cerebral atrophy means shinkage of the brain, 99% of the time there is nothing to cure only to help,if this is a loved one i would suggest getting them to doc asap.... could be cause by prolonged hypertension...vitamine difficiency,,,,or other things you need some test to rule these things out..ekg ,labs,mri aricept is a good drug thats out that can help if the person is experiencing mild-moderate dementia(confusion)check into it asap!!!