Eleven of 69 prospectively enrolled primary progressive aphasics were selected for this
study because of peak atrophy sites located predominantly or exclusively within the anterior …

Primary progressive aphasia (PPA) is a neurodegenerative syndrome that causes a gradual
atrophy of the left hemisphere language network, leading to impairments of object naming …

Wernicke's aphasia is characterized by severe word and sentence comprehension
impairments. The location of the underlying lesion site, known as Wernicke's area, remains …

Disproportionate impairment of naming nouns versus verbs and the opposite pattern have
been reported in cases of focal brain damage or degenerative disease, indicating that …

Neuroimaging and neuropsychological studies have implicated the anterior temporal lobe
(ATL) in sentence-level processing, with syntactic structure-building and/or combinatorial …

Background: Various clinical types of primary progressive aphasia have been associated
with distinct areas of atrophy and pathological changes. Therefore, differences in the …

Background: A cross-culturally valid nonverbal assessment of semantic knowledge is
needed. Accurately identifying impairment of object semantics is important for diagnosis of …

Two patients with nonfluent progressive aphasia, who have been studied longitudinally, are
contrasted with a group of 5 patients with fluent progressive aphasia or semantic dementia …

Abstract Language samples collected yearly for up to 11 years post-onset of symptoms from
four subjects presenting with non-fluent primary progressive aphasia (PPA) were analyzed …

• Objective.—The profile of language impairment in patients with primary progressive
aphasia in comparison with the language impairment in patients with Alzheimer's disease …