Objective: To investigate whether the topography of dilated perivascular spaces (DPVS)
corresponds with markers of particular small-vessel diseases such as cerebral amyloid …

A wealth of neuroimaging research has associated semantic variant primary progressive
aphasia with distributed cortical atrophy that is most prominent in the left anterior temporal …

Objective The semantic variant of primary progressive aphasia (svPPA) is typically
associated with frontotemporal lobar degeneration (FTLD) with longTAR DNA-binding …

Posterior cortical atrophy (PCA) is a progressive neurocognitive syndrome, most commonly
associated with the loss of complex visuospatial functions. Diagnosis is challenging, and …

Posterior cortical atrophy (PCA), usually an atypical clinical syndrome of Alzheimer's
disease, has well-characterized patterns of cortical atrophy and tau deposition that are …

Background Posterior cortical atrophy is a rare syndrome characterised by early, prominent,
and progressive impairment in visuoperceptual and visuospatial processing. The disorder …

Objective To evaluate whether a quantitative speech measure is effective in identifying and
monitoring motor speech impairment (MSI) in patients with primary progressive aphasia …

Agrammatism is a disorder of language production characterized by short, simplified
sentences, the omission of function words, an increased use of nouns over verbs and a …

Objective Nonfluent aphasia is characterized by simplified sentence structures and word‐
level abnormalities, including reduced use of verbs and function words. The predominant …

Background: Primary progressive aphasia (PPA) is a neurodegenerative aphasic syndrome
with three distinct clinical variants: non-fluent (nfvPPA), logopenic (lvPPA), and semantic …