oss and Cognitive Dysfunction in AD ? 1. AD Models: - J20 APP - APP/PS1 - Acute oAti Model 2. Human AD Brain - AD Brain - CSF Dennis Selkoe Cynthia Lemere Brad Hyman, Tara Spires Lee; John Trojanowsky C. Haass Soyon Hong EFTA00799250 Early, Region Specific Loss of Synapses in AD Models Hippocamp