22 Apr 17. Role of amyloid-β plaques in the attentional deficits of Alzheimer’s disease Posted at 12:36h in Posters by Ashwin Rao 0 Likes Share The page you are trying to access requires a login. If you have already registered for the Touchscreen Cognition community, please sign-in below. Or, please register to request access to this page. The Touchscreen Cognition Team Username or E-mail Password * Remember Me Forgot Password