The rare condition posterior cortical atrophy (PCA) involves strange, troubling issues with vision and spatial awareness – including difficulty judging distances, seeing movement, and ...

Meta-analysis showed similar levels of Aβ42 in the cerebrospinal fluid of people with posterior cortical atrophy and people with ... of the peptide into amyloid plaques in the brain; notably, PCA is ...

A study illustrates that posterior cortical atrophy (PCA), usually not immediately associated with the syndrome, crops up in a tenth of Alzheimer's sufferers. PCA manifests through an array of ...

Strange visual disturbances occur early in about 10% of Alzheimer's cases, and when this happens it almost always signals the ...