochemistry
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Smagula, Cynthia S.; Self, David W.; Choi, Kwang-Ho; Simmons, Diana; Walker, John R. – Learning & Memory, 2004
Cocaine produces multiple neuroadaptations with chronic repeated use. Many of these neuroadaptations can be reversed or normalized by extinction training during withdrawal from chronic cocaine self-administration in rats. This article reviews our past and present studies on extinction-induced modulation of the neuroadaptive response to chronic…
Descriptors: Learning Processes, Neurology, Animals, Drug Use