e Maria Mateos,3 Deborah A. Fraser,' Emilie A. Lovelett,' Laurence Coutellier,5 Leo Kim,5 Hui-Hsin Tsai,6.2,8 Eric J. Huang,9 David H. Rowitch,6.2)3 Dominic S. Berns,' Andrea J. Termer,' Mehrdad Shamloo,5 and Ben A. Barres' EFTA00799249 Do Microglia Contribute to Synapse Loss and Cognitive Dysfunction in AD ?