This is the inability to attend to more than a very limited area of the visual field despite normal visual fields. Typically patients can see individual objects but are unable to perceive a visual scene as a whole. There is often an associated inattention to the peripheries of the visual field.
Lesions which cause simultanagnosia are often bilateral posterior parietal and/or occipital.
Simultanagnosia is a component of Balint's syndrome.
Annotations allow you to add information to this page that would be handy to have on hand during a consultation. E.g. a website or number. This information will always show when you visit this page.