The DOI matches its Crossref record; 228 of the 228 references it cites were found in a registry or an index.
Speech and language impairments in behavioral variant frontotemporal dementia: A systematic review
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Abstract
Although behavioral variant frontotemporal dementia (bvFTD) is classically defined by behavioral and socio-emotional changes, impairments often extend to other cognitive functions. These include early speech and language deficits related to the disease's core neural disruptions. Yet, their scope and clinical relevance remains poorly understood. This systematic review characterizes such disturbances in bvFTD, considering clinically, neuroanatomically, genetically, and neuropathologically defined subgroups. We included 181 experimental studies, with at least 5 bvFTD patients diagnosed using accepted criteria, comparing speech and language outcomes between bvFTD patients and healthy controls or between bvFTD subgroups. Results reveal extensive and heterogeneous deficits across cohorts, with (a) consistent lexico-semantic, reading & writing, and prosodic impairments; (b) inconsistent deficits in motor speech and grammar; and (c) relative preservation of phonological skills. Also, preliminary findings suggest that the severity of speech and language deficits might be associated with global cognitive impairment, predominantly temporal or fronto-temporal atrophy and MAPT mutations (vs C9orf72). Although under-recognized, these impairments contribute to patient characterization and phenotyping, while potentially informing diagnosis and management.
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“behavioural variant frontotemporal de mentia (picture naming deficits, 6,32 atypical speech rhythm, poor reading skills 6 ).”
From Speech and language markers of neurodegeneration: a call for global equity (2023) · cites this paper as [6]
In the citing paper
“That being said, the evidence is altogether mixed, 6 calling for harmonized protocols that enable robust comparisons across languages while ac counting for socio-cultural factors in this syndrome. 32”
From Speech and language markers of neurodegeneration: a call for global equity (2023) · cites this paper as [6]
In the citing paper
“Furthermore, English has been targeted by 65% of verbal production studies on Parkinson's disease 82 and by 74% of speech and language stud ies on behavioural variant frontotemporal dementia 6”
From Speech and language markers of neurodegeneration: a call for global equity (2023) · cites this paper as [6]
In the citing paper
“Yet, some evidence suggests that lexico-semantic skills are more fre quently impaired in English than in Spanish-speaking cohorts. 6”
From Speech and language markers of neurodegeneration: a call for global equity (2023) · cites this paper as [6]
In the citing paper
“However, recent works underscore the broad clinical utility of speech and language testing in these 4,6 and other 140 neurodegenerative disor ders, even if many deficits are secondary to broader motoric or cogni tive dysfunction.”
From Speech and language markers of neurodegeneration: a call for global equity (2023) · cites this paper as [6]
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Speech and language markers of neurodegeneration: a call for global equity
García, A. M., de Leon, J., Tee, B. L., Blasi, D. E., & Gorno-Tempini, M. L. (2023) · Brain · doi:10.1093/brain/awad253 · Cited by 102
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Language in behavioral variant frontotemporal dementia: Another stone to be turned in Latin America
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Metadata
- Authors
- Geraudie, A., Battista, P., García, A. M., Allen, I. E., Miller, Z. A., Gorno-Tempini, M. L., & Montembeault, M.
- Affiliations
- University of California, San Francisco (US)
- Universidad de Santiago de Chile (CL)
- Corresponding author
- Montembeault, Maxime
- Venue
- Neuroscience & Biobehavioral Reviews
- Publisher
- Elsevier BV
- Published
- 2021-12
- Volume
- 131
- Pages
- 1076-1095
- ISSN
- 0149-7634 (ISSN-L)
- PMC
- PMC12169595
- OpenAlex
- W3205923164
- Cited by
- 80
- References
- 228
- Citations by year
- 2026: 13 · 2025: 16 · 2024: 20 · 2023: 16 · 2022: 13 · 2021: 2
- FWCI
- 2.27
- Type
- journal article
- Language
- en
- Open access
- green
- doi.org
- Licence
- Locations
- Neuroscience & Biobehavioral Reviews (publishedVersion)
- medRxiv (acceptedVersion, cc-by-nc-nd)
- PubMed (publishedVersion)
- PubMed Central (acceptedVersion)
- Conicet (submittedVersion, cc-by-nc-sa)
- Funders
- Universidad de Santiago de Chile
- Consejo Nacional de Investigaciones Científicas y Técnicas (1210176, 1210195)
- Agencia Nacional de Investigación y Desarrollo (1210195, 1210176)
- University of California, San Francisco
- Canadian Institutes of Health Research
- Fonds de Recherche du Québec - Santé
- National Institute on Aging (P01AG019724)
- National Institute of Neurological Disorders and Stroke (R01NS050915)
- Topics
- Health Sciences › Medicine › Psychiatry and Mental health › Dementia and Cognitive Impairment Research
- Health Sciences › Medicine › Clinical Neurology › Amyotrophic Lateral Sclerosis Research
- Life Sciences › Neuroscience › Cognitive Neuroscience › Neurobiology of Language and Bilingualism
- Keywords
- behavioral variant frontotemporal dementia, speech disorders, language impairment, motor speech, grammar, phonological skills, MAPT mutations, C9orf72, global cognitive impairment, disease phenotyping
- MeSH terms
- Atrophy, Humans, Language, Language Development Disorders, Neuropsychological Tests, Speech, Frontotemporal Dementia
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