Primary Progressive Aphasia has a Unique Signature Distinct from Dementia of the Alzheimer's Type and Behavioral Variant Frontotemporal Dementia Regardless of Pathology. Issue 12 (17th July 2020) - Gefen, Tamar; Mao, Qinwen; Kohler, Missia; Moeller, Stacey; Kawles, Allegra; Coventry, Christina; Spencer, Callen; Lilek, Jaclyn; Ajroud, Kaouther; Feldman, Alex; Flanagan, Margaret; Rogalski, Emily; et al.