It is a form of agnosia with an impairment in being able to integrate several elements of a complex visual stimuli that has been caused by a lesion on the brain.

SIMULTANAGNOSIA: "Simultanagnosia is caused by a lesion to the anterior part of the left occipital lobe."
Cite this page: N., Pam M.S., "SIMULTANAGNOSIA," in, April 13, 2013, (accessed October 19, 2021).