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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Therapeutic approach that aims to provide practical help in a counselling context for people who are disturbed by anomalous events like precognitive dreams and poltergeist-type disturbances.

Russian psychic investigated in the late 1920s for her ability to cause words and images that she received telepathically from other people to appear briefly as red marks on her skin. 

Tory politician and philosopher (1848-1930) with an interest in psychical research, associated in particular with the Palm Sunday case, a notable mediumship episode.

British parapsychological research group, the largest of its kind, based at the University of Northampton. Current topics include after-death experiences, altered states of consciousness, and mediumship.

Annie Besant (1847-1933) was an English theosophist, socialist and women’s rights activist with an interest in psychical research for the purpose of spiritual development.