atopognosia

[ ā-tŏp′ŏg-nōzē-ə, -zhə, ə-tŏp′- ]

n.

The inability to discern the origin of a sensation.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.