On Dreams that "dreames are caused by the distemper of some inward parts of the Body." He thought this explanation would further help in understanding different types of dreams, for example, "lying cold breedeth Dreams of Feare, and raiseth the thought and Image of some fearfull object." The neurologist Sigmund Freud cited Aristotle in his 1899 work, "The Interpretation of Dreams", as the first to recognize that dreams "do not arise from supernatural manifestations but follow the laws of the human spirit." He held Aristotle's definition of dreams to be "the mental activity of the sleeper in so far as he is
The Dream - Introduction into the Psychology of Dreams fascinated by the putative meaning of their dreams and desired to discover their unconscious selves by means of interpreting them. In the following years, Silberer noticed that while the literature on the interpretation of dreams was increasing in amount and complexity, general information on basic elements of dreams was deficient. Therefore, he began to give public lectures on fundamental knowledge about dreams as well as his specific findings in this field in Vienna. After various listeners of one of such lectures had assured him that he had succeeded in providing an understandable introduction into the psychology of dreams, Silberer decided