Pharmacologically active compounds suitable for treating a mammal so as to affect neurological function, the compounds comprising at least two neurologically active groups, one group providing alpha-adrenergic agonist activity, and the second group providing agonist activity selected from the group consisting of beta-adrenergic agonist activity, serotinergic agonist activity, dopaminergic agonist activity, and GABA-ergic agonist activity. Each of the compounds being lipophilic, capable of crossing the blood/central nervous system barrier and effective as the primary therapeutic agent, in a dosage amount and at a dosage rate sufficient to provide the desired effect. Therapeutic compositions comprising the compound are provided.