Additionally, he is Co-Director of the Neuroimaging Group in the Gerontology Research Unit, and the Director of the Dickerson Neuroimaging Lab, at the MGH Martinos Center for Biomedical Imaging. Since 2005, he has been working intensively on Frontotemporal Dementia, Primary Progressive Aphasia, Posterior Cortical Atrophy, and other less common neurodegenerative diseases, which has led him to found the MGH Primary Progressive Aphasia Program in 2007 and the MGH Frontotemporal Disorders Unit in 2008, with the generous collaborative support of the Massachusetts ADRC, the MGH Cognitive and Behavioral Neurology Unit, the MGH Speech and Language Pathology Department, and other affiliated groups.