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Prosopagnosia. Another condition caused by bilateral damage to the occipital lobe, prosopagnosia affects the patient's ability to recognize faces visually. Prosopagnosia can also occur with visual object agnosia. 1  1. 2  2. 3  Next Page. 4  Last Page.
The occipital lobe is located at the lower central back of the brain. It is considered as the primary center for processing visual stimuli. This lobe is also involved in color and movement discrimination, and visuospatial processing. Any significant trauma at the back of the head can cause subtle changes in the visual-perception area.