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  • Title: Effect of desmethylimipramine on norepinephrine content and plasticity of kitten visual cortex.
    Author: Allen EE, Blakemore LJ, Trombley PQ, Gordon B.
    Journal: Brain Res; 1987 Jan 20; 401(2):397-400. PubMed ID: 3101982.
    Abstract:
    Because norepinephrine (NE) reuptake inhibitors have been reported to block 6-hydroxydopamine (6-OHDA) induced NE depletion, we wondered whether a reuptake inhibitor would block 6-OHDA's effects on visual cortical plasticity. We found, however, that desmethylimipramine (DMI) did not reduce 6-OHDA-induced NE depletion at 6-OHDA doses sufficient to prevent the effects of monocular deprivation. We also found that DMI itself induced transient NE depletion. We used this last result to further examine the NE hypothesis of depletion. In contrast to 6-OHDA-induced NE depletion, DMI-induced NE depletion was not accompanied by changes in visual cortical plasticity.
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