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Study Uncertain About Existence of Extrasensory Perception
The researchers say claim that they have obtained the strongest evidence against the existence of extrasensory perception (ESP), which includes telepathy, clairvoyance, and precognition, however they admitted that the new approach did not conclusively prove that ESP does not exist
They say that they used brain scanning to test whether individuals have any such knowledge that cannot be explained through normal perceptual processing.
"If any ESP processes exist, then participants' brains should respond differently to ESP and non-ESP stimuli. Instead, results showed that participants’ brains responded identically to ESP and non-ESP stimuli, despite reacting strongly to differences in how emotional the stimuli were and showing subtle, stimulus-related effects," said Samuel Moulton, a graduate student in the department of psychology in the Faculty of Arts and Sciences at Harvard University.
Since the brain enables perception and stores information, the researchers were of the opinion that a test addressed to the organ will be a better test of ESP.
"The brain shows a suppressed response to stimuli that a person has seen before, even when those stimuli were presented subliminally, so the person wasn't consciously aware of having seen them; furthermore, it shows an enhanced response to stimuli that a person is expecting," says Moulton.
"Because knowledge and expectation bias brain activation, neuroimaging offers us a uniquely powerful test of subtle perceptual or cognitive processes," the researcher adds.
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guest
01/07/2008
If you put people in a scanner and ask them to think about an apple and about a pear, the fMRI scans will find no differences between the two events. Ergo, different thoughts don't exist, using this same logic. This study is embarrassing. The spatiotemporal resolution and sensitivity of all our neuroimaging techniques is too poor. Not that I believe in ESP, I just find it disgraceful that resources are wasted this way.
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