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Fast-scan cyclic voltammetry (FSCV) is an electrochemical technique that permits the in vivo measurement of extracellular fluctuations in multiple chemical species. The technique is frequently utilized to sample sub-second (phasic) concentration changes of the neurotransmitter dopamine in awake and behaving rats. Phasic dopamine signaling is implicated in(More)
A common genetic polymorphism that results in increased activity of the dopamine regulating enzyme COMT (the COMT Val(158) allele) has been found to associate with poorer cognitive performance and increased susceptibility to develop psychiatric disorders. It is generally assumed that this increase in COMT activity influences cognitive function and(More)
Previous studies have suggested that food restriction can modify performance in the conditioned place preference (CPP) paradigm. In the present study, we tested the hypotheses that food restriction would enhance the development of a CPP to low-calorie sucrose pellets and that peripheral leptin replacement in food-restricted animals would reverse this(More)
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