The diagnostic criteria for nonfluent/agrammatic variant PPA (NFAV-PPA) developed by an international group of PPA investigators use two diagnostic categories: clinical diagnosis and imaging-supported

The diagnostic criteria for semantic variant PPA (SV-PPA) developed by an international group of PPA investigators use two diagnostic categories: clinical diagnosis and imaging-supported diagnosis.

An international consortium of experts agreed upon these diagnostic criteria for behavioral variant frontotemporal dementia (bvFTD) in 2010.

FTD nomenclature has evolved rapidly as our scientific understanding has improved.

diagnsotic criteria for frontotemporal lobar degeneration