asymbolia

[ ā′sĭm-bōlē-ə ]

n.

A loss of the ability to comprehend by touch the form and nature of an object.
A form of aphasia in which the significance of signs cannot be comprehended.asemasia
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.