Frederick W. Unverzagt

21.6k total citations · 8 hit papers
201 papers, 16.2k citations indexed

About

Frederick W. Unverzagt is a scholar working on Psychiatry and Mental health, Physiology and Geriatrics and Gerontology. According to data from OpenAlex, Frederick W. Unverzagt has authored 201 papers receiving a total of 16.2k indexed citations (citations by other indexed papers that have themselves been cited), including 115 papers in Psychiatry and Mental health, 41 papers in Physiology and 28 papers in Geriatrics and Gerontology. Recurrent topics in Frederick W. Unverzagt's work include Dementia and Cognitive Impairment Research (113 papers), Alzheimer's disease research and treatments (31 papers) and Frailty in Older Adults (25 papers). Frederick W. Unverzagt is often cited by papers focused on Dementia and Cognitive Impairment Research (113 papers), Alzheimer's disease research and treatments (31 papers) and Frailty in Older Adults (25 papers). Frederick W. Unverzagt collaborates with scholars based in United States, Nigeria and China. Frederick W. Unverzagt's co-authors include Hugh C. Hendrie, Gary J. Leo, Linda Bernardin, Stephen M. Rao, Anthony J. Perkins, Siu L. Hui, Christopher M. Callahan, Sharon L. Tennstedt, Kathleen Hall and Sujuan Gao and has published in prestigious journals such as JAMA, SHILAP Revista de lepidopterología and Blood.

In The Last Decade

Frederick W. Unverzagt

194 papers receiving 15.6k citations

Hit Papers

Cognitive dysfunction in multiple sclerosis. 1991 2026 2002 2014 1991 2002 2002 2006 1991 500 1000 1.5k
What are hit papers?

Hit papers significantly outperform the citation benchmark for their cohort. A paper qualifies if it has ≥500 total citations, achieves ≥1.5× the top-1% citation threshold for papers in the same subfield and year (this is the minimum needed to enter the top 1%, not the average within it), or reaches the top citation threshold in at least one of its specific research topics.

  1. Cognitive dysfunction in multiple sclerosis.
    1991 1.7k citations Frederick W. Unverzagt et al. Neurology profile →
  2. Effects of Cognitive Training Interventions With Older Adults
    2002 1.5k citations Michael Marsiske, Frederick W. Unverzagt et al. profile →
  3. Six-Item Screener to Identify Cognitive Impairment Among Potential Subjects for Clinical Research
    2002 1.2k citations Christopher M. Callahan, Frederick W. Unverzagt et al. profile →
  4. Long-term Effects of Cognitive Training on Everyday Functional Outcomes in Older Adults
    2006 1.1k citations Sherry L. Willis, Michael Marsiske et al. profile →
  5. Cognitive dysfunction in multiple sclerosis.
    1991 724 citations Frederick W. Unverzagt et al. Neurology profile →
  6. Ten‐Year Effects of the Advanced Cognitive Training for Independent and Vital Elderly Cognitive Training Trial on Cognition and Everyday Functioning in Older Adults
    2014 624 citations Michael Marsiske, Frederick W. Unverzagt et al. Journal of the American Geriatrics Society profile →
  7. Effectiveness of collaborative care for older adults with Alzheimer disease in primary care: a randomized controlled trial.
    2006 590 citations Christopher M. Callahan, Malaz Boustani et al. profile →
  8. Trajectory of Cognitive Decline After Incident Stroke
    2015 343 citations Deborah A. Levine, Frederick W. Unverzagt et al. profile →

Peers — A (Enhanced Table)

Peers by citation overlap · career bar shows stage (early→late) cites · hero ref

Name h Career Trend Papers Cites
Frederick W. Unverzagt United States 57 6.6k 2.5k 2.4k 2.0k 1.9k 201 16.2k
Laura E. Gibbons United States 62 4.9k 0.7× 1.7k 0.7× 3.2k 1.3× 1.5k 0.8× 1.8k 1.0× 195 14.1k
Raija Korpelainen Finland 36 6.4k 1.0× 4.0k 1.6× 871 0.4× 3.4k 1.7× 1.5k 0.8× 170 18.4k
Knut Engedal Norway 60 8.7k 1.3× 2.8k 1.1× 965 0.4× 2.2k 1.1× 5.1k 2.7× 415 24.6k
Jean‐François Dartigues France 72 6.9k 1.0× 4.7k 1.9× 705 0.3× 2.1k 1.0× 1.7k 0.9× 346 18.7k
Leon Flicker Australia 73 4.6k 0.7× 3.6k 1.4× 1.7k 0.7× 941 0.5× 2.4k 1.3× 481 18.2k
Osvaldo P. Almeida Australia 74 5.9k 0.9× 3.4k 1.4× 496 0.2× 1.7k 0.9× 2.4k 1.3× 414 19.0k
André F. Carvalho Brazil 70 5.9k 0.9× 3.2k 1.3× 488 0.2× 1.9k 0.9× 1.3k 0.7× 286 19.2k
Christophe Tzourio France 80 5.6k 0.8× 3.7k 1.5× 817 0.3× 1.4k 0.7× 828 0.4× 393 21.3k
Jong‐Ling Fuh Taiwan 66 8.2k 1.2× 2.6k 1.0× 2.7k 1.1× 1.3k 0.7× 609 0.3× 401 14.4k
Marco Solmi Italy 76 6.7k 1.0× 4.7k 1.9× 539 0.2× 1.7k 0.9× 2.1k 1.1× 443 24.4k

Countries citing papers authored by Frederick W. Unverzagt

Since Specialization
Citations

This map shows the geographic impact of Frederick W. Unverzagt's research. It shows the number of citations coming from papers published by authors working in each country. You can also color the map by specialization and compare the number of citations received by Frederick W. Unverzagt with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites Frederick W. Unverzagt more than expected).

Fields of papers citing papers by Frederick W. Unverzagt

Since Specialization
Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Frederick W. Unverzagt. Nodes represent research fields, and links connect fields that are likely to share authors. Colored nodes show fields that tend to cite the papers produced by Frederick W. Unverzagt. The network helps show where Frederick W. Unverzagt may publish in the future.

Co-authorship network of co-authors of Frederick W. Unverzagt

This figure shows the co-authorship network connecting the top 25 collaborators of Frederick W. Unverzagt. A scholar is included among the top collaborators of Frederick W. Unverzagt based on the total number of citations received by their joint publications. Widths of edges represent the number of papers authors have co-authored together. Node borders signify the number of papers an author published with Frederick W. Unverzagt. Frederick W. Unverzagt is excluded from the visualization to improve readability, since they are connected to all nodes in the network.

All Works

20 of 20 papers shown
1.
Richards, Ralph C., Angelina J. Polsinelli, Sujuan Gao, et al.. (2024). Developing and applying potentially scalable recruitment strategies to accelerate ADRD research participation of Black adults. Alzheimer s & Dementia. 21(2). e14440–e14440. 1 indexed citations
2.
Zhang, Yijia, Liping Lü, Frederick W. Unverzagt, et al.. (2024). Serum zinc concentration and dietary zinc intake in relation to cognitive function: an analysis of the REasons for Geographic and Racial Differences in Stroke (REGARDS) cohort. European Journal of Nutrition. 63(4). 1059–1070. 2 indexed citations
3.
Apostolova, Liana G., Jared R. Brosch, David G. Clark, et al.. (2024). Association Between MIND Diet Score and Cortical Thickness in an Aging Population. Alzheimer s & Dementia. 20(S7). 1 indexed citations
4.
Zhang, Yijia, John Brockman, Leslie A. McClure, et al.. (2024). Association of Urinary Cadmium Concentration With Cognitive Impairment in US Adults. Neurology. 103(7). e209808–e209808. 3 indexed citations
5.
Yang, Keming, Hongmei Nan, Frederick W. Unverzagt, et al.. (2023). Associations of Telomere Length and Change With Cognitive Decline Were Modified by Sex and Race: The REGARDS Study. American Journal of Alzheimer s Disease & Other Dementias®. 38. 250535029–250535029. 4 indexed citations
6.
Ford, Cassandra D., Marquita S. Brooks, Martha R. Crowther, et al.. (2020). Depressive Symptoms and Risk of Stroke in a National Cohort of Black and White Participants From REGARDS. Neurology Clinical Practice. 11(4). e454–e461. 10 indexed citations
7.
Thomas, Kelsey R., Sarah E. Cook, Mark W. Bondi, et al.. (2020). Application of neuropsychological criteria to classify mild cognitive impairment in the active study.. Neuropsychology. 34(8). 862–873. 15 indexed citations
8.
Sterling, Madeline R., Deanna Jannat‐Khah, Samprit Banerjee, et al.. (2018). The Prevalence of Cognitive Impairment Among Adults With Incident Heart Failure: The “Reasons for Geographic and Racial Differences in Stroke” (REGARDS) Study. Journal of Cardiac Failure. 25(2). 130–136. 29 indexed citations
9.
Khan, Sikandar, Sujuan Gao, Stephanie Martinez, et al.. (2018). Improving Recovery and Outcomes Every Day after the ICU (IMPROVE): study protocol for a randomized controlled trial. Trials. 19(1). 196–196. 13 indexed citations
10.
Cushman, Mary, Leslie A. McClure, Marguerite R. Irvin, et al.. (2017). Sickle Cell Trait and Cognitive Function in African Americans: The Reasons for Geographic and Racial Differences in Stroke (REGARDS) Cohort. Blood. 130. 3544–3544. 1 indexed citations
11.
Deters, Kacie, Shannon L. Risacher, Karmen K. Yoder, et al.. (2016). [(11)C]PiB PET in Gerstmann-Sträussler-Scheinker disease. IUScholarWorks (Indiana University). 1 indexed citations
12.
Risacher, Shannon L., Sujuan Gao, Kathleen A. Lane, et al.. (2016). The Cognitive Change Index as a Measure of Self and Informant Perception of Cognitive Decline: Relation to Neuropsychological Tests. PMC. 1 indexed citations
13.
Hendrie, Hugh C., Ann Marie Hake, Kathleen A. Lane, et al.. (2015). Statin Use, Incident Dementia and Alzheimer Disease in Elderly African Americans. PMC. 5 indexed citations
14.
Su, Liqin, Sujuan Gao, Frederick W. Unverzagt, et al.. (2015). Selenium Level and Dyslipidemia in Rural Elderly Chinese. PMC. 3 indexed citations
15.
Gao, Sujuan, Frederick W. Unverzagt, Kathleen Hall, et al.. (2014). Mild Cognitive Impairment, Incidence, Progression, and Reversion: Findings from a Community-based Cohort of Elderly African Americans. PMC. 2 indexed citations
16.
Cheng, Yibin, Yinlong Jin, Frederick W. Unverzagt, et al.. (2014). The relationship between cholesterol and cognitive function is homocysteine-dependent. SHILAP Revista de lepidopterología. 10 indexed citations
17.
Thacker, Evan L., Sarah Gillett, Virginia G. Wadley, et al.. (2014). The American Heart Association Life's Simple 7 and incident cognitive impairment: The REasons for Geographic And Racial Differences in Stroke (REGARDS) study. PMC. 2 indexed citations
18.
Boustani, Malaz, Kathleen Hall, Kathleen A. Lane, et al.. (2007). The Association Between Cognition and Histamine‐2 Receptor Antagonists in African Americans. Journal of the American Geriatrics Society. 55(8). 1248–1253. 43 indexed citations
19.
Boustani, Malaz, Christopher M. Callahan, Frederick W. Unverzagt, et al.. (2005). Implementing a screening and diagnosis program for dementia in primary care. Journal of General Internal Medicine. 20(7). 572–577. 250 indexed citations
20.
Murray, Michael D., Kathleen A. Lane, Sujuan Gao, et al.. (2002). Preservation of Cognitive Function With Antihypertensive Medications. Archives of Internal Medicine. 162(18). 2090–2090. 122 indexed citations

Rankless uses publication and citation data sourced from OpenAlex, an open and comprehensive bibliographic database. While OpenAlex provides broad and valuable coverage of the global research landscape, it—like all bibliographic datasets—has inherent limitations. These include incomplete records, variations in author disambiguation, differences in journal indexing, and delays in data updates. As a result, some metrics and network relationships displayed in Rankless may not fully capture the entirety of a scholar's output or impact.

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