Combination comprises 4-{3-[cis-hexahydrocyclopenta[c]pyrrol-2(1H)-yl]propoxy}benzamide (I) or its addition salt with an acid or a base, and N-methyl-D-aspartate glutamate receptor antagonist. ACTIVITY : Nootropic. MECHANISM OF ACTION : N-methyl-D-aspartate glutamate receptor antagonist.