The so-called "visual agnosias".
D000368:Aged; D000377:Agnosia / Q000150:complications; D001766:Blindness / Q000150:complications; D003118:Color Perception; D003704:Dementia / Q000150:complications; D004569:Electroencephalography; D005260:Female; D006801:Humans; D008297:Male; D001523:Mental Disorders / Q000175:diagnosis; D008875:Middle Aged; D009039:Motion Perception; D014794:Visual Fields; D014796:Visual Perception