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Frederick W. Unverzagt

Frederick W. Unverzagt

Indiana University
United States

D-Index & Metrics

Psychology

D-Index
71
Citations
26971
World Ranking
2120
National Ranking
1234

Frederick W. Unverzagt publication distribution in Psychology in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Psychology in 2026. The highlighted bar marks where Frederick W. Unverzagt sits on this spectrum.

31–40 publications: 6 scientists 41–50 publications: 52 scientists 51–60 publications: 138 scientists 61–70 publications: 299 scientists 71–80 publications: 461 scientists 81–90 publications: 605 scientists 91–100 publications: 713 scientists 101–110 publications: 736 scientists 111–120 publications: 686 scientists 121–130 publications: 670 scientists 131–140 publications: 644 scientists 141–150 publications: 597 scientists 151–160 publications: 576 scientists 161–170 publications: 477 scientists 171–180 publications: 450 scientists 181–190 publications: 397 scientists 191–200 publications: 343 scientists 201–210 publications: 328 scientists 211–220 publications: 313 scientists 221–230 publications: 283 scientists 231–240 publications: 226 scientists 241–250 publications: 196 scientists 251–260 publications: 201 scientists 261–270 publications: 171 scientists 271–280 publications: 151 scientists 281–290 publications: 139 scientists 291–300 publications: 113 scientists 301–310 publications: 102 scientists 311–320 publications: 100 scientists 321–330 publications: 76 scientists 331–340 publications: 92 scientists 341–350 publications: 85 scientists 351–360 publications: 69 scientists 361–370 publications: 71 scientists 371–380 publications: 63 scientists 381–390 publications: 58 scientists 391–400 publications: 57 scientists 401–410 publications: 43 scientists 411–420 publications: 33 scientists 421–430 publications: 50 scientists 431–440 publications: 41 scientists 441–450 publications: 32 scientists 451–460 publications: 27 scientists 461–470 publications: 28 scientists 471–480 publications: 25 scientists 481–490 publications: 28 scientists 491–500 publications: 20 scientists 501–510 publications: 23 scientists 511–520 publications: 26 scientists 521–530 publications: 17 scientists 531–540 publications: 21 scientists 541–550 publications: 14 scientists 551–560 publications: 16 scientists 561–570 publications: 10 scientists 571–580 publications: 22 scientists 581–590 publications: 9 scientists 591–600 publications: 14 scientists 601–610 publications: 9 scientists 611–620 publications: 11 scientists 621–630 publications: 4 scientists 631–640 publications: 7 scientists 641–650 publications: 5 scientists 651–660 publications: 10 scientists 661–670 publications: 8 scientists 671–680 publications: 8 scientists 681–690 publications: 4 scientists 691–700 publications: 3 scientists 701–704 publications: 4 scientists 705+ publications: 100 scientists
31 publications 705+

This scientist: 231 publications — 77th percentile

77% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 705 publications or more.

Frederick W. Unverzagt D-index placement in Psychology in 2026

The chart shows the D-index (discipline H-index) distribution of Psychology scientists ranked by Research.com in 2026. The highlighted bar marks where Frederick W. Unverzagt sits on this spectrum.

30–31 D-Index: 398 scientists 32–33 D-Index: 702 scientists 34–35 D-Index: 671 scientists 36–37 D-Index: 659 scientists 38–39 D-Index: 641 scientists 40–41 D-Index: 671 scientists 42–43 D-Index: 617 scientists 44–45 D-Index: 558 scientists 46–47 D-Index: 495 scientists 48–49 D-Index: 487 scientists 50–51 D-Index: 445 scientists 52–53 D-Index: 390 scientists 54–55 D-Index: 408 scientists 56–57 D-Index: 345 scientists 58–59 D-Index: 325 scientists 60–61 D-Index: 321 scientists 62–63 D-Index: 248 scientists 64–65 D-Index: 290 scientists 66–67 D-Index: 218 scientists 68–69 D-Index: 219 scientists 70–71 D-Index: 215 scientists 72–73 D-Index: 183 scientists 74–75 D-Index: 169 scientists 76–77 D-Index: 132 scientists 78–79 D-Index: 137 scientists 80–81 D-Index: 120 scientists 82–83 D-Index: 112 scientists 84–85 D-Index: 86 scientists 86–87 D-Index: 101 scientists 88–89 D-Index: 83 scientists 90–91 D-Index: 77 scientists 92–93 D-Index: 70 scientists 94–95 D-Index: 78 scientists 96–97 D-Index: 58 scientists 98–99 D-Index: 53 scientists 100–101 D-Index: 57 scientists 102–103 D-Index: 48 scientists 104–105 D-Index: 53 scientists 106–107 D-Index: 46 scientists 108–109 D-Index: 24 scientists 110–111 D-Index: 35 scientists 112–113 D-Index: 27 scientists 114–115 D-Index: 32 scientists 116–117 D-Index: 31 scientists 118–119 D-Index: 22 scientists 120–121 D-Index: 16 scientists 122–123 D-Index: 24 scientists 124–125 D-Index: 18 scientists 126–127 D-Index: 11 scientists 128–129 D-Index: 19 scientists 130–131 D-Index: 10 scientists 132–133 D-Index: 16 scientists 134–135 D-Index: 10 scientists 136–137 D-Index: 12 scientists 138–139 D-Index: 8 scientists 140–141 D-Index: 5 scientists 142–143 D-Index: 12 scientists 144+ D-Index: 98 scientists
30 D-Index 144+

This scientist: 71 D-Index — 82nd percentile

82% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 144 D-Index or more.

Research.com Recognitions

  • 2011 - Fellow of the American Psychological Association (APA)

Overview

Frederick W. Unverzagt is a researcher affiliated with Indiana University in the United States. Their work is primarily situated within the field of Medicine, with a focus on Psychiatry and Mental Health, Physiology, Health, Toxicology and Mutagenesis, Public Health, Environmental and Occupational Health, and Nutrition and Dietetics.

The scientist's research topics encompass:

  • Dementia and Cognitive Impairment Research
  • Heavy Metal Exposure and Toxicity
  • Alzheimer's Disease Research and Treatments
  • Nutritional Studies and Diet
  • Intensive Care Unit Cognitive Disorders
  • Advanced Neuroimaging Techniques and Applications
  • Heavy Metals in Environment

Unverzagt has contributed to several recent publications, including:

  • Hippocampal-subfield Microstructures and Their Relation to Plasma Biomarkers in Alzheimer's Disease, 2022, published in Brain
  • C-Reactive Protein and Risk of Cognitive Decline: The REGARDS Study, 2020, published in PLoS ONE
  • Tau-Related White-Matter Alterations Along Spatially Selective Pathways, 2020, published in NeuroImage
  • Higher Blood Cadmium Level is Associated with Greater Cognitive Decline in Rural Chinese Adults Aged 65 or Older, 2020, published in The Science of The Total Environment
  • Association of Cognitive Impairment and Breast Cancer Survivorship on Quality of Life in Younger Breast Cancer Survivors, 2021, published in Journal of Cancer Survivorship

Their frequent co-authors include:

  • Sujuan Gao
  • Shannon L. Risacher
  • Andrew J. Saykin
  • Martin R. Farlow
  • Liana G. Apostolova

Frederick W. Unverzagt has published extensively in the following venues:

  • Alzheimer s & Dementia
  • PLoS ONE
  • European Journal of Nutrition
  • Biological Trace Element Research
  • Contemporary Clinical Trials

In recognition of their professional contributions, Unverzagt was named a Fellow of the American Psychological Association (APA) in 2011.

Best Publications

  • Cognitive dysfunction in multiple sclerosis. I. Frequency, patterns, and prediction

    Stephen M. Rao;Gary J. Leo;Linda Bernardin;Frederick W. Unverzagt

  • Effects of Cognitive training interventions with older adults. A randomized controlled trial

    Karlene Ball;Daniel B. Berch;Karin F. Helmers;Jared B. Jobe

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

    Sherry L. Willis;Sharon L. Tennstedt;Michael Marsiske;Karlene Ball

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

    Christopher M. Callahan;Frederick W. Unverzagt;Siu L. Hui;Anthony J. Perkins

  • Cognitive dysfunction in multiple sclerosis. II. Impact on employment and social functioning

    Stephen M. Rao;Gary J. Leo;L. Ellington;T. Nauertz

  • Ten-year effects of the advanced cognitive training for independent and vital elderly cognitive training trial on cognition and everyday functioning in older adults.

    George W. Rebok;Karlene Ball;Lin T. Guey;Richard N. Jones

  • Effectiveness of collaborative care for older adults with Alzheimer disease in primary care: a randomized controlled trial.

    Christopher M. Callahan;Malaz A. Boustani;Frederick W. Unverzagt;Mary G. Austrom

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

    Hugh C. Hendrie;Adesola Ogunniyi;Kathleen S. Hall;Olusegun Baiyewu

  • Trajectory of Cognitive Decline after Incident Stroke

    Deborah A. Levine;Andrzej T. Galecki;Kenneth M. Langa;Frederick W. Unverzagt

  • Prevalence of cognitive impairment: data from the Indianapolis Study of Health and Aging.

    Frederick Unverzagt;Sujuan Gao;O. Baiyewu;A. O. Ogunniyi

  • Implementing a screening and diagnosis program for dementia in primary care.

    Malaz Boustani;Christopher M. Callahan;Christopher M. Callahan;Frederick W. Unverzagt;Mary G. Austrom

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

    Cathy C. Schubert;Malaz Boustani;Christopher M. Callahan;Anthony J. Perkins

  • Outcomes of Mild Cognitive Impairment by Definition: A Population Study

    Mary Ganguli;Beth E. Snitz;Judith A. Saxton;Chung Chou H. Chang

  • Association of Antioxidants with Memory in a Multiethnic Elderly Sample Using the Third National Health and Nutrition Examination Survey

    Anthony J. Perkins;Hugh C. Hendrie;Christopher M. Callahan;Christopher M. Callahan;Sujuan Gao

  • Comparison of younger and older breast cancer survivors and age-matched controls on specific and overall quality of life domains

    Victoria L. Champion;Lynne I. Wagner;Patrick O. Monahan;Joanne Daggy

  • Late Life Leisure Activities and Risk of Cognitive Decline

    Hui Xin Wang;Yinlong Jin;Hugh C. Hendrie;Hugh C. Hendrie;Chaoke Liang

  • Memory Dysfunction in Multiple Sclerosis: Its Relation to Working Memory, Semantic Encoding, and Implicit Learning.

    Stephen M. Rao;Jordan Grafman;Diane DiGiulio;Wiley Mittenberg

  • Incidence of dementia and cognitive impairment, not dementia in the United States.

    Brenda L. Plassman;Kenneth M. Langa;Kenneth M. Langa;Ryan J. McCammon;Gwenith G. Fisher

  • The ACTIVE Cognitive Training Trial and Health-Related Quality of Life: Protection That Lasts for 5 Years

    Fredric D. Wolinsky;Frederick W. Unverzagt;David M. Smith;Richard Jones

  • Adherence to a Mediterranean diet and risk of incident cognitive impairment

    Georgios Tsivgoulis;Suzanne Judd;Abraham J. Letter;Andrei V. Alexandrov;Andrei V. Alexandrov

  • Preservation of cognitive function with antihypertensive medications: a longitudinal analysis of a community-based sample of African Americans.

    Michael D. Murray;Kathleen A. Lane;Sujuan Gao;Rebecca M. Evans

Frequent Co-Authors

Hugh C. Hendrie
Hugh C. Hendrie Indiana University
Andrew J. Saykin
Andrew J. Saykin Indiana University
Martin R. Farlow
Martin R. Farlow Indiana University
Virginia J. Howard
Virginia J. Howard University of Alabama at Birmingham
Christopher M. Callahan
Christopher M. Callahan Indiana University
Shannon L. Risacher
Shannon L. Risacher Indiana University
Oye Gureje
Oye Gureje University of Ibadan
Mary Cushman
Mary Cushman University of Vermont
George Howard
George Howard University of Alabama at Birmingham
Michael Crowe
Michael Crowe University of Alabama at Birmingham

External Links

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Best Scientists Citing Frederick W. Unverzagt

Malaz Boustani

Malaz Boustani

Indiana University

Publications: 110

Christopher M. Callahan

Christopher M. Callahan

Indiana University

Publications: 80

Hugh C. Hendrie

Hugh C. Hendrie

Indiana University

Publications: 72

David E. Vance

David E. Vance

University of Alabama at Birmingham

Publications: 55

Karlene Ball

Karlene Ball

University of Alabama at Birmingham

Publications: 51

Kurt Kroenke

Kurt Kroenke

Indiana University

Publications: 50

George W. Rebok

George W. Rebok

Johns Hopkins University

Publications: 45

Carol Brayne

Carol Brayne

University of Cambridge

Publications: 41

Jennifer J. Manly

Jennifer J. Manly

Columbia University

Publications: 41

Arthur F. Kramer

Arthur F. Kramer

Northeastern University

Publications: 40

Mary Ganguli

Mary Ganguli

University of Pittsburgh

Publications: 39

David A. Bennett

David A. Bennett

Rush University Medical Center

Publications: 38

Kristine Yaffe

Kristine Yaffe

University of California, San Francisco

Publications: 36

Virginia J. Howard

Virginia J. Howard

University of Alabama at Birmingham

Publications: 36

Kaarin J. Anstey

Kaarin J. Anstey

University of New South Wales

Publications: 35

Monika M. Safford

Monika M. Safford

Cornell University

Publications: 35

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