the hypoactivity in rats induced by small doses of apomorphine , injected bilaterally into the nucleus accumbens area of the brain , could be antagonized by pretreatment with the neuroleptic-like neuropeptide des-enkephalin-gamma-endorphin ( de gamma e , beta-endorphin 6-17 ) as well as with the neuroleptic drugs haloperidol , sulpiride and clozapine injected into the accumbens .
C0040615
neuroleptic drugs
C0018546
haloperidol