Central noradrenaline depletion antagonizes aspects ofd-amphetamine-induced hyperactivity in the rat
- 1 January 1986
- journal article
- research article
- Published by Springer Nature in Psychopharmacology
- Vol. 88 (2) , 141-146
- https://doi.org/10.1007/bf00652230
Abstract
The effects of noradrenaline (NA) depletion upon amphetamine-induced hyperactivity were examined in five experiments. Central NA depletion via either systemic DSP4 or neonatal 6-OHDA antagonised the amphetamine-induced (2 mg/kg SC) increase in rearing behaviour, whereas lesions of the dorsal noradrenergic bundle using 6-hydroxydopamine antagonised the increase in locomotor activity. Peripheral NA depletion following systemic 6-hydroxydopamine to adult rats did not cause any changes in motor activity after acute amphetamine administration. Desipramine, the selective NA uptake inhibitor, blocked the effects of DSP4 upon amphetamine-induced rearing. NA depletion antagonised hyperactivity produced by the 2 mg/kg dose of amphetamine, but not the hyperactivity (rearing or locomotion) effects of amphetamine at 1, 4 or 8 mg/kg.Keywords
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