Posterior cortical atrophy: https://en.m.wikipedia.org/wiki/Posterior_cortical_atrophy https://en.m.wikipedia.org/wiki/Posterior_cortical_atrophy PCA can caus

Posterior cortical atrophy: https://en.m.wikipedia.org/wiki/Posterior_cortical_atrophy https://en.m.wikipedia.org/wiki/Posterior_cortical_atrophy PCA can cause simultanagnosia and other problems with visual perception. Have you ever seen an elderly person drive directly at you in a parking lot, at low speed, and appear to be completely unaware of your presence? This could be why.