Conversation so far:
what is wilhelm stekel's theory of neurosis?
Stekel made significant contributions to symbolism in dreams, "as successive editions of The Interpretation of Dreams attest, with their explicit acknowledgement of Freud's debt to Stekel".
When was the theory of neurosis developed?
Stekel wrote one of a set of three early "Psychoanalytic studies of psychical impotence" referred to approvingly by Freud: "Freud had written a preface to Stekel's book.
Did he write any other books?
Freud credited Stekel as a potential forerunner when pondering the possibility that (for obsessional neurotics) "in the order of development hate is the precursor of love.

Question: Where was the theory of neurosis developed?
Self-contained rewrite: Where was Wilhelm Stekel's theory of neurosis developed?