Primary progressive aphasia (PPA) is characterized by profound destruction of cortical
language areas. Anatomical studies suggest an involvement of cholinergic basal forebrain …

Primary progressive aphasia (PPA) is characterized by left hemispheric frontotemporal
cortical atrophy. Evidence from anatomical studies suggests that the nucleus subputaminalis …

Primary progressive aphasia (PPA) is a heterogeneous syndrome with various
neuropathological causes for which no medical treatment with proven efficacy exists. Basal …

Objective The three recognized variants of primary progressive aphasia (PPA) are
associated with different loci of degeneration—left posterior perisylvian in logopenic variant …

The logopenic variant of primary progressive aphasia (lvPPA) is a neurodegenerative
syndrome characterized linguistically by gradual loss of repetition and naming skills …

The logopenic variant of primary progressive aphasia (PPA) is characterised by impaired
sentence repetition and word retrieval difficulties. Post mortem studies, amyloid imaging and …

Primary progressive aphasia (PPA) is a group of disorders with progressive language
impairment. Abnormal behaviour may develop in PPA as the disease evolves, but the …

Objective: To disentangle the clinical heterogeneity of nonsemantic variants of primary
progressive aphasia (PPA) and to identify a coherent linguistic-anatomical marker for the …

Neuroimaging studies have described the brain alterations in primary progressive aphasia
(PPA) variants (semantic, logopenic, nonfluent/agrammatic). However, few studies …

Background Most subjects with logopenic variant of primary progressive aphasia (lvPPA)
have β-amyloid (Aβ) deposition on Pittsburgh Compound B positron emission tomography …