Extrasensory perception (ESP) involves reception of information not gained through the recognized senses and not inferred from experience. The term was coined by German psychical researcher, Rudolf Tischner, and adopted by Duke University psychologist J. B. Rhine to denote psychic abilities such as telepathy and clairvoyance, and their trans-temporal operation as precognition or retrocognition. ESP is also sometimes casually referred to as a sixth sense, gut instinct or hunch. The term implies acquisition of information by means external to the basic limiting assumptions of science, such as that organisms can only receive information from the past to the present.
Below are relevent documents obtained under the Freedom of Information Act.