Primary progressive aphasia (PPA) is classified into three variants, logopenic variant PPA
(lvPPA), nonfluent agrammatic PPA (nfaPPA), and semantic variant PPA (svPPA), based on …

The chapter covers the clinical syndrome of a primary progressive aphasia (PPA), the
demographics of this rare neurodegenerative disease, defining clinical and neuroanatomic …

Background Naming impairment is commonly noted in individuals with aphasia. However,
object naming receives more attention than action naming. Furthermore, most studies …

Impaired verbal 'phonological'short-term memory is considered a cardinal feature of the
logopenic variant of primary progressive aphasia (lv-PPA) and is assumed to underpin most …

Objective The variants of primary progressive aphasia (PPA) are predominantly diagnosed
on the basis of specific profiles of language impairments. Deficits in other cognitive domains …

Alzheimer's disease (AD) is a neuropathological disorder defined by the deposition of the
proteins, tau and β-amyloid. Alzheimer's disease is commonly thought of as a disease of the …

Purpose: Visual-related abilities such as visual memory and visuo-constructional skills are
among the cognitive abilities with fundamental importance for normal cognitive function, and …

Purpose Diagnosis and classification of primary progressive aphasia (PPA) requires
confirmation of specific speech and language symptoms, highlighting the important role of …

Objective Differentiating the primary progressive aphasia (PPA) variants in clinical settings
remains complex and challenging, especially for the logopenic (lv‐PPA) and non‐fluent …

The premise of this study is that spoken word recognition and object knowledge are
impaired in semantic variant primary progressive aphasia (PPA)(svPPA) and are spared in …