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Dementia Care Research and Psychosocial Factors.
Alzheimers Dement
December 2024
John P. Hussman Institute for Human Genomics, University of Miami Miller School of Medicine, Miami, FL, USA.
Background: Black Americans (BAs), Hispanics/Latinos (H/Ls), and Africans (As) face a disproportionate burden of aging and Alzheimer's Disease and Related Dementias (AD/ADRD), coupled with underrepresentation in research. Further, researchers also report a lack of compliance on sensitive social determinants of health data for AD/ADRD research. For instance, the PRAPARE tool reports a low completion rate in community and clinical settings.
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Alzheimers Dement
December 2024
Shanghai Sixth People's Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai, China.
Background: Speech impairment appears at early stages of Alzheimer's disease. A mobile voice recognition-based cognitive assessment tool, Shanghai Cognitive Screening (SCS), was developed for detecting mild cognitive impairment (MCI) and dementia in the community. The objective of this study is to investigate speech biomarkers associated with cognitive impairments based on SCS, and to evaluate the diagnostic accuracy of speech feature-based machine learning (ML) models for detecting MCI.
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Alzheimers Dement
December 2024
University of Pennsylvania, Philadelphia, PA, USA.
Background: Structural and functional heterogeneity in the brains of patients with Alzheimer's disease (AD) leads to diagnostic and prognostic uncertainty and confounds clinical treatment planning. Normative modelling, where individual-level deviations in brain measures from a reference sample are computed to infer personalized effects of disease, allows parsing of disease heterogeneity. In this study, GAN based normative modelling technique quantifies individual level neuroanatomical abnormality thereby facilitating measurement of personalized disease related effects in AD patients.
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Alzheimers Dement
December 2024
UT Health San Antonio, San Antonio, TX, USA.
Background: Primary progressive aphasia (PPA) is a language-led dementia associated with underlying Alzheimer's disease (AD) or frontotemporal lobar degeneration pathology. As part of the Alzheimer's spectrum, logopenic (lv) PPA may be particularly difficult to distinguish from amnestic AD, due to overlapping clinical features. Analysis of linguistic and acoustic variables derived from connected speech has shown promise as a diagnostic tool for differentiating dementia subtypes.
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Alzheimers Dement
December 2024
Memory and Aging Center, UCSF Weill Institute for Neurosciences, University of California, San Francisco, San Francisco, CA, USA.
Background: Subjective cognitive concerns are common in functionally intact adults, potentially indicating future cognitive decline. Remote smartphone cognitive testing holds promise for objectively tracking cognition in individuals reporting complaints. In our initial exploration of the link between subjective cognitive complaints and digital clinical outcomes, we examined participants' self-reported cognitive complaints' association with smartphone tests on memory and executive functioning.
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