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Your search keyword '"Zarui A. Melikyan"' showing total 7 results
Start Over Author "Zarui A. Melikyan" Publisher wiley
7 results on '"Zarui A. Melikyan"'

3. Self‐reported sleep duration is not associated with pet amyloid deposition in the oldest‐old: The 90+ Study

Author

Charles DeCarli, Maria M. Corrada, Bryce A. Mander, Zarui A. Melikyan, Dana Greenia, Evan Fletcher, Claudia H. Kawas, and Michael J. Phelan

Subjects
medicine.medical_specialty, Epidemiology, Behavioral neurology, business.industry, Health Policy, Neuropsychiatry, Oldest old, Psychiatry and Mental health, Cellular and Molecular Neuroscience, Amyloid deposition, Developmental Neuroscience, medicine, Neurology (clinical), Geriatrics and Gerontology, Psychiatry, business, Sleep duration
Published
2020
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4. P4‐284: Vascular risk factors confer domain‐specific deficits in cognitive performance within an elderly russian population

Author

Irina Zhukova, Natalia G. Zhukova, Larisa Minaycheva, Brenda L. Plassman, Kathleen A. Welsh-Bohmer, Zarui A. Melikyan, Valentina V. Markova, Heather R. Romero, Stepan Buikin, Allen D. Roses, Yuka Maruyama, and O. A. Makeeva

Subjects
Gerontology, Psychiatry and Mental health, Cellular and Molecular Neuroscience, Developmental Neuroscience, Epidemiology, Health Policy, Russian population, Neurology (clinical), Effects of sleep deprivation on cognitive performance, Geriatrics and Gerontology, Vascular risk, Psychology, Domain (software engineering)
Published
2015
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5. O2–04–02: Variations in cognitive performance, demographics and health across community‐based registries, from North Carolina to Tomsk, Russia

Author

Brenda L. Plassman, Ashley A. Dunham, Heather R. Romero, Elena Starinskaya, Marina Abushaeva, O. A. Makeeva, Stepan Buikin, Natalia G. Zhukova, Yuka Maruyama, Zarui A. Melikyan, Kathleen M. Hayden, Ekaterina Karas, Svetlana Burlutskaya, Valentina V. Markova, Larisa Minaycheva, Cassandra M. Germain, Kathleen A. Welsh-Bohmer, and Irina Zhukova

Subjects
Community based, Psychiatry and Mental health, Cellular and Molecular Neuroscience, Geography, Developmental Neuroscience, Demographics, Epidemiology, Health Policy, Environmental health, Neurology (clinical), Effects of sleep deprivation on cognitive performance, Geriatrics and Gerontology
Published
2013
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6. P4‐327: Montreal Cognitive Assessment (MoCA) population‐based study of Russian elderly

Author

Heather MacDonald, Valentina V. Markova, Elena Starinskaya, Irina Zhukova, Michelle McCart, Olga Botkina, Yuka Maruyama, O. A. Makeeva, Kathleen M. Hayden, Larisa Minaycheva, Marina Abushaeva, Nelly Musina, Elena Osinova, Zarui A. Melikyan, Lawrence Whitley, Kathleen A. Welsh-Bohmer, Heather R. Romero, Natalia G. Zhukova, Brenda L. Plassman, and Stepan Buikin

Subjects
Population based study, Gerontology, Psychiatry and Mental health, Cellular and Molecular Neuroscience, Developmental Neuroscience, Epidemiology, business.industry, Health Policy, Medicine, Montreal Cognitive Assessment, Neurology (clinical), Geriatrics and Gerontology, business
Published
2012
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7. A comparison of neuropsychological performance between US and Russia: Preparing for a global clinical trial

Author

Zarui A. Melikyan, Kathleen A. Welsh-Bohmer, Brenda L. Plassman, Cassandra M. Germain, Kathleen M. Hayden, Allen D. Roses, Ashley A. Dunham, L. Kristin Newby, Heather R. Romero, O. A. Makeeva, and Valentina V. Markova

Subjects
Cross-Cultural Comparison, Male, Epidemiology, Neuropsychological Tests, Article, Russia, Cellular and Molecular Neuroscience, Cognition, Developmental Neuroscience, Alzheimer Disease, Surveys and Questionnaires, Humans, Translations, Effects of sleep deprivation on cognitive performance, Aged, Aged, 80 and over, Health Policy, Neuropsychology, Middle Aged, Cross-cultural studies, United States, Clinical trial, Psychiatry and Mental health, Multinational corporation, Female, Neurology (clinical), Geriatrics and Gerontology, Cognition Disorders, Psychology, Regional differences, Clinical psychology
Abstract

Understanding regional differences in cognitive performance is important for interpretation of data from large multinational clinical trials.Data from Durham and Cabarrus Counties in North Carolina, USA and Tomsk, Russia (n = 2972) were evaluated. The Montreal Cognitive Assessment (MoCA), Trail Making Test Part B (Trails B), Consortium to Establish a Registry for Alzheimer's Disease Word List Memory Test (WLM) delayed recall, and self-report Alzheimer's Disease Cooperative Studies Mail-In Cognitive Function Screening Instrument (MCFSI) were administered at each site. Multilevel modeling measured the variance explained by site and predictors of cognitive performance.Site differences accounted for 11% of the variation in the MoCA, 1.6% in Trails B, 1.7% in WLM, and 0.8% in MCFSI scores. Prior memory testing was significantly associated with WLM. Diabetes and stroke were significantly associated with Trails B and MCFSI.Sources of variation include cultural differences, health conditions, and exposure to test stimuli. Findings highlight the importance of local norms to interpret test performance.

Published
2014
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