Frederick Unverzagt

  • 14378 Citations
  • 55 h-Index
1989 …2020

Research output per year

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Publications

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2009

The ACTIVE cognitive training trial and predicted medical expenditures

Wolinsky, F. D., Mahncke, H. W., Kosinski, M., Unverzagt, F. W., Smith, D. M., Jones, R. N., Stoddard, A. & Tennstedt, S. L., Aug 12 2009, In : BMC Health Services Research. 9, 109.

Research output: Contribution to journalArticle

33 Scopus citations

The effect of speed-of-processing training on depressive symptoms in ACTIVE

Wolinsky, F. D., Vander Weg, M. W., Martin, R., Unverzagt, F. W., Ball, K. K., Jones, R. N. & Tennstedt, S. L., Apr 2009, In : Journals of Gerontology - Series A Biological Sciences and Medical Sciences. 64, 4, p. 468-472 5 p.

Research output: Contribution to journalArticle

63 Scopus citations

The Indiana Alzheimer Disease Center's Symposium on Mild Cognitive Impairment. Cognitive training in older adults: Lessons from the ACTIVE study

Unverzagt, F. W., Smith, D. M., Rebok, G. W., Marsiske, M., Morris, J. N., Jones, R., Willis, S. L., Ball, K., King, J. W., Koepke, K. M., Stoddard, A. & Tennstedt, S. L., Aug 1 2009, In : Current Alzheimer research. 6, 4, p. 375-383 9 p.

Research output: Contribution to journalArticle

34 Scopus citations
2008

A comparison of cardiovascular disease risk factor biomarkers in African Americans and Yoruba Nigerians

Deeg, M., Baiyewu, O., Gao, S., Ogunniyi, A., Shen, J., Gureje, O., Taylor, S., Murrell, J., Unverzagt, F., Smith-Gamble, V., Evans, R., Dickens, J., Hendrie, H. & Hall, K. S., Sep 1 2008, In : Ethnicity and Disease. 18, 4, p. 427-433 7 p.

Research output: Contribution to journalArticle

11 Scopus citations

An updated version of the Weigl discriminates adults with dementia from those with mild impairment and healthy controls

Beglinger, L. J., Unverzagt, F. W., Beristain, X. & Kareken, D., Mar 2008, In : Archives of Clinical Neuropsychology. 23, 2, p. 149-156 8 p.

Research output: Contribution to journalArticle

3 Scopus citations

Measuring primary care patients' attitudes about dementia screening

Boustani, M., Perkins, A. J., Monahan, P., Fox, C., Watson, L., Hopkins, J., Fultz, B., Hui, S., Unverzagt, F. W., Callahan, C. M. & Hendrie, H. C., Aug 2008, In : International Journal of Geriatric Psychiatry. 23, 8, p. 812-820 9 p.

Research output: Contribution to journalArticle

48 Scopus citations

The tauopathy associated with mutation +3 in intron 10 of Tau: Characterization of the MSTD family

Spina, S., Farlow, M. R., Unverzagt, F. W., Kareken, D. A., Murrell, J. R., Fraser, G., Epperson, F., Crowther, R. A., Spillantini, M. G., Goedert, M. & Ghetti, B., Jan 2008, In : Brain. 131, 1, p. 72-89 18 p.

Research output: Contribution to journalArticle

56 Scopus citations

Trace element levels and cognitive function in rural elderly Chinese

Gao, S., Jin, Y., Unverzagt, F. W., Ma, F., Hall, K. S., Murrell, J. R., Cheng, Y., Shen, J., Ying, B., Ji, R., Matesan, J., Liang, C. & Hendrie, H. C., Jun 2008, In : Journals of Gerontology - Series A Biological Sciences and Medical Sciences. 63, 6, p. 635-641 7 p.

Research output: Contribution to journalArticle

Open Access
35 Scopus citations
2007

Association of statin use with cognitive decline in elderly African Americans

Szwast, S. J., Hendrie, H. C., Lane, K. A., Gao, S., Taylor, S. E., Unverzagt, F., Murrell, J., Deeg, M., Ogunniyi, A., Farlow, M. R. & Hall, K. S., Nov 2007, In : Neurology. 69, 19, p. 1873-1880 8 p.

Research output: Contribution to journalArticle

57 Scopus citations

Changes in everyday function in individuals with psychometrically defined mild cognitive impairment in the advanced cognitive training for independent and vital elderly study

Wadley, V. G., Crowe, M., Marsiske, M., Cook, S. E., Unverzagt, F. W., Rosenberg, A. L. & Rexroth, D., Aug 2007, In : Journal of the American Geriatrics Society. 55, 8, p. 1192-1198 7 p.

Research output: Contribution to journalArticle

72 Scopus citations

Cognitive status, stroke symptom reports, and modifiable risk factors among individuals with no diagnosis of stroke or transient ischemic attack in the REasons for Geographic and Racial Differences in Stroke (REGARDS) study

Wadley, V. G., McClure, L. A., Howard, V. J., Unverzagt, F. W., Go, R. C., Moy, C. S., Crowther, M. R., Gomez, C. R. & Howard, G., Apr 1 2007, In : Stroke. 38, 4, p. 1143-1147 5 p.

Research output: Contribution to journalArticle

53 Scopus citations

Prevalence estimates of depression in elderly community-dwelling African Americans in Indianapolis and Yoruba in Ibadan, Nigeria

Baiyewu, O., Smith-Gamble, V., Lane, K. A., Gureje, O., Gao, S., Ogunniyi, A., Unverzagt, F. W., Hall, K. S. & Hendrie, H. C., Aug 1 2007, In : International Psychogeriatrics. 19, 4, p. 679-689 11 p.

Research output: Contribution to journalArticle

27 Scopus citations

Selenium level and cognitive function in rural elderly Chinese

Gao, S., Jin, Y., Hall, K. S., Liang, C., Unverzagt, F. W., Ji, R., Murrell, J. R., Cao, J., Shen, J., Ma, F., Matesan, J., Ying, B., Cheng, Y., Bian, J., Li, P. & Hendrie, H. C., Apr 1 2007, In : American journal of epidemiology. 165, 8, p. 955-965 11 p.

Research output: Contribution to journalArticle

100 Scopus citations

The association between cognition and histamine-2 receptor antagonists in African Americans

Boustani, M., Hall, K. S., Lane, K. A., Aljadhey, H., Gao, S., Unverzagt, F., Murray, M. D., Ogunniyi, A. & Hendrie, H., Aug 2007, In : Journal of the American Geriatrics Society. 55, 8, p. 1248-1253 6 p.

Research output: Contribution to journalArticle

33 Scopus citations
29 Scopus citations
2006

An integrated model of comprehensive care for people with Alzheimer's disease and their caregivers in a primary care setting

Austrom, M. G., Hartwell, C., Moore, P., Perkins, A. J., Damush, T., Unverzagt, F. W., Boustani, M., Hendrie, H. C. & Callahan, C. M., Aug 2006, In : Dementia. 5, 3, p. 339-352 14 p.

Research output: Contribution to journalArticle

9 Scopus citations

APOE ε4 is not associated with Alzheimer's disease in elderly Nigerians

Gureje, O., Ogunniyi, A., Baiyewu, O., Price, B., Unverzagt, F. W., Evans, R. M., Smith-Gamble, V., Lane, K. A., Gao, S., Hall, K. S., Hendrie, H. C. & Murrell, J. R., Jan 2006, In : Annals of neurology. 59, 1, p. 182-185 4 p.

Research output: Contribution to journalArticle

81 Scopus citations

Association of apolipoprotein E genotype and Alzheimer disease in African Americans

Murrell, J. R., Price, B., Lane, K. A., Baiyewu, O., Gureje, O., Ogunniyi, A., Unverzagt, F. W., Smith-Gamble, V., Gao, S., Hendrie, H. C. & Hall, K. S., Mar 2006, In : Archives of Neurology. 63, 3, p. 431-434 4 p.

Research output: Contribution to journalArticle

55 Scopus citations

Cholesterol, APOE genotype, and Alzheimer disease: An epidemiologic study of Nigerian Yoruba

Hall, K., Murrell, J., Ogunniyi, A., Deeg, M., Baiyewu, O., Gao, S., Gureje, O., Dickens, J., Evans, R., Smith-Gamble, V., Unverzagt, F. W., Shen, J. & Hendrie, H., Jan 1 2006, In : Neurology. 66, 2, p. 223-227 5 p.

Research output: Contribution to journalArticle

77 Scopus citations

Comorbidity profile of dementia patients in primary care: Are they sicker?

Schubert, C. C., Boustani, M., Callahan, C. M., Perkins, A. J., Carney, C. P., Fox, C., Unverzagt, F., Hui, S. & Hendrie, H. C., Jan 1 2006, In : Journal of the American Geriatrics Society. 54, 1, p. 104-109 6 p.

Research output: Contribution to journalArticle

168 Scopus citations
511 Scopus citations

Long-term effects of cognitive training on everyday functional outcomes in older adults

Willis, S. L., Tennstedt, S. L., Marsiske, M., Ball, K., Elias, J., Koepke, K. M., Morris, J. N., Rebok, G. W., Unverzagt, F. W., Stoddard, A. M. & Wright, E., Dec 20 2006, In : Journal of the American Medical Association. 296, 23, p. 2805-2814 10 p.

Research output: Contribution to journalArticle

945 Scopus citations

Risk factors for incident Alzheimer's disease in African Americans and Yoruba

Ogunniyi, A., Hall, K. S., Gureje, O., Baiyewu, O., Gao, S., Unverzagt, F. W., Smith-Gamble, V., Evans, R. E., Dickens, J., Musick, B. S. & Hendrie, H. C., Sep 1 2006, In : Metabolic Brain Disease. 21, 2-3, p. 235-240 6 p.

Research output: Contribution to journalArticle

36 Scopus citations

Subjective cognitive function and decline among older adults with psychometrically defined amnestic MCI

Crowe, M. G., Andel, R., Wadley, V., Cook, S., Unverzagt, F., Marsiske, M. & Ball, K., Dec 2006, In : International Journal of Geriatric Psychiatry. 21, 12, p. 1187-1192 6 p.

Research output: Contribution to journalArticle

31 Scopus citations

The ACTIVE cognitive training trial and health-related quality of life: Protection that lasts for 5 years

Wolinsky, F. D., Unverzagt, F. W., Smith, D. M., Jones, R., Stoddard, A. & Tennstedt, S. L., Dec 2006, In : Journals of Gerontology - Series A Biological Sciences and Medical Sciences. 61, 12, p. 1324-1329 6 p.

Research output: Contribution to journalArticle

Open Access
114 Scopus citations

The development of a semi-structured home interview (CHIF) to directly assess function in cognitively impaired elderly people in two cultures

Hendrie, H. C., Lane, K. A., Ogunniyi, A., Baiyewu, O., Gureje, O., Evans, R., Smith-Gamble, V., Pettaway, M., Unverzagt, F. W., Gao, S. & Hall, K. S., Dec 2006, In : International Psychogeriatrics. 18, 4, p. 653-666 14 p.

Research output: Contribution to journalArticle

27 Scopus citations

The effects of the ACTIVE cognitive training trial on clinically relevant declines in health-related quality of life

Wolinsky, F. D., Unverzagt, F. W., Smith, D. M., Jones, R., Wright, E. & Tennstedt, S. L., Sep 2006, In : Journals of Gerontology - Series B Psychological Sciences and Social Sciences. 61, 5, p. S281-S287

Research output: Contribution to journalArticle

Open Access
92 Scopus citations

Validation analysis of informant's ratings of cognitive function in African Americans and Nigerians

Shen, J., Gao, S., Unverzagt, F. W., Ogunniyi, A., Baiyewu, O., Gureje, O., Hendrie, H. C. & Hall, K. S., Jul 1 2006, In : International Journal of Geriatric Psychiatry. 21, 7, p. 618-625 8 p.

Research output: Contribution to journalArticle

5 Scopus citations

Who refuses the diagnostic assessment for dementia in primary care?

Boustani, M., Perkins, A. J., Fox, C., Unverzagt, F., Austrom, M. G., Fultz, B., Hui, S., Callahan, C. M. & Hendrie, H. C., Jun 1 2006, In : International Journal of Geriatric Psychiatry. 21, 6, p. 556-563 8 p.

Research output: Contribution to journalArticle

53 Scopus citations
2005

Caring for individuals with dementia. The Nigerian experience

Ogunniyi, A., Hall, K. S., Baiyewu, O., Gureje, O., Unverzagt, F. W., Gao, S. & Hendrie, H. C., Jul 1 2005, In : West African journal of medicine. 24, 3, p. 259-262 4 p.

Research output: Contribution to journalArticle

13 Scopus citations

Implementing a screening and diagnosis program for dementia in primary care

Boustani, M., Callahan, C. M., Unverzagt, F. W., Austrom, M. G., Perkins, A. J., Fultz, B. A., Hui, S. L. & Hendrie, H. C., Jul 1 2005, In : Journal of general internal medicine. 20, 7, p. 572-577 6 p.

Research output: Contribution to journalArticle

244 Scopus citations

The Stick Design test: A new measure of visuoconstructional ability

Baiyewu, O., Unverzagt, F. W., Lane, K. A., Gureje, O., Ogunniyi, A., Musick, B., Gao, S., Hall, K. S. & Hendrie, H. C., Sep 1 2005, In : Journal of the International Neuropsychological Society. 11, 5, p. 598-605 8 p.

Research output: Contribution to journalArticle

39 Scopus citations
2002

Cognitive impairment in community-dwelling older Nigerians: Clinical correlates and stability of diagnosis

Baiyewu, O., Unverzagt, F. W., Ogunniyi, A., Hall, K. S., Gureje, O., Gao, S., Lane, K. A. & Hendrie, H. C., Nov 1 2002, In : European Journal of Neurology. 9, 6, p. 573-580 8 p.

Research output: Contribution to journalArticle

25 Scopus citations

Effects of cognitive training interventions with older adults: A randomized controlled trial

Ball, K., Berch, D. B., Helmers, K. F., Jobe, J. B., Leveck, M. D., Marsiske, M., Morris, J. N., Rebok, G. W., Smith, D. M., Tennstedt, S. L., Unverzagt, F. W. & Willis, S. L., Nov 13 2002, In : Journal of the American Medical Association. 288, 18, p. 2271-2281 11 p.

Research output: Contribution to journalArticle

1303 Scopus citations

Effects of stimulus predictability and interstimulus gap on saccades in Alzheimer's disease

Abel, L. A., Unverzagt, F. & Yee, R. D., May 23 2002, In : Dementia and Geriatric Cognitive Disorders. 13, 4, p. 235-243 9 p.

Research output: Contribution to journalArticle

32 Scopus citations
131 Scopus citations

Risk of mortality for dementia in a developing country: The Yoruba in Nigeria

Perkins, A. J., Hui, S. L., Ogunniyi, A., Gureje, O., Baiyewu, O., Unverzagt, F. W., Gao, S., Hall, K. S., Musick, B. S. & Hendrie, H. C., Jul 4 2002, In : International Journal of Geriatric Psychiatry. 17, 6, p. 566-573 8 p.

Research output: Contribution to journalArticle

38 Scopus citations

Six-item screener to identify cognitive impairment among potential subjects for clinical research

Callahan, C. M., Unverzagt, F. W., Hui, S. L., Perkins, A. J. & Hendrie, H. C., Sep 1 2002, In : Medical care. 40, 9, p. 771-781 11 p.

Research output: Contribution to journalArticle

779 Scopus citations
2001

Ectopic white matter neurons, a developmental abnormality that may be caused by the PSEN1 S169L mutation in a case of familial AD with myoclonus and seizures

Takao, M., Ghetti, B., Murrell, J. R., Unverzagt, F. W., Giaccone, G., Tagliavini, F., Bugiani, O., Piccardo, P., Hulette, C. M., Crain, B. J., Farlow, M. R. & Heyman, A., Jan 1 2001, In : Journal of Neuropathology and Experimental Neurology. 60, 12, p. 1137-1152 16 p.

Research output: Contribution to journalArticle

Open Access
48 Scopus citations

Incidence of Dementia and Alzheimer disease in 2 communities: Yoruba residing in Ibadan, Nigeria, and African Americans residing in Indianapolis, Indiana

Hendrie, H. C., Ogunniyi, A., Hall, K. S., Baiyewu, O., Unverzagt, F. W., Gureje, O., Gao, S., Evans, R. M., Ogunseyinde, A. O., Adeyinka, A. O., Musick, B. & Hui, S. L., Feb 14 2001, In : Journal of the American Medical Association. 285, 6, p. 739-747 9 p.

Research output: Contribution to journalArticle

Open Access
294 Scopus citations

Morbidity pattern in a sample of elderly Nigerians resident in Idikan community, Ibadan.

Ogunniyi, A., Baiyewu, O., Gureje, O., Hall, K. S., Unverzagt, F. W., Oluwole, S. A., Farlow, M. I., Komolafe & Hendrie, H. C., Jan 1 2001, In : West African journal of medicine. 20, 4, p. 227-231 5 p.

Research output: Contribution to journalArticle

22 Scopus citations

Performance of elderly African American and White community residents on the CERAD neuropsychological battery

Fillenbaum, G. G., Heyman, A., Huber, M. S., Ganguli, M. & Unverzagt, F. W., Jun 21 2001, In : Journal of the International Neuropsychological Society. 7, 4, p. 502-509 8 p.

Research output: Contribution to journalArticle

61 Scopus citations

Prevalence of cognitive impairment: Data from the Indianapolis study of health and aging

Unverzagt, F. W., Gao, S., Baiyewu, O., Ogunniyi, A. O., Gureje, O., Perkins, A., Emsley, C. L., Dickens, J., Evans, R., Musick, B., Hall, K. S., Hui, S. L. & Hendrie, H. C., Nov 13 2001, In : Neurology. 57, 9, p. 1655-1662 8 p.

Research output: Contribution to journalArticle

249 Scopus citations
2000

Epidemiology of dementia in Nigeria: Results from the Indianapolis-Ibadan study

Ogunniyi, A., Baiyewu, O., Gureje, O., Hall, K. S., Unverzagt, F., Siu, S. H., Gao, S., Farlow, M., Oluwole, O. S. A., Komolafe, O. & Hendrie, H. C., Dec 1 2000, In : European Journal of Neurology. 7, 5, p. 485-490 6 p.

Research output: Contribution to journalArticle

62 Scopus citations
114 Scopus citations

Neuroserpin mutation S52R causes Neuroserpin accumulation in neurons and is associated with progressive myoclonus epilepsy

Takao, M., Benson, M. D., Murrell, J. R., Yazaki, M., Piccardo, P., Unverzagt, F. W., Davis, R. L., Holohan, P. D., Lawrence, D. A., Richardson, R., Farlow, M. R. & Ghetti, B., Jan 1 2000, In : Journal of Neuropathology and Experimental Neurology. 59, 12, p. 1070-1086 17 p.

Research output: Contribution to journalArticle

Open Access
61 Scopus citations

Senile dementia associated with amyloid β protein angiopathy and tau perivascular pathology but not neuritic plaques in patients homozygous for the APOE-ε4 allele

Vidal, R., Calero, M., Piccardo, P., Farlow, M. R., Unverzagt, F. W., Méndez, E., Jiménez-Huete, A., Beavis, R., Gallo, G., Gomez-Tortosa, E., Ghiso, J., Hyman, B. T., Frangione, B. & Ghetti, B., Jul 1 2000, In : Acta Neuropathologica. 100, 1, p. 1-12 12 p.

Research output: Contribution to journalArticle

58 Scopus citations

Trace element levels in drinking water and cognitive function among elderly Chinese

Emsley, C. L., Gao, S., Li, Y., Liang, C., Ji, R., Hall, K. S., Cao, J., Ma, F., Wu, Y., Ying, P., Zhang, Y., Sun, S., Unverzagt, F. W., Slemenda, C. W. & Hendrie, H. C., May 1 2000, In : American journal of epidemiology. 151, 9, p. 913-920 8 p.

Research output: Contribution to journalArticle

Open Access
31 Scopus citations
1999
Open Access
192 Scopus citations

Clinical utility of CERAD neuropsychological battery in elderly Jamaicans

Unverzagt, F. W., Morgan, O. S., Thesiger, C. H., Eldemire, D. A., Luseko, J., Pokuri, S., Hui, S. L., Hall, K. S. & Hendrie, H. C., Mar 1 1999, In : Journal of the International Neuropsychological Society. 5, 3, p. 255-259 5 p.

Research output: Contribution to journalArticle

38 Scopus citations