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Lived Experience of Dementia in the New Zealand Indian Community: A Qualitative Study With Family Care Givers and People Living With Dementia
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Family history of FXTAS is associated with age-related cognitive-linguistic decline among mothers with the FMR1 premutation.
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In: Journal of neurodevelopmental disorders, vol 14, iss 1 (2022)
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Cortical microstructure in primary progressive aphasia: a multicenter study.
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Illán-Gala, Ignacio; Montal, Victor; Borrego-Écija, Sergi; Mandelli, Maria Luisa; Falgàs, Neus; Welch, Ariane E; Pegueroles, Jordi; Santos-Santos, Miguel; Bejanin, Alexandre; Alcolea, Daniel; Dols-Icardo, Oriol; Belbin, Olivia; Sánchez-Saudinós, Mª Belén; Bargalló, Nuria; González-Ortiz, Sofía; Lladó, Albert; Blesa, Rafael; Dickerson, Bradford C; Rosen, Howard J; Miller, Bruce L; Lleó, Alberto; Gorno-Tempini, Maria Luisa; Sánchez-Valle, Raquel; Fortea, Juan
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In: Alzheimer's research & therapy, vol 14, iss 1 (2022)
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Abstract:
BackgroundCortical mean diffusivity is a novel imaging metric sensitive to early changes in neurodegenerative syndromes. Higher cortical mean diffusivity values reflect microstructural disorganization and have been proposed as a sensitive biomarker that might antedate macroscopic cortical changes. We aimed to test the hypothesis that cortical mean diffusivity is more sensitive than cortical thickness to detect cortical changes in primary progressive aphasia (PPA).MethodsIn this multicenter, case-control study, we recruited 120 patients with PPA (52 non-fluent, 31 semantic, and 32 logopenic variants; and 5 GRN-related PPA) as well as 89 controls from three centers. The 3-Tesla MRI protocol included structural and diffusion-weighted sequences. Disease severity was assessed with the Clinical Dementia Rating scale. Cortical thickness and cortical mean diffusivity were computed using a surface-based approach.ResultsThe comparison between each PPA variant and controls revealed cortical mean diffusivity increases and cortical thinning in overlapping regions, reflecting the canonical loci of neurodegeneration of each variant. Importantly, cortical mean diffusivity increases also expanded to other PPA-related areas and correlated with disease severity in all PPA groups. Cortical mean diffusivity was also increased in patients with very mild PPA when only minimal cortical thinning was observed and showed a good correlation with measures of disease severity.ConclusionsCortical mean diffusivity shows promise as a sensitive biomarker for the study of the neurodegeneration-related microstructural changes in PPA.
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Keyword:
2.1 Biological and endogenous factors; Acquired Cognitive Impairment; Aging; Alzheimer's disease; Alzheimer's Disease including Alzheimer's Disease Related Dementias (AD/ADRD); Alzheimer’s disease; Aphasia; Biomedical Imaging; Brain Disorders; Case-Control Studies; Clinical Research; Dementia; Diffusion; Diffusion Magnetic Resonance Imaging; Frontotemporal Dementia (FTD); Frontotemporal lobar degeneration; Humans; Magnetic resonance; Magnetic Resonance Imaging; Medical and Health Sciences; Neurodegenerative; Neurological; Neurosciences; Primary Progressive; Primary progressive aphasia; Rare Diseases
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URL: https://escholarship.org/uc/item/4td346vg
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Bilingualism, Dementia, and the Neurological Mechanisms in Between: The Need for a More Critical Look Into Dementia Subtypes ...
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Lee, Yan-Yi. - : Apollo - University of Cambridge Repository, 2022
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Anosognosia in Dementia: Evaluation of Perfusion Correlates Using 99mTc-HMPAO SPECT and Automated Brodmann Areas Analysis
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In: Diagnostics; Volume 12; Issue 5; Pages: 1136 (2022)
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Survival in Korean Patients with Frontotemporal Dementia Syndrome: Association with Behavioral Features and Parkinsonism
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In: Journal of Clinical Medicine; Volume 11; Issue 8; Pages: 2260 (2022)
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Semantic Feature Extraction Using SBERT for Dementia Detection
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In: Brain Sciences; Volume 12; Issue 2; Pages: 270 (2022)
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Changes in Pronoun Use a Decade before Clinical Diagnosis of Alzheimer’s Dementia—Linguistic Contexts Suggest Problems in Perspective-Taking
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In: Brain Sciences; Volume 12; Issue 1; Pages: 121 (2022)
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Determinants of Adherence to a “GRADIOR” Computer-Based Cognitive Training Program in People with Mild Cognitive Impairment (MCI) and Mild Dementia
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In: Journal of Clinical Medicine; Volume 11; Issue 6; Pages: 1714 (2022)
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| 10 |
Validation of the Visual Cognitive Assessment Test (VCAT) for the Early Diagnosis of Cognitive Impairment in Multilingual Population in Malaysia
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In: Psych; Volume 4; Issue 1; Pages: 38-48 (2022)
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The Understanding and Experiences of Living with Dementia in Chinese New Zealanders
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In: International Journal of Environmental Research and Public Health; Volume 19; Issue 3; Pages: 1280 (2022)
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Lived Experience of Dementia in the New Zealand Indian Community: A Qualitative Study with Family Care Givers and People Living with Dementia
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In: International Journal of Environmental Research and Public Health; Volume 19; Issue 3; Pages: 1432 (2022)
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Pilotstudie zur parodontalen Gesundheit bei Patienten mit frontotemporaler Demenz ...
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A 'Mini Linguistic State Examination' to classify primary progressive aphasia. ...
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A 'Mini Linguistic State Examination' to classify primary progressive aphasia. ...
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Role of community health workers in addressing dementia: A global perspective
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Temporal cognition: subjective time and its connection with memory in frontotemporal dementia
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Liu, Lulu. - : The University of Sydney, 2022. : Faculty of Science, School of Psychology, 2022
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Improving the diagnostic accuracy of primary progressive aphasia using cognitive tests
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Foxe, David Gordon. - : The University of Sydney, 2022. : Faculty of Science, School of Psychology, 2022
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Primary Progressive Aphasia Associated With GRN Mutations: New Insights Into the Non-amyloid Logopenic Variant
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In: ISSN: 0028-3878 ; EISSN: 1526-632X ; Neurology ; https://hal.archives-ouvertes.fr/hal-03281660 ; Neurology, American Academy of Neurology, 2021, ⟨10.1212/wnl.0000000000012174⟩ (2021)
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Resting functional connectivity in the semantic appraisal network predicts accuracy of emotion identification.
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