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The sixth sense

Telepathy

Mind to mind without the senses: the claim, the tests since 1882, and what they showed.

Telepathy: an emblem
Ask the Oracle

What is telepathy, and what did the experiments on it truly find?

What it is

Telepathy is the claim that a thought, an image or a feeling can pass from one mind to another without sight, hearing or any known sense. It is the most familiar form of what J. B. Rhine later called extrasensory perception, and the one most people believe they have met: the friend who rings just as they were thought of, the twin who knew. The claim comes in two strengths. The weak one is that such things are sometimes reported, which nobody doubts. The strong one is that they exceed what coincidence and ordinary knowledge of a person would produce, and that has to be shown by counting.

The teaching

As the Society for Psychical Research, from Myers and Gurney onwards teaches it.

The word

Telepathy, in Frederic Myers's own definition, is “the communication of impressions of any kind from one mind to another, independently of the recognised channels of sense.” The word joins the Greek for far and for feeling. Myers chose it with care. What passes, in the cases the Society collected, is seldom a thought in words: it is more often an image, a feeling, a sudden conviction or an impulse to act. The older phrase, thought-reading, belonged in those years to the stage, where it meant something else.

That something else was muscle reading. A performer holding a spectator's wrist could find a hidden pin or follow a path through a hall by the tiny, unconscious movements of the person who knew where it was. The Society's first lesson was that no test of telepathy means anything while the two people can touch, see or hear each other.

Agent and percipient

The Society's terms are still in use. The agent is the person from whom an impression is held to come; the percipient is the one who receives it. In an experiment the agent concentrates on a target, a card, a number or a simple drawing, while the percipient, out of contact, tries to name or draw it. In a spontaneous case the agent is usually someone far away at a moment of crisis, who does nothing deliberately at all.

The forms an impression takes

The Society sorted its spontaneous cases by the form the impression took. Some came as dreams. Some came in what it called the borderland, the doubtful state between waking and sleep, as when a person lying in bed sees a figure at its foot. Some came fully awake, as a figure seen, a voice heard calling one's name, a touch felt. Others came as a sudden feeling or certainty that something was wrong, or as an impulse to act: to go home, to write, to turn back.

Some cases were collective, when two or more people saw or heard the same thing at once, and a few were reciprocal, when each of two people seemed to perceive the other at the same moment.

The crisis case

The heart of the collection is the crisis case. At about the moment when someone is dying, or hurt, or in great danger, a person close to them, far off and with no reason to fear for them, sees them, hears them or simply knows. Most of the Society's spontaneous cases were of this kind, and most of the crises were deaths. Hence the title of the founders' great book: the phantasms were of the living, or the dying, at the moment of their crisis.

The veridical hallucination

Edmund Gurney taught that the figure seen at such a moment is neither the dying person's body nor a ghost in the old sense, but a hallucination made by the percipient's own mind in answer to a telepathic impulse received below awareness. He called it a veridical hallucination: false as an appearance, true as a message. The impulse comes from the agent; the picture, the voice or the touch is the percipient's mind clothing it in the senses.

The rules of evidence

A case counted only if it met strict rules. The account had to be first-hand. The experience had to be told to someone, or written down, before news of the crisis arrived, and those who were told were asked to confirm it. The date and hour of the crisis had to be fixed independently, by a death notice, a letter or a record. The coincidence had to be close, and the Society took twelve hours from a death as its limit. And the percipient must not have had reason to fear for the person, since anxiety alone can make a mind see what it dreads.

The rules are worth keeping for any personal case today. Write the experience down at once, with the date and hour, and tell someone before any news comes. Keep the note even if nothing follows, since the cases that came to nothing belong in the count as much as the ones that seemed to fit.

Myers and the subliminal self

Myers built a wider doctrine on the cases. The waking self, he taught, is only part of the person; below its threshold lies a larger subliminal self, which can receive impressions the waking mind cannot. These rise into awareness by roundabout ways he called automatisms: sensory ones, such as visions, voices and dreams, and motor ones, such as sudden impulses and writing that seems to come of itself. That, in his view, is why telepathic impressions come so often in sleep, in reverie or in the borderland, when the threshold is low.

Thought transference at the table

The Society's experimental test was simple. The agent sits with a target chosen by chance, often a simple drawing, and concentrates on it, silent and still. The percipient sits apart, out of sight and hearing, in another room if possible, and draws or describes whatever comes. The two are then set side by side. The founders learned quickly that the precautions are everything: no contact, no sight of the agent, no sound, no hint from anyone who knows the target, and the percipient's record made before any comparison.

The ganzfeld

The modern form of the test is the ganzfeld, German for whole field. The receiver reclines with halved table tennis balls over the eyes in a soft red light and a steady hiss in headphones, so that the senses receive an even, featureless field. After a period of relaxation the receiver speaks aloud, for half an hour or so, every image and feeling that comes, while a sender in a distant room watches a picture or film clip chosen at random. Afterwards the receiver is shown four candidates and picks the one that fits best; by chance alone the pick is right one time in four.

The thinking behind the design is that telepathic impressions, if they exist, are faint, and that quieting the senses lets them be noticed.

When thoughts feel read

One experience must not be mistaken for telepathy. A feeling that others can hear or read one's thoughts, that thoughts are being put into one's mind or taken out of it, or that strangers know what one is thinking, is not a gift. It can be a sign of illness that a doctor should see, and help is available. If you feel your thoughts are being read, please see a doctor.

How it is practised

The honest test of an everyday case is a tally. For a month, note each time a person comes strongly to mind, with the date and hour, before anything follows, and then note whether they called or wrote within the day. The misses belong in the count with the hits. Most people find that the calls they remember were a few among many thoughts that led nowhere, and that the caller was someone they had reason to expect. Nothing here is a method for sending or receiving a thought, and the house offers none.

Where it comes from

Frederic Myers coined the word in 1882, the year he and other Cambridge scholars founded the Society for Psychical Research. Its first tests were guessing games with the Creery sisters, who were caught in 1888 using a code of signals, and its first great collection, Phantasms of the Living, appeared in 1886. In the 1930s Rhine moved the question to the laboratory with cards. From 1974 Charles Honorton used the ganzfeld, in which a receiver in mild isolation describes a picture a sender is looking at. A review of 1994 put the hits at about a third where chance gives a quarter; a wider review in 1999 found no effect, and later ones have disagreed again.

What is known, and what is not

The reports are real and common; surveys in several countries find that a large share of people say they have had such an experience. Ganzfeld studies have several times reported hit rates above chance, and several careful repetitions have found nothing. Critics point to sensory leakage, loose randomising and the file-drawer problem; defenders answer that later studies closed those gaps. No experiment yet gives the same result in any competent laboratory, which is what would settle it.

Its words

Telepathy
The passing of a thought or feeling from one mind to another without the known senses. Frederic Myers coined the word in 1882 from the Greek for distant feeling.
Extrasensory Perception
ESP for short: J. B. Rhine's name, from 1934, for telepathy, clairvoyance and precognition together, as knowing that does not come through the senses.
Society for Psychical Research
The learned society founded in London in 1882 to examine telepathy, apparitions and mediums by the methods of science. It still exists and still publishes.
Ganzfeld Experiment
A telepathy test in which a receiver, with eyes covered and steady noise in the ears, describes a picture that a sender in another room is looking at.
Frederic Myers
The Cambridge classical scholar (1843 to 1901) who helped found the Society for Psychical Research, coined the word telepathy and proposed a subliminal self.
Sensory Leakage
Information reaching the subject of a psychic test through the ordinary senses, by sight, sound or touch, without anyone meaning to pass it.

Ask the Oracle further

Before you practise

The Oracle tells what has been claimed for telepathy and second sight, what was tested, and what held: small effects have been reported and have not been reliably repeated. It will not tell you that you are psychic, or that a premonition is true. If you feel your thoughts are being read, please see a doctor.

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