<unk>  is usually diagnosed with the use of a comprehensive battery of neuropsychological tests combined with a variety of orientation tasks performed by the participants in both virtual and real surroundings. Performance on certain tests can identify underlying neurological disorders and verify the<unk>  as a selective impairment. Brain imaging is used to determine regions of brain damage, if any. Navigational skills can be assessed by tests pertaining to memory, visual-perceptual abilities, object recognition, mental rotation, imagery abilities, and spatial abilities. More direct testing of navigation involves asking the patient to describe a route, read a map, draw a map, follow a route, or point out landmarks.
Topographical disorientation
Social-emotional agnosia
Visual extinction
Musical anhedonia
Reduplicative paramnesia
Lusitropy
Polycoria
Abnormal posturing