graphanesthesia

[ grăf′ăn-ĭs-thēzhə ]

n.

Loss of the ability to recognize figures traced on the skin, as with a pencil-shaped piece of wood.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.