Classification of primary progressive aphasia and its variants

Classification of primary progressive aphasia and its variants

This article supplies a classification of primary progressive aphasia (PPA) and its three primary variants to enhance the uniformity of case reporting and the reliability of analysis outcomes. Criteria for the three variants of PPA–nonfluent/agrammatic, semantic, and logopenic–were developed by a global group of PPA investigators who convened on three events to operationalize earlier printed scientific descriptions for PPA … Read more