Frederick Unverzagt

  • 14378 Citations
  • 55 h-Index
1989 …2020

Research output per year

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Publications

2020

Serum magnesium concentration and incident cognitive impairment: the reasons for geographic and racial differences in stroke study

Chen, C., Xun, P., Unverzagt, F., McClure, L. A., Irvin, M. R., Judd, S., Cushman, M. & He, K., 2020, (Accepted/In press) In : European Journal of Nutrition.

Research output: Contribution to journalArticle

The relationship of longitudinal cognitive change to self-reported IADL in a general population

Passler, J. S., Kennedy, R. E., Clay, O. J., Crowe, M., Howard, V. J., Cushman, M., Unverzagt, F. W. & Wadley, V. G., Jan 2 2020, In : Aging, Neuropsychology, and Cognition. 27, 1, p. 125-139 15 p.

Research output: Contribution to journalArticle

Vascular-brain Injury Progression after Stroke (VIPS) study: concept for understanding racial and geographic determinants of cognitive decline after stroke

Sarfo, F. S., Akinyemi, R., Howard, G., Howard, V. J., Wahab, K., Cushman, M., Levine, D. A., Ogunniyi, A., Unverzagt, F., Owolabi, M. & Ovbiagele, B., May 15 2020, In : Journal of the Neurological Sciences. 412, 116754.

Research output: Contribution to journalReview article

2019

A PheWAS study of a large observational epidemiological cohort of African Americans from the REGARDS study

Zhao, X., Geng, X., Srinivasasainagendra, V., Chaudhary, N., Judd, S., Wadley, V., Gutiérrez, O. M., Wang, H., Lange, E. M., Lange, L. A., Woo, D., Unverzagt, F. W., Safford, M., Cushman, M., Limdi, N., Quarells, R., Arnett, D. K., Irvin, M. R. & Zhi, D., Jan 31 2019, In : BMC Medical Genomics. 12, 26.

Research output: Contribution to journalArticle

1 Scopus citations

Blood Pressure and Cognitive Decline over 8 Years in Middle-Aged and Older Black and White Americans

Levine, D. A., Galecki, A. T., Langa, K. M., Unverzagt, F. W., Kabeto, M. U., Giordani, B., Cushman, M., McClure, L. A., Safford, M. M. & Wadley, V. G., 2019, In : Hypertension. 73, 2, p. 310-318 9 p.

Research output: Contribution to journalArticle

10 Scopus citations

Calcium intake and serum calcium level in relation to the risk of ischemic stroke: Findings from the REGARDS study

Dibaba, D. T., Xun, P., Fly, A. D., Bidulescu, A., Tsinovoi, C. L., Judd, S. E., McClure, L. A., Cushman, M., Unverzagt, F. W. & He, K., Sep 2019, In : Journal of Stroke. 21, 3, p. 312-323 12 p.

Research output: Contribution to journalArticle

Open Access

Erratum: stematic review and meta-analysis of individual participant data (Clin Epidemiol. 2018, 10, 363–379)

ICARA Study Group, Mar 1 2019, In : Clinical Epidemiology. 11, p. 229-230 2 p.

Research output: Contribution to journalComment/debate

Open Access

MIND food and speed of processing training in older adults with low education, the MINDSpeed Alzheimer's disease prevention pilot trial

Clark, D. O., Xu, H., Moser, L., Adeoye, P., Lin, A. W., Tangney, C. C., Risacher, S. L., Saykin, A. J., Considine, R. V. & Unverzagt, F. W., Sep 2019, In : Contemporary Clinical Trials. 84, 105814.

Research output: Contribution to journalArticle

Sickle cell trait and risk of cognitive impairment in African-Americans: The REGARDS cohort

Cahill, C. R., Leach, J. M., McClure, L. A., Irvin, M. R., Zakai, N. A., Naik, R., Unverzagt, F., Wadley, V. G., Hyacinth, H. I., Manly, J., Judd, S. E., Winkler, C. & Cushman, M., May 1 2019, In : EClinicalMedicine. 11, p. 27-33 7 p.

Research output: Contribution to journalArticle

Open Access
1 Scopus citations

Spatiotemporal brain activity associated with hearing and reading in patients with verbal hallucinations: An fMRI study

Stephane, M., Sikora, M., Unverzagt, F., Yoon, G. & Meriwether, D., Nov 1 2019, In : Psychiatry and Clinical Neurosciences. 73, 11, p. 715-717 3 p.

Research output: Contribution to journalLetter

The Prevalence of Cognitive Impairment Among Adults With Incident Heart Failure: The “Reasons for Geographic and Racial Differences in Stroke” (REGARDS) Study

Sterling, M. R., Jannat-Khah, D., Bryan, J., Banerjee, S., McClure, L. A., Wadley, V. G., Unverzagt, F. W., Levitan, E. B., Goyal, P., Peterson, J. C., Manly, J. J., Levine, D. A. & Safford, M. M., Feb 2019, In : Journal of Cardiac Failure. 25, 2, p. 130-136 7 p.

Research output: Contribution to journalArticle

5 Scopus citations

Verbal fluency in a national sample: Telephone administration methods

Marceaux, J. C., Prosje, M. A., McClure, L. A., Kana, B., Crowe, M., Kissela, B., Manly, J., Howard, G., Tam, J. W., Unverzagt, F. W. & Wadley, V. G., Apr 2019, In : International Journal of Geriatric Psychiatry. 34, 4, p. 578-587 10 p.

Research output: Contribution to journalArticle

1 Scopus citations

White matter alterations in early-stage Alzheimer's disease: A tract-specific study

Wen, Q., Mustafi, S. M., Li, J., Risacher, S. L., Tallman, E., Brown, S. A., West, J. D., Harezlak, J., Farlow, M. R., Unverzagt, F. W., Gao, S., Apostolova, L. G., Saykin, A. J. & Wu, Y. C., Dec 2019, In : Alzheimer's and Dementia: Diagnosis, Assessment and Disease Monitoring. 11, p. 576-587 12 p.

Research output: Contribution to journalArticle

Open Access
5 Scopus citations
2018

Anticholinergics Influence Transition from Normal Cognition to Mild Cognitive Impairment in Older Adults in Primary Care

Campbell, N. L., Lane, K. A., Gao, S., Boustani, M. A. & Unverzagt, F., May 2018, In : Pharmacotherapy. 38, 5, p. 511-519 9 p.

Research output: Contribution to journalArticle

15 Scopus citations
5 Scopus citations
Open Access
12 Scopus citations

Arsenic exposure in relation to ischemic stroke the reasons for geographic and racial differences in stroke study

Tsinovoi, C. L., Xun, P., McClure, L. A., Carioni, V. M. O., Brockman, J. D., Cai, J., Guallar, E., Cushman, M., Unverzagt, F. W., Howard, V. J. & He, K., 2018, In : Stroke. 49, 1, p. 19-26 8 p.

Research output: Contribution to journalArticle

6 Scopus citations

Changes of glucose levels precede dementia in African-Americans with diabetes but not in Caucasians

Hendrie, H. C., Zheng, M., Lane, K. A., Ambuehl, R., Purnell, C., Li, S., Unverzagt, F. W., Murray, M. D., Balasubramanyam, A., Callahan, C. M. & Gao, S., Dec 2018, In : Alzheimer's and Dementia. 14, 12, p. 1572-1579 8 p.

Research output: Contribution to journalArticle

2 Scopus citations
8 Scopus citations

Detection of tau in Gerstmann-Sträussler-Scheinker disease (PRNP F198S) by [18F]Flortaucipir PET

Risacher, S. L., Farlow, M. R., Bateman, D. R., Epperson, F., Tallman, E. F., Richardson, R., Murrell, J. R., Unverzagt, F. W., Apostolova, L. G., Bonnin, J. M., Ghetti, B. & Saykin, A. J., Oct 29 2018, In : Acta Neuropathologica Communications. 6, 1, p. 114 1 p.

Research output: Contribution to journalArticle

2 Scopus citations

Galectin-3 and incident cognitive impairment in REGARDS, a cohort of blacks and whites

Venkatraman, A., Callas, P., McClure, L. A., Unverzagt, F., Arora, G., Howard, V., Wadley, V. G., Cushman, M. & Arora, P., 2018, In : Alzheimer's and Dementia: Translational Research and Clinical Interventions. 4, p. 165-172 8 p.

Research output: Contribution to journalArticle

3 Scopus citations

Hemostasis biomarkers and incident cognitive impairment: the REGARDS study

Gillett, S. R., McClure, L. A., Callas, P. W., Thacker, E. L., Unverzagt, F. W., Wadley, V. G., Letter, A. J. & Cushman, M., Jul 2018, In : Journal of Thrombosis and Haemostasis. 16, 7, p. 1259-1267 9 p.

Research output: Contribution to journalArticle

2 Scopus citations

Improving Recovery and Outcomes Every Day after the ICU (IMPROVE): Study protocol for a randomized controlled trial

Wang, S., Hammes, J., Khan, S., Gao, S., Harrawood, A., Martinez, S., Moser, L., Perkins, A., Unverzagt, F. W., Clark, D. O., Boustani, M. & Khan, B., Mar 27 2018, In : Trials. 19, 1, 196.

Research output: Contribution to journalArticle

2 Scopus citations

Mobile critical care recovery program (m-CCRP) for acute respiratory failure survivors: Study protocol for a randomized controlled trial

Khan, S., Biju, A., Wang, S., Gao, S., Irfan, O., Harrawood, A., Martinez, S., Brewer, E., Perkins, A., Unverzagt, F. W., Lasiter, S., Zarzaur, B., Rahman, O., Boustani, M. & Khan, B., Feb 7 2018, In : Trials. 19, 1, 94.

Research output: Contribution to journalArticle

4 Scopus citations

Risk factors for poststroke cognitive decline: The REGARDS study (reasons for geographic and racial differences in stroke)

Levine, D. A., Wadley, V. G., Langa, K. M., Unverzagt, F. W., Kabeto, M. U., Giordani, B., Howard, G., Howard, V. J., Cushman, M., Judd, S. E. & Galecki, A. T., Apr 2018, In : Stroke. 49, 4, p. 987-994 8 p.

Research output: Contribution to journalArticle

16 Scopus citations

Self-perceived Difficulties in Everyday Function Precede Cognitive Decline among Older Adults in the ACTIVE Study

Tomaszewski Farias, S., Giovannetti, T., Payne, B. R., Marsiske, M., Rebok, G. W., Schaie, K. W., Thomas, K. R., Willis, S. L., Dzierzewski, J. M., Unverzagt, F. & Gross, A. L., Jan 1 2018, In : Journal of the International Neuropsychological Society. 24, 1, p. 104-112 9 p.

Research output: Contribution to journalArticle

11 Scopus citations
2017

Glucose level decline precedes dementia in elderly African Americans with diabetes

Hendrie, H. C., Zheng, M., Li, W., Lane, K., Ambuehl, R., Purnell, C., Unverzagt, F. W., Torke, A., Balasubramanyam, A., Callahan, C. M. & Gao, S., Feb 1 2017, In : Alzheimer's and Dementia. 13, 2, p. 111-118 8 p.

Research output: Contribution to journalArticle

6 Scopus citations

Racial Differences in the Incidence of Cardiovascular Risk Factors in Older Black and White Adults

Howard, G., Safford, M. M., Moy, C. S., Howard, V. J., Kleindorfer, D. O., Unverzagt, F. W., Soliman, E. Z., Flaherty, M. L., McClure, L. A., Lackland, D. T., Wadley, V. G., Pulley, L. V. & Cushman, M., Jan 1 2017, In : Journal of the American Geriatrics Society. 65, 1, p. 83-90 8 p.

Research output: Contribution to journalArticle

30 Scopus citations

Speed of processing training results in lower risk of dementia

Edwards, J. D., Xu, H., Clark, D. O., Guey, L. T., Ross, L. A. & Unverzagt, F. W., Nov 2017, In : Alzheimer's and Dementia: Translational Research and Clinical Interventions. 3, 4, p. 603-611 9 p.

Research output: Contribution to journalArticle

30 Scopus citations
2016

Association between anticholinergic medication use and cognition, brain metabolism, and brain atrophy in cognitively normal older adults

Alzheimer's Disease Neuroimaging Initiative, Jun 2016, In : JAMA Neurology. 73, 6, p. 721-732 12 p.

Research output: Contribution to journalArticle

104 Scopus citations

Dementia incidence declined in African-Americans but not in Yoruba

Gao, S., Ogunniyi, A., Hall, K. S., Baiyewu, O., Unverzagt, F. W., Lane, K. A., Murrell, J. R., Gureje, O., Hake, A. M. & Hendrie, H. C., Mar 1 2016, In : Alzheimer's and Dementia. 12, 3, p. 244-251 8 p.

Research output: Contribution to journalArticle

31 Scopus citations

Dietary patterns are associated with cognitive function in the REasons for Geographic And Racial Differences in Stroke (REGARDS) cohort

Pearson, K. E., Wadley, V. G., McClure, L. A., Shikany, J. M., Unverzagt, F. W. & Judd, S. E., Jan 8 2016, In : Journal of Nutritional Science. 5, e38.

Research output: Contribution to journalArticle

11 Scopus citations
11 Scopus citations

Genetic architecture of age-related cognitive decline in African Americans

Raj, T., Chibnik, L. B., McCabe, C., Wong, A., Replogle, J. M., Yu, L., Gao, S., Unverzagt, F. W., Stranger, B., Murrell, J., Barnes, L., Hendrie, H. C., Foroud, T., Krichevsky, A., Bennett, D. A., Hall, K. S., Evans, D. A. & De Jager, P. L., 2016, In : Neurology: Genetics. 3, 1, e125.

Research output: Contribution to journalArticle

10 Scopus citations

Longitudinal association between selenium levels and hypertension in a rural elderly Chinese cohort

Su, L., Jin, Y., Unverzagt, F. W., Liang, C., Cheng, Y., Hake, A. M., Kuruppu, D., Ma, F., Liu, J., Chen, C., Bian, J., Li, P. & Gao, S., Dec 1 2016, In : Journal of Nutrition, Health and Aging. 20, 10, p. 983-988 6 p.

Research output: Contribution to journalArticle

11 Scopus citations

Nail Selenium Level and Diabetes in Older People in Rural China

SU, L. Q., JIN, Y. L., Unverzagt, F., CHENG, Y. B., Hake, A., RAN, L., MA, F., LIU, J. Y., CHEN, C., BIAN, J. C., WU, X. P. & Gao, S., Nov 1 2016, In : Biomedical and Environmental Sciences. 29, 11, p. 818-824 7 p.

Research output: Contribution to journalLetter

7 Scopus citations

N-Terminal Pro-B-Type Natriuretic Peptide and Risk of Future Cognitive Impairment in the REGARDS Cohort

Cushman, M., Callas, P. W., McClure, L. A., Unverzagt, F. W., Howard, V. J., Gillett, S. R., Thacker, E. L. & Wadley, V. G., Sep 6 2016, In : Journal of Alzheimer's Disease. 54, 2, p. 497-503 7 p.

Research output: Contribution to journalArticle

14 Scopus citations

The cognitive change index as a measure of self and informant perception of cognitive decline: Relation to neuropsychological tests

Rattanabannakit, C., Risacher, S. L., Gao, S., Lane, K. A., Brown, S. A., McDonald, B. C., Unverzagt, F. W., Apostolova, L. G., Saykin, A. J. & Farlow, M. R., Apr 12 2016, In : Journal of Alzheimer's Disease. 51, 4, p. 1145-1155 11 p.

Research output: Contribution to journalArticle

33 Scopus citations

Where to focus efforts to reduce the black-white disparity in stroke mortality: Incidence versus case fatality?

Howard, G., Moy, C. S., Howard, V. J., McClure, L. A., Kleindorfer, D. O., Kissela, B. M., Judd, S. E., Unverzagt, F. W., Soliman, E. Z., Safford, M. M., Cushman, M., Flaherty, M. L. & Wadley, V. G., Jul 1 2016, In : Stroke. 47, 7, p. 1893-1898 6 p.

Research output: Contribution to journalArticle

16 Scopus citations
2015

Adherence to a Mediterranean diet and prediction of incident stroke

Tsivgoulis, G., Psaltopoulou, T., Wadley, V. G., Alexandrov, A. V., Howard, G., Unverzagt, F. W., Moy, C., Howard, V. J., Kissela, B. & Judd, S. E., Mar 1 2015, In : Stroke. 46, 3, p. 780-785 6 p.

Research output: Contribution to journalArticle

36 Scopus citations

Correlates of Incident Cognitive Impairment in the REasons for Geographic and Racial Differences in Stroke (REGARDS) Study

Gillett, S. R., Thacker, E. L., Letter, A. J., McClure, L. A., Wadley, V. G., Unverzagt, F. W., Kissela, B. M., Kennedy, R. E., Glasser, S. P., Levine, D. A. & Cushman, M., May 19 2015, In : Clinical Neuropsychologist. 29, 4, p. 466-486 21 p.

Research output: Contribution to journalArticle

6 Scopus citations

Genetic influences on plasma homocysteine levels in African Americans and Yoruba Nigerians

Kim, S., Nho, K., Ramanan, V. K., Lai, D., Foroud, T. M., Lane, K., Murrell, J. R., Gao, S., Hall, K. S., Unverzagt, F. W., Baiyewu, O., Ogunniyi, A., Gureje, O., Kling, M. A., Doraiswamy, P. M., Kaddurah-Daouk, R., Hendrie, H. C. & Saykin, A. J., Dec 24 2015, In : Journal of Alzheimer's Disease. 49, 4, p. 991-1003 13 p.

Research output: Contribution to journalArticle

5 Scopus citations

Meet our editorial board

Unverzagt, F. W., May 1 2015, In : Current Alzheimer research. 12, 4, 1 p.

Research output: Contribution to journalEditorial

Regular aspirin use does not reduce risk of cognitive decline

Kelley, B. J., McClure, L. A., Unverzagt, F. W., Kissela, B., Kleindorfer, D., Howard, G. & Wadley, V. G., Feb 1 2015, In : Journal of the American Geriatrics Society. 63, 2, p. 390-392 3 p.

Research output: Contribution to journalLetter

8 Scopus citations

Selenium level and Dyslipidemia in rural elderly Chinese

Su, L., Gao, S., Unverzagt, F., Cheng, Y., Hake, A., Xin, P., Chen, C., Liu, J., Ma, F., Bian, J., Li, P. & Jin, Y., Sep 18 2015, In : PLoS One. 10, 9, e0136706.

Research output: Contribution to journalArticle

12 Scopus citations

Statin use, incident dementia and Alzheimer disease in elderly African Americans

Hendrie, H. C., Hake, A., Lane, K., Purnell, C., Unverzagt, F., Smith-Gamble, V., Murrell, J., Ogunniyi, A., Baiyewu, O., Callahan, C., Saykin, A., Taylor, S., Hall, K. & Gao, S., Jun 1 2015, In : Ethnicity and Disease. 25, 3, p. 345-354 10 p.

Research output: Contribution to journalArticle

Open Access
23 Scopus citations

The association between selenium and lipid levels: A longitudinal study in rural elderly Chinese

Chen, C., Jin, Y., Unverzagt, F. W., Cheng, Y., Hake, A. M., Liang, C., Ma, F., Su, L., Liu, J., Bian, J., Li, P. & Gao, S., Jan 1 2015, In : Archives of Gerontology and Geriatrics. 60, 1, p. 147-152 6 p.

Research output: Contribution to journalArticle

10 Scopus citations

Trajectory of cognitive decline after incident stroke

Levine, D. A., Galecki, A. T., Langa, K. M., Unverzagt, F. W., Kabeto, M. U., Giordani, B. & Wadley, V. G., Jul 7 2015, In : JAMA - Journal of the American Medical Association. 314, 1, p. 41-51 11 p.

Research output: Contribution to journalArticle

118 Scopus citations
2014

ABO blood type, factor VIII, and incident cognitive impairment in the REGARDS cohort

Alexander, K. S., Zakai, N. A., Gillett, S., McClure, L. A., Wadley, V., Unverzagt, F. & Cushman, M., Sep 1 2014, In : Neurology. 83, 14, p. 1271-1276 6 p.

Research output: Contribution to journalArticle

20 Scopus citations