[History of the theory of psychic energy].
The notion of energy became dominant in physics around 1850. It was transferred into psychology by Th. Fechner, W. Wundt, F. Nietzsche and others. For S. Freud and his pupils it became basic. During the last decades it has turned marginal.
D005060:Europe; D049671:History, 18th Century; D049672:History, 19th Century; D049673:History, 20th Century; D049690:History, Ancient; D010684:Philosophy; D011574:Psychoanalytic Theory; D011601:Psychophysics / Q000266:history*; D014481:United States
Geschichtliches zur Theorie der psychischen Energie.