Impaired semantic control in the logopenic variant of primary progressive aphasia

SK Henderson, S Ramanan, MA Rouse… - Brain …, 2025 - academic.oup.com
We investigated semantic cognition in the logopenic variant of primary progressive aphasia,
including (i) the status of verbal and non-verbal semantic performance; and (ii) whether the …

Data-driven neuroanatomical subtypes of primary progressive aphasia

B Taylor, M Bocchetta, C Shand, EG Todd… - Brain, 2024 - academic.oup.com
The primary progressive aphasias are rare, language-led dementias, with three main
variants: semantic, non-fluent/agrammatic and logopenic. Although the semantic variant has …

Greater white matter degeneration and lower structural connectivity in non-amnestic vs. amnestic Alzheimer's disease

JS Phillips, N Adluru, MK Chung… - Frontiers in …, 2024 - frontiersin.org
Introduction Multimodal evidence indicates Alzheimer's disease (AD) is characterized by
early white matter (WM) changes that precede overt cognitive impairment. WM changes …

Neuroanatomical correlates of language impairment in non-fluent variant of primary progressive aphasia

DR Akhmadullina, RN Konovalov… - Frontiers in Human …, 2024 - frontiersin.org
Introduction Non-fluent variant of primary progressive aphasia (nfvPPA) is a
neurodegenerative disorder with a predominantly speech and language impairment …

[HTML][HTML] The Classification and Language Description of Patients with Primary Progressive Aphasia Using the Mini Linguistic State Examination Test

E Herrera, C Acevedo, M González-Nosti - Geriatrics, 2024 - mdpi.com
Introduction. Primary progressive aphasia (PPA) is a clinical syndrome characterized by a
progressive deterioration in language and speech. It is classified into three variants based …

[HTML][HTML] Data-driven subtypes of mixed semantic-logopenic primary progressive aphasia: Linguistic features, biomarker profiles and brain metabolic patterns

S Mazzeo, C Morinelli, C Polito, G Giacomucci… - Journal of the …, 2024 - Elsevier
Mixed primary progressive aphasia (mPPA) accounts for a substantial proportion of primary
progressive aphasia (PPA) cases. However, the lack of a standardised definition of this …

Transdiagnostic approach to language and cognition in the logopenic variant of primary progressive aphasia and Alzheimer's disease

S Henderson - 2024 - repository.cam.ac.uk
Abstract Language is commonly affected in many dementias as a dominant or adjunctive
symptom. Speech and/or language deficits are the primary symptom in primary progressive …