Different Alzheimers. Posterior cortical atrophy also called benson's syndrome, is most usually considered to be an atypical variant of alzheimer's disease. The disease causes atrophy of the back part of the cerebral cortex, resulting in the progressive disruption of complex visual processing.As the disease progresses, word finding, day-to-day memory and general cognitive functions may become affected.
A form of dementia. It is a rare progressive dementia that is originating in the area of the brain responsible for complex visual processing. Has been described as an alzheimers varient, it is very individually variable-but generally follows an understood pattern of progressive decline. It would be worthwhile for someone with this to seek specialist evaluation and support.