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The Sciences

NCBI ROFL: Why can't you tickle yourself?

DiscoblogBy ncbi roflOctober 22, 2009 12:00 AM

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"It is well known that you cannot tickle yourself... ...When a movement is self-produced, its sensory consequences can be accurately predicted, and this prediction can be used to attenuate the sensory effects of the movement. Studies are reviewed that demonstrate that as the discrepancy between predicted and actual sensory feedback increases during self-produced tactile stimulation there is a concomitant decrease in the level of sensory attenuation and an increase in tickliness."

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