PCA - a summary
PR professional, Danny Whatmough asked on Twitter tonight: "Does anyone actually use Siri?"
My response was "Yes - PCA patients. While they are still speaking but not seeing properly, they find it useful." I needed to point him to somewhere sensible for a more detailed explanation of the condition and realised this blog was missing one. So I had a dig around the internet and came across the document that appears below. It was posted on a Yahoo! discussion group and written up by specialists at the Mayo clinic in America so the references are naturally US-centric. All the same, it does a good job...