Alzheimer's Disease

"Agnosia"

by Christine Kennard

for About.com

About.com Health's Disease and Condition content is reviewed by the Medical Review Board

Definition:

A disorder in which the affected person is unable to make meaning out of one or more of their senses (sight, hearing, touch, taste, smell)

Examples: Agnosia is one of the characteristics of those suffering from Alzheimer's.

Are your symptoms merely irritating, or could they be a sign of allergies? More >

The best way to treat a headache is to prevent it. Learn how. More >

Browse All About.com