This page needs to be proofread.
30
S. FERENCZI
the return of certain painful thoughts; they are actually physical
"displacement substitutes" for compulsive thoughts.
Obsessive actions are chiefly differentiated from the ucs and stereotypies by their greater complexity ; they are real actions that aim at the alteration of the external world (chiefly in an ambivalent sense) and in which narcissism plays no part or else a subordinate one.
A differential diagnosis of these motor symptoms is often only possible after prolonged psycho-analysis.
