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Dermo-optical perception (DOP) — also known as dermal vision, dermo-optics, eyeless sight, eyeless vision, skin vision, skin reading, finger vision, paroptic vision, para-optic perception, cutaneous perception, digital sight, and bio-introscopy — is a term that is used in parapsychological literature to denote the alleged capability to perceive colors, differences in brightness, and/or formed images through the skin (without using the eyes, as distinct from blindsight), especially upon touching with the fingertips. Typically, people who claim to have dermo-optical perception claim to be able to see using the skin of their fingers or hands. People who claim to have DOP often demonstrate it by reading while blindfolded. The effect has not been demonstrated scientifically.〔Shiah & Tam (2005). (Do Human Fingers “See”? – “Finger-Reading” Studies in the East and West ). European Journal of Parapsychology, 20(2), 117–134.〕 ==History== The first Western scientific reports are from the 17th century.〔Brugger, P; Weiss, P. (2008). ''Dermo-optical perception: the nonsynaesthetic "palpability of colors"''. Journal of the History of the Neurosciences 17: 253-255.〕 Scattered cases kept being reported over the years, but scientific interest didn't pick up until the 20th century.〔 ESP researchers enthusiastically studied DOP, hoping that it was an example of extra-sensory perception, but they could only conclude that some of the results couldn't be explained by cheating.〔 According to Joe Nickell many circus entertainers and magicians have utilized tricks to perform eyeless-sight feats. In the 1880s Washington Irving Bishop performed the "blindfold drive" with a horse-drawn carriage. In the early 20th century Joaquin María Argamasilla known as the "Spaniard with X-ray Eyes" claimed to be able to read handwriting or numbers on dice through closed metal boxes. Argamasilla managed to fool Gustav Geley and Charles Richet into believing he had genuine psychic powers. In 1924 he was exposed by Harry Houdini as a fraud. Argamasilla peeked through his simple blindfold and lifted up the edge of the box so he could look inside it without others noticing.〔 A teenager from America named Pat Marquis known as "the boy with X-ray eyes" was tested by J. B. Rhine and was caught peeking through the blindfold down his nose.〔 Science writer Martin Gardner has written that the ignorance of blindfold deception methods has been widespread in investigations into objects at remote locations from persons who claim to possess eyeless vision. Gardner documented various conjuring techniques psychics such as Rosa Kuleshova, Linda Anderson and Nina Kulagina have used to peek from their blindfolds to deceive investigators into believing they used eyeless vision. ''Life'' magazine reported on several cases on June 12, 1964, and on April 19, 1937, calling them "X-ray wonders", but all of them were found to be cheating when tested under controlled conditions.〔 In 2010, an Italian lady known as R. G. who claimed she could peer inside sealed boxes with X-ray vision to describe what is inside was tested at the University of Pavia by Massimo Polidoro, chemist Luigi Garlaschelli and physicist Adalberto Piazzoli. Twelve objects were selected and placed in wooden boxes. She failed the test getting only one object correct.〔 Polidoro, Massimo. (2010). (Testing for "X-Ray Vision" ). Csicop.org. Retrieved 2014-07-12.〕 Joe Nickell who has studied DOP has written "To date, no one has demonstrated convincingly, under suitably controlled conditions, the existence of X-ray sight or any other form of clairvoyance or ESP."〔 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Dermo-optical perception」の詳細全文を読む スポンサード リンク
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