One strength of this approach is it introduced psychotherapy. Freud's psychoanalysis was the first attempt to treat mental disorders psychologically rather than physically. Psychanalysis claims to help clients deal with everyday problems by providing access to their unconscious, employing techniques like dream analysis. therefore, psychoanalysis is the forerunner to many modern day talking therapies. However, psychotherapy is inappropriate and even harmful for some serious mental disorders like schizophrenia.