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http://dx.doi.org/10.1007/s00038-016-0788-x | DOI Listing |
Alzheimers Dement
December 2024
University of Michigan School of Public Health, Ann Arbor, MI, USA.
Background: The ε4 allele of the apolipoprotein E (APOE) gene is the strongest genetic determinant for Alzheimer's disease and cognitive function in nearly all human populations, yet inconsistent effects have been reported in South Asians. The population of India has admixed genetic ancestry with most people falling on a North/South cline and having varying proportions of Ancestral North Indian (ANI) and Ancestral South Indian (ASI) ancestries, and those in east of India fall off the cline due to ancestry from additional ancestral populations. This study examined the ε4 association with cognitive function across 18 states/union territories of India and investigated whether ancestral background modulates ε4 association with cognitive function in 2,590 participants from the Longitudinal Aging Study in India - Diagnostic Assessment of Dementia (LASI-DAD).
View Article and Find Full Text PDFAlzheimers Dement
December 2024
University of Michigan School of Public Health, Ann Arbor, MI, USA.
Background: The prevalence of dementia in India is approximately 7.4% among those aged 60 years and older, yet little is known about genetic risk factors for dementia in this population. Examining genetic variants at higher frequency in India than other ancestries (i.
View Article and Find Full Text PDFAlzheimers Dement
December 2024
University of California, Davis School of Medicine, Sacramento, CA, USA.
Background: The purpose of this study was to evaluate a variety of intrapersonal factors that may also be associated with everyday functional outcomes in older adults with subjective cognitive decline (SCD).
Participants And Methods: Participants included 127 older adults with SCD (age M = 73.1, SD = 4.
Alzheimers Dement
December 2024
Northwestern University Feinberg School of Medicine, Chicago, IL, USA.
Background: Most cognitive screening tests used in primary care to identify adults with cognitive impairment, including Alzheimer's disease and related dementias, have been limited in their diagnostic accuracy, especially in mild cases. Resultant false positives or false negatives (e.g.
View Article and Find Full Text PDFAlzheimers Dement
December 2024
Johns Hopkins University, Baltimore, MD, USA.
Background: Higher level of cognitive reserve (CR), measured using proxies such as years of education or literacy, is associated with reduced risk of Mild Cognitive Impairment (MCI) and dementia. Little is known about how CR and other lifestyle factors impact non-cognitive outcomes, including depression and other neuropsychiatric symptoms (e.g.
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