Psychoanalytic dream interpretation and Waldhorn (1967) have downgraded Freud's classical view of dreams from extremely important to being on a level playing field with other psychological phenomena. Developments in REM research (Ellman and Antrobus, 1991) have also played a part in diminishing dreams importance in both clinical and theoretical psychoanalysis. For psychoanalysts dreams can present a challenge as their interpretation often can overwhelm other aspects of a patients problem and take up much of the time spent on the patient, and in many cases interpretations served the interpreter and not the patient. Dream discussion has taken a back seat to the discussion of
Dream interpretation treatise on dreams, in which he was the first to distinguish between dream interpretation and the nature and causes of dreams. In "The Canon of Medicine", Avicenna extended the theory of temperaments to encompass "emotional aspects, mental capacity, moral attitudes, self-awareness, movements and dreams." Ibn Khaldun's "Muqaddimah" (1377) states that "confused dreams" are "pictures of the imagination that are stored inside by perception and to which the ability to think is applied, after (man) has retired from sense perception." Ibn Shaheen states: Interpretations change their foundations according to the different conditions of the seer (of the vision),so seeing handcuffs during