Bromantan [N-2-(para-(bromphenyl)-N-2-(aminoadamantan)] possesses psychostimulating activity in experiments on animals. With LD50 8100 mg/kg (mice, intraperitoneal injection) activates simple and complicated forms of behavior, induces EEG effects typical of psychostimulators, is an antagonist of substances with a deprivationg neuropsychotropic effect. Bromantan is characterized by a positive effect on mnemonic processes and on obtaining the results of complex operant activity in rats.