Primary Progressive Aphasia - Part 1

In the first part of this series, Dr. Rogan Magee provides an introduction to primary progressive aphasia (PPA) and explains its three subtypes. 

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1. Grossman M, Seeley WW, Boxer AL, et al. Frontotemporal lobar degeneration. Nat Rev Dis Primers. 2023;9(1):40. Published 2023 Aug 10. doi:10.1038/s41572-023-00447-0 
2. Gorno-Tempini ML, Hillis AE, Weintraub S, et al. Classification of primary progressive aphasia and its variants. Neurology. 2011;76(11):1006-1014. doi:10.1212/WNL.0b013e31821103e6
3. Santos-Santos MA, Rabinovici GD, Iaccarino L, et al. Rates of Amyloid Imaging Positivity in Patients With Primary Progressive Aphasia. JAMA Neurol. 2018;75(3):342-352. doi:10.1001/jamaneurol.2017.4309
4. Mandelli ML, Lorca-Puls DL, Lukic S, et al. Network anatomy in logopenic variant of primary progressive aphasia. Hum Brain Mapp. 2023;44(11):4390-4406. doi:10.1002/hbm.26388 
5. Putcha D, Erkkinen M, Daffner KR. Functional Neurocircuitry of Cognition and Cognitive Syndromes. In: Silbersweig DA, Safar LT, Daffner KR. eds. Neuropsychiatry and behavioral neurology: principles and practice. McGraw Hill; 2021. Accessed November 6, 2025. https://neurology.mhmedical.com/content.aspx?bookid=3007§ionid=253215676 
6. Montembeault M, Brambati SM, Gorno-Tempini ML, Migliaccio R. Clinical, Anatomical, and Pathological Features in the Three Variants of Primary Progressive Aphasia: A Review. Front Neurol. 2018;9:692. Published 2018 Aug 21. doi:10.3389/fneur.2018.00692
7. Clark DG. Frontotemporal Dementia. Continuum (Minneap Minn). 2024;30(6):1642-1672. doi:10.1212/CON.0000000000001506