[4] In the 1940s, it was the subject of the Eisenbud-Pederson-Krag-Fodor-Ellis controversy, named after the preeminent psychoanalysts of the time who were involved: Jule Eisenbud, Geraldine Pederson-Krag, Nandor Fodor, and Albert Ellis.
[4] His 1922 paper Dreams and Telepathy is reproduced in the book Psychoanalysis and the Occult (1953) and was intended to be a lecture to the Vienna Psycho-Analytical Society, although he never delivered it.
His ideas were not widely accepted at the time, but he continued to publicly express his interest and findings about telepathic dreaming.
[6][7] Freud claims neutrality about the phenomenon itself, states that the sleep milieu has special likely properties for it if it does exist, and discounts all of the cases presented to him on standard psychoanalytic grounds (e.g. neurosis, transference, etc.).
Albert Ellis regarded their conclusions to have been based upon flimsy evidence, and thought that they could be better explained by bias, coincidence and unconscious cues than by dream telepathy.
Attempts to cut off communication between the agent, sender, and receiver of information failed because subjects found ways to get around blindfolds no matter how intricate and covering they were.
According to Wiseman, "after monitoring about twenty volunteers for several nights on end, the study didn't discover any evidence in support of the supernatural.