Going home with a new cognitive disability is a shock to most people who have never been around anyone with a similar condition. "You'll be fine when we get home" is wishful thinking and can provide a sense of false hope. Help and advice that was refused in the hospital is greeted with a hundred questions one or two weeks later. Most people need time to recognize the reality of a cognitive disability because the problem is not visible until after two or three weeks.
When people have a recent end of recovery and are now functioning below their previous ability to function, they are often overlooked.