Agnosia refers to the inability of the brain to process signals from the eyes, ears, or skin, even when the these organs are functioning properly. There are three basic types: visual agnosia, auditory agnosia, and tactile agnosia (also called somatosensory agnosia).
AgnosiaDefinition
Agnosia is a neuropsychological disorder characterized by the inability to recognize common objects, persons, or sounds, in the absence of perceptual disability. There are three major ty
http://www.healthline.com/galecontent/agnosia
Overview of agnosiasAgnosia refers to the inability to recognize people or objects even when basic sensory modalities, such as vision, are intact. As an example, patients with visual agnosia may not recognize an object u
http://www.psychnet-uk.com/dsm_iv/agnosia.htm
Vision Screening for Alzheimer's DiseaseRecent evidence suggests that memory impairment and vision impairment are closely linked in Alzheimer's disease and that special testing for vision impairment can improve early detection and treatment
http://xnet.kp.org/permanentejournal/winter04/visi...
