Agnosia is a rare condition in which an affected individual is unable to recognise and identify objects, persons, sounds, shapes or smells even though the affected sense is not defective and there is ...

PITTSBURGH—Certain brain injuries can cause people to lose the ability to visually recognize objects — for example, confusing a harmonica for a cash register. Neuroscientists from Carnegie Mellon ...

Finger agnosia is the inability to recognize and distinguish your fingers or someone else’s. It may appear alone or it may be combined with other conditions as part of Gerstmann syndrome. Agnosia is ...

A more accurate model of the visual system may help neuroscientists and clinicians develop better treatments for alexia, prosopagnosia and agnosia. Damage to a part of the brain that processes visual ...