The hyperkinetic syndrome in the child occurs so frequently and is seen so often by the child psychiatrist and the pediatrician that it deserves special therapeutic attention and consideration. Most of the present-day therapeutic programs have been based upon behavior. Fundamentally, the problem of hyperkinesis in children can be related to organic factors, to psychogenic factors, or a combination of both. Treatment, therefore, is dependent upon the diagnosis. However, there has been one factor which I think has been neglected or overlooked in the therapeutic program and that is the familial and/or the patient attitude toward drug treatment which may often make the difference between the success or failure of the program or may even vary one's results. Before proceeding further, let us examine the syndrome itself from the point of view of psychogenicity and organicity and the methods I have devised for simplifying their delineation. Psychomotor