Lack of concentration, missing motorial control, and the aggressive social behavior of students rank high among the problems of schooling and instruction. The author tries to deal with several symptoms both historically and systematically, aiming at a comprehensive conception. Education, medicine, and psychology. being the disciplines concerned, analyze the problems differently and propagate different ways of solving them. In doing so, each special discipline experiences its own limits regarding its perspective and its method of dealing with the problems. The differences as well as possibilities of integration are pointed out in a general overview. In a final chapter, the author considers possibilities of better cooperation between the different fields.