Research source

The actual figures were three millimetres high, and their corneal image is calculated by M

Date of account: Published 1894
Source: Apparitions and thought-transference: an examination of the evidence for telepathy
Reference: Apparitions and thought-transference: an examination of the evidence for telepathy · selected passage 16
Rights: public_domain
Language: English
Record updated: 2026-08-24

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Source passage

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The actual figures were three millimetres high, and their corneal image is calculated by M. Bergson to have been O.1 mm., or about 1/250 of an inch in height! In some other experiments conducted by M. Bergson with the same subject the acuteness of vision is said to have exceeded even this limit. In another case, recorded by Dr. Sauvaire,[9] a hypnotised subject was able to recognise the King of Clubs, face downwards, in two different packs of cards. In the first of these cases the results, which could not have been attained by the senses under normal conditions, must apparently be attributed to hyperæsthesia. Instances, especially of auditory hyperæsthesia, are of course quite familiar to those who have studied the phenomena of hypnotism. In Dr. Sauvaire's case, however, the power of distinguishing the cards by touch may have been the result of practice. Mrs. Verrall records (_Proceedings Soc. Psych. Research_, vol. viii. p. 480) that she acquired such a power by means of "a longish series of experiments"; and Mr.

Historical context

Contextual commentary · mention only

This comes from historical psychical research. Methods, witness handling and standards of evidence differ from present-day research and should be assessed from the cited passage and edition.

Modern context

Contextual commentary · mention only

The passage can support a history of claims and recurring descriptions. It does not establish a paranormal mechanism, and competing psychological, social and physical explanations remain relevant.

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