The Psi Encyclopedia is a collection of articles and case studies about psi research, the scientific investigation of psychic phenomena. It's a work in progress, being created by the Society for Psychical Research in London. Learn more >

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A mind-reading act performed by a Danish-American couple Julius and Agnes Zancig, assumed to have been based on a complex code, also showed indications of genuine telepathy. 

Early telepathy experiments, originally thought to have been wholly negative, are considered by parapsychologists in part to have reached high statistical significance. 

Alleged 1970s haunting in Long Island, New York, which became the basis for sensationalist books and films loosely based on the claimed events.

This late nineteenth century apparitional case was discredited by the revelation of discrepancies in the original account. However, an alternative explanation has been noted. 

German biologist and philosopher (1867-1941) who published extensively on psychical research, considering it to be empirical support for his theory of vitalism.