Dictionary > Graphesthesia

Graphesthesia

Definition
noun
The ability of an individual to recognize writing on the skin (such as on the palm of the hand) purely by sensation of touch.
Supplement
This ability is examined to test a neurological condition. To test this ability, the examiner writes single numbers or letters on the palm with the back of a pen, pen light, tongue depressor, etc. Positive results indicate normal condition whereas negative results indicate non-normal condition.
Word origin: from Greek grapha (“writing”) and aisthesis (“perception”).


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