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For other uses, see Telepathy (disambiguation).
An experiment in sensory deprivation aiming to demonstrate TP
The transference of thoughts or feelings between two or more subjects through Psi
One subject said to gain information from another that was shielded from their traditional senses by distance, time, or physical barriers.
Telepathy (from the Greek τηλε, tele meaning "distant" and πάθη, pathe meaning "affliction, experience") is the supposed transmission of information from one person to another without using any of our known sensory channels or physical interaction. The term was coined in 1882 by the classical scholar Frederic W. H. Myers, a founder of theSociety for Psychical Research, and has remained more popular than the earlier expression thought-transference.
Scientific consensus does not view telepathy as a real phenomenon. Many studies seeking to detect, understand, and utilize telepathy have been done, but according to the prevailing view among scientists, telepathy lacks replicable results from well-controlled experiments.
Telepathy is a common theme in modern fiction and science fiction, with manysuperheroes and supervillains having telepathic abilities.
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According to Roger Luckhurst, the origin of the concept of telepathy (not telepathy itself) in the Western civilization can be tracked to the late 19th century. In his view, science did not frequently concern itself with "the mind" prior to this. As the physical sciences made significant advances, scientific concepts were applied to mental phenomena (e.g., animal magnetism), with the hope that this would help understand paranormal phenomena. The modern concept of telepathy emerged in this historical context.
The notion of telepathy is not dissimilar to two psychological concepts: delusions of thought insertion/removal and psychological symbiosis. This similarity might explain how some people have come up with the idea of telepathy. Thought insertion/removal is a symptom of psychosis, particularly of schizophrenia or schizoaffective disorder. Psychiatric patients who experience this symptom falsely believe that some of their thoughts are not their own and that others (e.g., other people, aliens, demons or fallen angels, or conspiring intelligence agencies) are putting thoughts into their minds (thought insertion). Some patients feel as if thoughts are being taken out of their minds or deleted (thought removal). Along with other symptoms of psychosis, delusions of thought insertion may be reduced by antipsychotic medication.
Psychological symbiosis, on the other hand, is a less well established concept. It is an idea found in the writings of early psychoanalysts, such as Melanie Klein. It entails the belief that in the early psychological experience of the child (during earliest infancy), the child is unable to tell the difference between his or her own mind, on one hand, and his or her experience of the mother/parent, on the other hand. This state of mind is called psychological symbiosis; with development, it ends, but, purportedly, aspects of it can still be detected in the psychological functioning of the adult. Putatively, the experience of either thought insertion/removal or unconscious memories of psychological symbiosis may have led to the invention of "telepathy" as a notion and the belief that telepathy exists. Psychiatrists and clinical psychologists believe and empirical findings support the idea that people withschizotypal personality disorder are particularly likely to believe in telepathy.
A physical model of telepathy, whether described as radiational or in other terms, assumes that transference is effected by means of a vibratory current linking one brain to another. William Crookes proposed a "brain wave" theory in which he claimed telepathy might occur due to high frequency vibrations of the ether. Crookes had stated that there may be parts of the human brain that may be capable of sending and receiving electrical rays of wavelengths. William Fletcher Barrett and Frederic William Henry Myers however pointed out problems in a physical theory for telepathy and instead advocated psychical theories.
In the early 20th century there were two other prominent concepts of telepathy: the spiritualist position which claimed telepathy was the result of external spirits, and a view claiming interactions between two or more subconscious minds. The subconscious mind view was advocated by psychical researcher Thomson Jay Hudson who wrote that the mind is a duality and actually consists of two minds: the objective mind (conscious) and the subjective mind (subconscious).
The psychical researcher John Arthur Hill wrote regarding telepathy "No physical theory of telepathy has been worked out — there are no "brain-waves" known, and no receiving stations yet discovered inside our skulls." George N. M. Tyrrell also claimed that a physical basis for telepathy was untenable as ideas can not be transmitted from one mind to another by any physical means without being first translated into a code. H. H. Price also suggested that telepathy was incompatible with any material explanation, as a physical theory of telepathy would reveal radiations detectable on physical instruments but none have ever been detected.
A famous experiment in telepathy was recorded by the American author Upton Sinclair in his book Mental Radio which documents Sinclair's test of psychic abilities of Mary Craig Kimbrough, his second wife. She attempted to duplicate 290 pictures which were drawn by her husband. Sinclair claimed Mary successfully duplicated 65 of them, with 155 "partial successes" and 70 failures. However, these experiments were not conducted in a controlled scientific laboratory environment.
Another example is the experiments carried out by the author Harold Sherman with the explorer Hubert Wilkins who carried out their own experiments in telepathy for five and a half months starting in October 1937. This took place when Sherman was in New York and Wilkins was in the Arctic. The experiment consisted of Sherman and Wilkins at the end of each day to relax and visualise a mental image or "thought impression" of the events or thoughts they had experienced in the day and then to record those images and thoughts on paper in a diary. The results at the end when comparing Sherman's diary to Wilkins was that "Seventy-five per cent were found to be correct". A typical example was on 21 February 1938. On that day, both Sherman and Wilkins had recorded that cold weather had delayed their jobs, they both had witnessed that someone's skin had peeled off their finger, they both recorded that they had drunk alcohol with friends and witnessed boxes of cigars being brought and both recorded that they had experienced a toothache.
To rule out any kind of fraud, each night Sherman had sent his impressions to Gardner Murphy, a psychologist at Columbia University. Murphy had studied the Wilkins-Sherman results and claimed that some could be explained by coincidence but that some exceptions were unexplainable. One such example took place on Armistice Day, 1937. Wilkins had attended a formal ball for the Army with the locals in Canada as his plane was forced to land due to bad weather, Wilkins recorded that he was worried about a dress-suit that he had to wear as the waistcoat was short in size. On the same night, Sherman recorded in his diary "You in company with men in military attire-some women-evening dress-important people present-much conversation-you appear to be in evening dress yourself."Wilkins was very impressed by the results and wrote that:
When we finally were able to compare notes, what did we find? An amazing number of impressions recorded by Sherman of expedition happenings, and personal experiences, reactions and thoughts of mine. Too many of them were approximately correct and synchronized with the very day of the occurences to have been 'guesswork'.
The full results of the experiments were published in 1942 in a book by Sherman and Wilkins titled Thoughts Through Space in the book both Sherman and Wilkins had written that they believed they had demonstrated that it was possible to send and receive thought impressions from the mind of one person to another.
Within the field of parapsychology, telepathy is considered to be a form of extra-sensory perception (ESP) or anomalous cognition in which information is transferred through Psi. It is often categorized similarly to precognition and clairvoyance. Various experiments have been used to test for telepathic abilities. Among the most well known are the use of Zener cards and the Ganzfeld experiment.
Zener cards are cards marked with five distinctive symbols. When using them, one individual is designated the "sender" and another the "receiver". The sender must select a random card and visualize the symbol on it, while the receiver must attempt to determine that symbol using Psi. Statistically, the receiver has a 20% chance of randomly guessing the correct symbol, so in order to demonstrate telepathy, they must repeatedly score a success rate that is significantly higher than 20%. If not conducted properly, this method can be vulnerable to sensory leakageand card counting.
When using the Ganzfeld experiment to test for telepathy, one individual is designated the receiver and is placed inside a controlled environment where they are deprived of sensory input, and another is designated the sender and is placed in a separate location. The receiver is then required to receive information from the sender. The exact nature of the information may vary between experiments.
Some parapsychologists still proposed that telepathy may have a physical explanation. The Italian neurologist Ferdinando Cazzamali in the 1920s had claimed that telepathic communication occurred due to a type of electromagnetic radiation. However the neurophysiologist William Grey Walter in his book The Living Brain (1953) wrote that electrical 'brain- waves' are too weak to explain telepathy. Hans Berger also held this view but extended the theory by proposing that telepathy occurs when "electrical energy in the agent's brain is transformed into 'psychic energy' which can be diffused to any distance, passing through obstacles without attenuation".
In 1974 Michael Persinger proposed that extremely low-frequency (ELF) electromagnetic waves may be able to carry telepathic and clairvoyant information. Gerald Feinberg also suggested that telepathy may exist due to as of yet undiscovered elementary particleswhich he called 'psychons' or 'mindons'.
In recent years the parapsychologist Charles Tart has accepted the existence of telepathy but claims that it is nonphysical in nature and can not be fitted into any physical theory.
Parapsychology describes several different forms of telepathy, including latent telepathy and precognitive telepathy.
Latent Telepathy, formerly known as "deferred telepathy", is described as being the transfer of information, through Psi, with an observable time-lag between transmission and receipt.
Retrocognitive, Precognitive, and Intuitive Telepathy is described as being the transfer of information, through Psi, about the past, future or present state of an individual's mind to another individual.
Emotive Telepathy, also known as remote influence  or emotional transfer, is the process of transferring kinesthetic sensations through altered states.
Superconscious Telepathy, involves tapping into the superconscious  to access the collective wisdom of the human species for knowledge.
Although not a recognized scientific discipline, people who study certain types of paranormal phenomena such as telepathy refer to the field as parapsychology. Parapsychologists claim that some instances of telepathy are real. Skeptics say that instances of apparent telepathy are explained as the result of fraud, self-delusion and/or self-deception and that telepathy does not exist as a paranormal power.
Parapsychologists and skeptics agree that many of the instances of more popular psychic phenomena, such as mediumism, can be attributed to non-paranormal techniques such as cold reading. Magicians such as Ian Rowland and Derren Brown have demonstrated techniques and results similar to those of popular psychics, without paranormal means. They have identified, described, and developed psychological techniques of cold reading and hot reading.
A technique which shows statistically significant evidence of telepathy on every occasion has yet to be discovered. This lack of reliable reproducibility has led skeptics to argue that there is no credible scientific evidence for the existence of telepathy at all. Skeptics also point to historical cases in which flaws in experimental design and occasional cases of fraud were uncovered.
Telepathy is commonly used in fiction, with a number of superheroes and supervillains, as well as figures in many science fiction novels, etc., use telepathy. Notable fictional telepaths include the Jedi in Star Wars. The mechanics of telepathy in fiction vary widely. Some fictional telepaths are limited to receiving only thoughts that are deliberately sent by other telepaths, or even to receiving thoughts from a specific other person. For example, in Robert A. Heinlein's 1956 novel Time for the Stars, certain pairs of twins are able to send telepathic messages to each other. In A. E. van Vogt's science fiction novel Slan, the mutant hero Jommy Cross can read the minds of ordinary humans. Some telepaths can read the thoughts only of those they touch, such as Vulcans in the Star Trek media franchise. Star Trek science consultant and writer André Bormanis, has revealed that telepathy within the Star Trek universe works via the "psionic field." According to Bormanis, a psionic field is the "medium" through which unspoken thoughts and feelings are communicated through space. Some humanoids can tap into this field through a kind of sense organ located in the brain; in the same manner that human eyes can sense portions of the electromagnetic field, telepaths can sense portions of the psionic field. In the book "Eragon", Eragon can communicate through his mind with almost anyone, including his dragon Saphira, but it is possible to block people from one's mind with a barrier. In the Harry Potter series by J. K. Rowling, telepathy is a magical skill known as Legilimency. In the John Wyndhamnovel The Chrysalids, the main character and narrator David Strorm is one of a group of nine telepaths. In Anthony Horowitz's Power of Five series twins Jamie and Scott Tyler were born with telepathic powers that enable them to read people's minds and, ultimately, control them. They always know each other's thoughts, which earns them money doing tricks at a circus in Reno, Nevada, USA.
Some writers view telepathy as the evolutionary destiny of humanity. In Tony Vigorito's novel, Just a Couple of Days, telepathy emerges across the entire human species as a result of the Pied Piper Virus, which inadvertently eliminates humanity's symbolic capacity. In this instance, telepathy is seen as a latent ability that emerges only when the distractions of language are bypassed.
Some fictional telepaths possess mind control abilities, which can include "pushing" thoughts, feelings, or hallucinatory visions into the mind of another person, causing pain, paralysis, or unconsciousness, altering or erasing memories, or completely taking over another person's mind and body (similar to spiritual possession). Examples of this type of telepath include Professor Xavier, Psylocke, Jean Grey, Emma Frost, and numerous other characters in the Marvel Universe, along with Matt Parkman from the television series Heroes.
The radio crimefighter The Shadow had "the power to cloud men's minds," which he used to mask his presence from others.
The film Scanners concerns around people born with this kind of telepathy as well as those with telekinetic abilities.
The Urdu novel "Devta" is based on the character of Farhad Ali Taimur, a telepath involved in the fight of good and evil.
Technological enabled mental connections (occasionally seen as a form of 'telepathy' as in the following section, but not usually described using this word) are also present in science fiction, often involving the usage of neural implants of some description. For example, Robert Silverberg's 1971 story Tower of Glass features a technology called a "shunt room" where participants wearing "shunt helmets" are able to probe one another's thoughts, feelings and memories. Another example is the Conjoiners in the Revelation Spaceseries by Alastair Reynolds. Conjoiners rely on their technological telepathy (referred to by them as "Transenlightenment") to the extent that they no longer actually speak. Certain Conjoiners are able to read, attack and control the minds of other Conjoiners and machines (though not standard humans) using digital attacks, often having similar effects to other telepaths in fiction. More generally, the concept of technological mental connections quite often features in science fiction stories featuring group minds,
See also a composite list of fictional characters with telepathy.
See also: Thought identification
Converging Technologies, a 2002 report exploring the potential for synergy among nano-, bio-, informational and cognitive technologies (NBIC) for enhancing human performance.
Recent BCI (brain-computer interface) toys like those developed by NeuroSky have brought real life telepathy to the general public. The MindFlex made by Mattel in collaboration with NeuroSky was even ranked in Time Magazine's top 100 toys of all time. In this game the player floats a ball by concentrating on it; an electroencephalogram is used to judge the persons level of concentration through direct measurement of the electrical activity in their brain, this headset then communicates with a platform controlling the speed of a fan and thus the ball.
In 2011 a Guinness Book of World Records category was created for BCI based telepathy. The NeuroSky MindWave was awarded it for the, “Heaviest machine moved using a brain control interface”.
Futurists think that brain-computer interfaces may make telepathy possible. There has already been progress in connecting brains with machines, and a man-machine-man bridge is considered very possible. And if man-machine-man bridges can be made, then such a link can be achieved over great distances using the Internet.
Technologically enabled telepathy is also called "techlepathy," "synthetic telepathy," or "psychotronics."
Some people, occasionally referred to by themselves or others as "transhumanists", believe that technologically enabled telepathy is a technology that humans should pursue in order to improve themselves.
Kevin Warwick of the University of Reading, England is one of the leading proponents of this view and has based all of his recentcybernetics research around developing technology for directly connecting human nervous systems together with computers and with each other. He believes techno-enabled telepathy will in the future become the primary form of human communication.
§ Abhijna, the Buddhist "higher knowledges", the third of which is "Mind-penetrating knowledge".
§ Extended mind, the concept that things frequently used by the mind become part of it.
§ Ishin-denshin, traditional Japanese concept of unspoken mutual understanding, sometimes translated as "telepathy"
§ Lady Wonder, a horse that appeared to answer questions.
§ Magnetoencephalography, measuring the magnetic fields produced by electrical activity in the brain.
§ Mentalist, claims to manipulate and change spiritual reality.
§ Neural oscillation, a concept measured as brain waves.
§ Precognition, a form of extra-sensory perception involving seeing future events.
§ Quantum pseudo-telepathy, apparent telepathy as a result of quantum entanglement.
§ Velostat, a purported insulator.
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6. ^ Willem B. Drees (28 November 1998). Religion, Science and Naturalism. Cambridge University Press. pp. 242–. ISBN 978-0-521-64562-1. Retrieved 5 October 2011. "Let me take the example of claims in parapsychology regarding telepathy across spatial or temporal distances, apparently without a mediating physical process. Such claims are at odds with the scientific consensus."
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41. ^ a b See for examples, Randi, James. Flim-Flam! Psychics, ESP, Unicorns, and Other Delusions. Prometheus Books (June 1982) ISBN 0-87975-198-3 or
Charpak, Georges and Henri Broch. Translated by Bart K. Holland. Debunked!: ESP, Telekinesis, and Other Pseudoscience. The Johns Hopkins University Press (March 25, 2004), ISBN 0-8018-7867-5
Charpak, Georges and Henri Broch. Translated by Bart K. Holland. Debunked!: ESP, Telekinesis, and Other Pseudoscience. The Johns Hopkins University Press (March 25, 2004), ISBN 0-8018-7867-5
44. ^ Townsend, Allie (2011-02-16). "All-TIME 100 Greatest Toys".Time.com (Time Magazine). Retrieved 2011-04-31.
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49. ^ TakeAway Media (2000). "Leviathan: Back to the Future: An interview with Kevin Warwick". BBC Two. Retrieved 2006-10-24.
§ Soal-Goldney Experiment - a critical evaluation of the Soal-Goldney Experiment, which claimed to prove the existence of telepathy
§ Dream and Telepathy - article in Science and Psychoanalysis