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    Brain Res. 1991 Jan 11;538(2):337-9.

    Apparent synaptic dopamine deficiency induced by withdrawal from chronic cocaine treatment.

    Source

    Department of Behavioral Medicine, University of Virginia School of Medicine, Charlottesville 22908.

    Abstract

    The effects on motor behavior and forebrain dopamine (DA) synaptic function of withdrawal from chronic cocaine treatment were examined with simultaneous activity monitoring and microdialysis in nucleus accumbens. Rats exhibited behavioral sensitization to daily 30 mg/kg i.p. cocaine. After 18 days of daily cocaine and 7 days of withdrawal, dialysate DA and homovanillic acid (HVA) levels were reduced 36-38%, consistent with a synaptic DA deficiency.

    PMID:
    2012975
    [PubMed - indexed for MEDLINE]

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