THE INCREDIBLE SHRINKING BRAIN

A 65-year-old white woman developed progressive visuospatial abnormali ties over an eight-year course, secondary to Alzheimer's disease with amyloid angiopathy. Imaging studies demonstrated focal atrophy of the parietal and occipital lobes without hemorrhage. This patient manifest ed simultagnosia without ocular dysmetria or optic ataxia; hence, a tr ue Balint's syndrome was not present. Her visual acuities and fields h ave remained stable status post-occipital lobe biopsy.