P1‐262: NEUROFILAMENT LIGHT PROTEIN IS ASSOCIATED WITH COGNITIVE DECLINE WITHIN THE ATN MODEL. (1st July 2006) - Merluzzi, Andrew P.; Clark, Lindsay R.; Norton, Derek L.; Jonaitis, Erin; Vogt, Nicholas M.; Carlsson, Cynthia M.; Asthana, Sanjay; Johnson, Sterling C.; Zetterberg, Henrik; Blennow, Kaj; Bendlin, Barbara B.