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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Richard James Lucido is an American psychologist who has carried out experiments providing empirical support for the idea that consciousness causes the collapse of the wave function. 

Jeff Tarrant is an American psychologist and neurofeedback specialist who has carried out experiments with psychics, mediums and energy healers.

Research director at the Institute of Noetic Sciences, pursuing a scientific exploration of consciousness that includes practical applications. 

Gabriel Guerrer is a Brazilian experimental physicist who has investigated the possible influence of consciousness on matter.  

German co-founder of psychology as a scientific discipline who made aggressive attacks against belief in psi phenomena, motivated by religious concerns.