O4‐02‐05: The Relationship of [18F]Av‐1451 Pet Tau Images to Changes in Cognition Over Time. (1st July 2016) - Devous, Michael D.; Navitsky, Michael; Siderowf, Andrew; Kennedy, Ian; Joshi, Abhinay D.; Southekal, Sudeepti; Lu, Ming; Pontecorvo, Michael J.; Mintun, Mark A.