Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Clinical and genetic characteristics of the PPA cohort. (A) Clinical categorization of the 403 PPA patients included in this study, following the consensus criteria for PPA. (B) Carriers of (likely) pathogenic variants in the main AD and FTD genes (red) among the three PPA variants. Abbreviations: PPA, logopenic variant primary progressive aphasia; nfvPPA, nonfluent variant PPA; svPPA, semantic variant PPA.
