Differential temporal dynamics of serum and brain cocaine: relationship to behavioral, neuroendocrine and neurochemical cocaine induced responses.


Rats administered cocaine 10 mg/kg i.p. exhibited hyperlocomotion which occurred within 5 min post injection. Subsequently, rats were injected with 10 mg/kg cocaine and brain and serum concentrations of cocaine were measured at 5, 10, and 20 min post injection. Within this time frame, cocaine concentration in limbic brain tissue was maximal at 5 min post… (More)


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