O5‐01‐06: EARLY TAU DETECTION AND IMPLICATIONS FOR DISEASE PROGRESSION. (1st July 2019) - Kotari, Vikas; Navitsky, Michael; Southekal, Sudeepti; Kennedy, Ian; Harris, Thomas; Lu, Ming; Mintun, Mark A.; Fleisher, Adam S.; Pontecorvo, Michael J.; Devous, Michael D.