Alzheimer patients. http://quicklookfilms.com/movie?ads=no&id=135196 truly AMAZING. If you get a chance to watch it, please do so. and a public service announcement: write down your favorite music---genres/groups/songs/decades/musicals, etc etc, and place this list with your medical directives or other important papers so your family will know what music might touch your spirit. they might know, but mine would not. and I don't have an ipod loaded, just not into music these days---listen to many audio books. Anyway, I hope none of us needs this advice, but if it gives just a glimmer of pleasure and memory to us, it's a good thing.http://quicklookfilms.com/movie?ads=no&id=135196