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  • Title: Effects of amphetamine and apomorphine on locomotor activity after kainic acid lesion of the nucleus accumbens septi in the rat.
    Author: Kafetzopoulos E.
    Journal: Psychopharmacology (Berl); 1986; 88(3):271-4. PubMed ID: 3083447.
    Abstract:
    Kainic acid injections into the nucleus accumbens in rats induced severe loss of neuronal perikarya and the presence of gliosis in its vicinity, without affecting more distant areas. Spontaneous locomotor activity was elevated in the lesioned rats. After a low dose of d-amphetamine (1.5 mg/kg) no significant differences in locomotor activity were found between lesioned and sham-operated rats, while the increase in locomotor activity normally induced by a moderate dose of apomorphine (1 mg/kg) was blocked in lesioned rats. These results indicate that although dopamine receptors on the nucleus accumbens neurons are involved in the mechanisms mediating locomotor behaviour, the locomotor stimulant effect of d-amphetamine is not exclusively dependent on intra-accumbens dopaminergic activity.
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