German psychologist Wilhelm Wundt explains that taboos were originally nothing other than an objectified fear of a "demonic" power which was believed to lie hidden in a tabooed object. Sigmund Freud believes this to be a superficial explanation having nothing to do with the true origins of taboos. He claims that many similarities between taboo-holders and obsessive neurotics point to "a psychological condition that prevails in the unconscious". Freud believes this "unconsciousness" is central to understanding the history of taboos. He then reconstructs the history of taboo based on the model of obsessional prohibitions as follows: