
Keywords: CREB، cAMP پروتئین اتصال دهنده عنصر پاسخگو; l-THP, levo-tetrahydropalmatine; ERK, extracellular-regulated kinase; CREB, cAMP responsive element binding protein; Hip, hippocampus; CPu, caudate putamen; PFc, prefrontal cortex; CPP, conditioned place preference; PCP, phencyclidine; NMDA, N-methyl-d-as