the administration of l-dopa , 100 mg/kg i.p. , after inhibition of peripheral dopa decarboxylase , disrupts the discrimination but not the acoidance behaviour , whereas the administration of the antipsychotic agent haloperidol ( hpd ) , 0.125 mg/kg i.p. , disrupts the avoidance behaviour but not the discrimination .
C0040615
antipsychotic agent
C0018546
haloperidol