Frederick Unverzagt

  • 14492 Citations
  • 56 h-Index
1989 …2020

Research output per year

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Publications

2010

Speed of processing training protects self-rated health in older adults: Enduring effects observed in the multi-site ACTIVE randomized controlled trial

Wolinsky, F. D., Mahncke, H., Vander Weg, M. W., Martin, R., Unverzagt, F. W., Ball, K. K., Jones, R. N. & Tennstedt, S. L., May 2010, In : International Psychogeriatrics. 22, 3, p. 470-478 9 p.

Research output: Contribution to journalArticle

64 Scopus citations

Use of anticholinergics and the risk of cognitive impairment in an African American population

Campbell, N. L., Boustani, M. A., Lane, K. A., Gao, S., Hendrie, H., Khan, B. A., Murrell, J. R., Unverzagt, F. W., Hake, A., Smith-Gamble, V. & Hall, K., Jul 13 2010, In : Neurology. 75, 2, p. 152-159 8 p.

Research output: Contribution to journalArticle

95 Scopus citations
2009

Association of higher diastolic blood pressure levels with cognitive impairment

Tsivgoulis, G., Alexandrov, A. V., Wadley, V. G., Unverzagt, F. W., Go, R. C. P., Moy, C. S., Kissela, B. & Howard, G., Aug 25 2009, In : Neurology. 73, 8, p. 589-595 7 p.

Research output: Contribution to journalArticle

76 Scopus citations

Cognitive function in breast cancer survivors compared to healthy age- and education-matched women

Von Ah, D., Harvison, K. W., Monahan, P. O., Moser, L. R., Zhao, Q., Carpenter, J. S., Sledge, G. W., Champion, V. L. & Unverzagt, F. W., May 2009, In : Clinical Neuropsychologist. 23, 4, p. 661-674 14 p.

Research output: Contribution to journalArticle

27 Scopus citations

Correlates of depressive symptoms in rural elderly Chinese

Gao, S., Jin, Y., Unverzagt, F. W., Liang, C., Hall, K. S., Ma, F., Murrell, J. R., Cheng, Y., Matesan, J., Li, P., Bian, J. & Hendrie, H. C., Dec 2009, In : International Journal of Geriatric Psychiatry. 24, 12, p. 1358-1366 9 p.

Research output: Contribution to journalArticle

59 Scopus citations

Effects of age, gender, education and race on two tests of language ability in community-based older adults

Snitz, B. E., Unverzagt, F. W., Chang, C. C. H., Bilt, J. V., Gao, S., Saxton, J., Hall, K. S. & Ganguli, M., Dec 2009, In : International Psychogeriatrics. 21, 6, p. 1051-1062 12 p.

Research output: Contribution to journalArticle

35 Scopus citations

Hypertension and Cognitive Decline in Rural Elderly Chinese

Gao, S., Jin, Y., Unverzagt, F. W., Liang, C., Hall, K. S., Ma, F., Murrell, J. R., Cheng, Y., Matesan, J., Bian, J., Li, P. & Hendrie, H. C., Jun 2009, In : Journal of the American Geriatrics Society. 57, 6, p. 1051-1057 7 p.

Research output: Contribution to journalArticle

22 Scopus citations

Prevalence rates for dementia and Alzheimer's disease in African Americans: 1992 versus 2001

Hall, K. S., Gao, S., Baiyewu, O., Lane, K. A., Gureje, O., Shen, J., Ogunniyi, A., Murrell, J. R., Unverzagt, F. W., Dickens, J., Smith-Gamble, V. & Hendrie, H. C., May 1 2009, In : Alzheimer's and Dementia. 5, 3, p. 227-233 7 p.

Research output: Contribution to journalArticle

51 Scopus citations

Selenium level is associated with apoE ε4 in rural elderly Chinese

Gao, S., Jin, Y., Hall, K. S., Liang, C., Unverzagt, F. W., Ma, F., Cheng, Y., Shen, J., Cao, J., Matesan, J., Li, P., Bian, J., Hendrie, H. C. & Murrell, J. R., 2009, In : Public Health Nutrition. 12, 12, p. 2371-2376 6 p.

Research output: Contribution to journalArticle

17 Scopus citations

The ACTIVE cognitive training interventions and the Onset of and recovery from suspected clinical depression

Wolinsky, F. D., Mahncke, H. W., Weg, M. W. V., Martin, R., Unverzagt, F. W., Ball, K. K., Jones, R. N. & Tennstedt, S. L., 2009, In : Journals of Gerontology - Series B Psychological Sciences and Social Sciences. 64, 5, p. 577-585 9 p.

Research output: Contribution to journalArticle

46 Scopus citations

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., 2009, In : BMC Health Services Research. 9, 109.

Research output: Contribution to journalArticle

35 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

64 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 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 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

58 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 2007, In : Stroke. 38, 4, p. 1143-1147 5 p.

Research output: Contribution to journalArticle

53 Scopus citations

Mild cognitive dysfunction: An epidemiological perspective with an emphasis on African Americans

Unverzagt, F. W., Sujuan Gao, G., Lane, K. A., Callahan, C., Ogunniyi, A., Baiyewu, O., Gureje, O., Hall, K. S. & Hendrie, H. C., Dec 2007, In : Journal of Geriatric Psychiatry and Neurology. 20, 4, p. 215-226 12 p.

Research output: Contribution to journalReview article

25 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 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 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
31 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

10 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

56 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 2006, In : Neurology. 66, 2, p. 223-227 5 p.

Research output: Contribution to journalArticle

78 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

169 Scopus citations
513 Scopus citations

International studies in dementia with particular emphasis on populations of African origin

Hendrie, H. C., Murrell, J., Gao, S., Unverzagt, F. W., Ogunniyi, A. & Hall, K. S., Jul 2006, In : Alzheimer disease and associated disorders. 20, SUPPL. 2, p. S42-S46

Research output: Contribution to journalReview article

35 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

950 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 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 2005, In : Journal of the International Neuropsychological Society. 11, 5, p. 598-605 8 p.

Research output: Contribution to journalArticle

42 Scopus citations
2004
41 Scopus citations

Selecting pre-screening items for early intervention trials of dementia - A case study

Li, L., Huang, J., Sun, S., Shen, J., Unverzagt, F. W., Gao, S., Hendrie, H. H., Hall, K. & Hui, S. L., Jan 30 2004, In : Statistics in Medicine. 23, 2, p. 271-283 13 p.

Research output: Contribution to journalReview article

4 Scopus citations
2003

Categorization and recognition performance of a memory-impared group: Evidence for single-system models

Zaki, S. R., Nosofsky, R. M., Jessup, N. M. & Unverzagt, F. W., Mar 2003, In : Journal of the International Neuropsychological Society. 9, 3, p. 394-406 13 p.

Research output: Contribution to journalReview article

55 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 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

1310 Scopus citations

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

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

Research output: Contribution to journalArticle

32 Scopus citations