<Tr> <Th> MeSH </Th> <Td> D011572 </Td> </Tr> <Tr> <Td_colspan="2"> (edit on Wikidata) </Td> </Tr> <P> Psychoanalysis is a set of theories and therapeutic techniques related to the study of the unconscious mind, which together form a method of treatment for mental - health disorders . The discipline was established in the early 1890s by Austrian neurologist Sigmund Freud and stemmed partly from the clinical work of Josef Breuer and others . </P> <P> Freud first used the term psychoanalysis (in French) in 1896 . Die Traumdeutung (The Interpretation of Dreams), which Freud saw as his "most significant work", appeared in November 1899 . Psychoanalysis was later developed in different directions, mostly by students of Freud such as Alfred Adler and Carl Gustav Jung, and by neo-Freudians such as Erich Fromm, Karen Horney and Harry Stack Sullivan . Freud retained the term psychoanalysis for his own school of thought . The basic tenets of psychoanalysis include: </P>

Who studies were the basis for psychology and psychiatry