We have raised the question of the possibility of coöperation between the psychoanalyst and the topological psychologist in the establishment of experimental procedures in psychopathology. An historical survey of the interrelationships between psychiatry and academic psychology revealed that the time might now be ripe for such coöperation. The points of similarity and difference between the two modes of attack were listed. Reference was made to certain existing experiments with implications for psychoanalysis and to other current direct attacks on the problem.