Fig. 1
From: Cortical microstructure in primary progressive aphasia: a multicenter study
Flowchart of the sample composition. Abbreviations: CATFI, Catalan Frontotemporal Dementia Initiative; FTLD, frontotemporal lobar degeneration; HC, healthy controls; lvPPA, logopenic variant of primary progressive aphasia; MRI, magnetic resonance image; nfvPPA, non-fluent/agrammatic variant of primary progressive aphasia; PPA, primary progressive aphasia; svPPA, semantic variant of primary progressive aphasia; UCSF, University of California San Francisco