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Mark A. Sager

D-Index & Metrics

Medicine

D-Index
72
Citations
23211
World Ranking
19787
National Ranking
9852

Neuroscience

D-Index
70
Citations
22700
World Ranking
2478
National Ranking
1175

Mark A. Sager publication distribution in Neuroscience in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Neuroscience in 2026. The highlighted bar marks where Mark A. Sager sits on this spectrum.

38–47 publications: 18 scientists 48–57 publications: 79 scientists 58–67 publications: 193 scientists 68–77 publications: 323 scientists 78–87 publications: 406 scientists 88–97 publications: 452 scientists 98–107 publications: 539 scientists 108–117 publications: 505 scientists 118–127 publications: 522 scientists 128–137 publications: 469 scientists 138–147 publications: 456 scientists 148–157 publications: 459 scientists 158–167 publications: 397 scientists 168–177 publications: 383 scientists 178–187 publications: 350 scientists 188–197 publications: 302 scientists 198–207 publications: 306 scientists 208–217 publications: 262 scientists 218–227 publications: 242 scientists 228–237 publications: 220 scientists 238–247 publications: 203 scientists 248–257 publications: 174 scientists 258–267 publications: 176 scientists 268–277 publications: 175 scientists 278–287 publications: 125 scientists 288–297 publications: 116 scientists 298–307 publications: 127 scientists 308–317 publications: 128 scientists 318–327 publications: 99 scientists 328–337 publications: 89 scientists 338–347 publications: 78 scientists 348–357 publications: 96 scientists 358–367 publications: 66 scientists 368–377 publications: 59 scientists 378–387 publications: 65 scientists 388–397 publications: 54 scientists 398–407 publications: 48 scientists 408–417 publications: 49 scientists 418–427 publications: 34 scientists 428–437 publications: 31 scientists 438–447 publications: 30 scientists 448–457 publications: 31 scientists 458–467 publications: 36 scientists 468–477 publications: 40 scientists 478–487 publications: 35 scientists 488–497 publications: 30 scientists 498–507 publications: 23 scientists 508–517 publications: 26 scientists 518–527 publications: 20 scientists 528–537 publications: 23 scientists 538–547 publications: 20 scientists 548–557 publications: 20 scientists 558–567 publications: 17 scientists 568–577 publications: 14 scientists 578–587 publications: 20 scientists 588–597 publications: 20 scientists 598–607 publications: 19 scientists 608–617 publications: 18 scientists 618–627 publications: 17 scientists 628–637 publications: 11 scientists 638–647 publications: 11 scientists 648–657 publications: 11 scientists 658–667 publications: 8 scientists 668–677 publications: 7 scientists 678–687 publications: 11 scientists 688–697 publications: 10 scientists 698–707 publications: 4 scientists 708–717 publications: 6 scientists 718–727 publications: 5 scientists 728–737 publications: 5 scientists 738–747 publications: 9 scientists 748–757 publications: 9 scientists 758–767 publications: 3 scientists 768–777 publications: 7 scientists 778–787 publications: 7 scientists 788–797 publications: 6 scientists 798–807 publications: 2 scientists 808–817 publications: 2 scientists 818–827 publications: 7 scientists 828–837 publications: 0 scientists 838–847 publications: 9 scientists 848–857 publications: 3 scientists 858–867 publications: 1 scientists 868–877 publications: 3 scientists 878–886 publications: 6 scientists 887+ publications: 100 scientists
38 publications 887+

This scientist: 288 publications — 81st percentile

81% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 887 publications or more.

Mark A. Sager D-index placement in Neuroscience in 2026

The chart shows the D-index (discipline H-index) distribution of Neuroscience scientists ranked by Research.com in 2026. The highlighted bar marks where Mark A. Sager sits on this spectrum.

30–31 D-Index: 42 scientists 32–33 D-Index: 172 scientists 34–35 D-Index: 296 scientists 36–37 D-Index: 435 scientists 38–39 D-Index: 459 scientists 40–41 D-Index: 456 scientists 42–43 D-Index: 467 scientists 44–45 D-Index: 478 scientists 46–47 D-Index: 512 scientists 48–49 D-Index: 435 scientists 50–51 D-Index: 425 scientists 52–53 D-Index: 418 scientists 54–55 D-Index: 392 scientists 56–57 D-Index: 357 scientists 58–59 D-Index: 334 scientists 60–61 D-Index: 328 scientists 62–63 D-Index: 260 scientists 64–65 D-Index: 278 scientists 66–67 D-Index: 239 scientists 68–69 D-Index: 250 scientists 70–71 D-Index: 210 scientists 72–73 D-Index: 200 scientists 74–75 D-Index: 189 scientists 76–77 D-Index: 170 scientists 78–79 D-Index: 146 scientists 80–81 D-Index: 113 scientists 82–83 D-Index: 126 scientists 84–85 D-Index: 100 scientists 86–87 D-Index: 84 scientists 88–89 D-Index: 99 scientists 90–91 D-Index: 84 scientists 92–93 D-Index: 85 scientists 94–95 D-Index: 72 scientists 96–97 D-Index: 76 scientists 98–99 D-Index: 45 scientists 100–101 D-Index: 49 scientists 102–103 D-Index: 43 scientists 104–105 D-Index: 32 scientists 106–107 D-Index: 45 scientists 108–109 D-Index: 50 scientists 110–111 D-Index: 32 scientists 112–113 D-Index: 39 scientists 114–115 D-Index: 32 scientists 116–117 D-Index: 29 scientists 118–119 D-Index: 27 scientists 120–121 D-Index: 19 scientists 122–123 D-Index: 23 scientists 124–125 D-Index: 27 scientists 126–127 D-Index: 16 scientists 128–129 D-Index: 24 scientists 130–131 D-Index: 13 scientists 132–133 D-Index: 21 scientists 134–135 D-Index: 17 scientists 136–137 D-Index: 14 scientists 138–139 D-Index: 15 scientists 140–141 D-Index: 10 scientists 142–143 D-Index: 10 scientists 144–145 D-Index: 13 scientists 146–147 D-Index: 9 scientists 148–149 D-Index: 8 scientists 150–151 D-Index: 6 scientists 152–153 D-Index: 6 scientists 154–155 D-Index: 7 scientists 156–157 D-Index: 7 scientists 158–159 D-Index: 10 scientists 160–161 D-Index: 4 scientists 162 D-Index: 8 scientists 163+ D-Index: 100 scientists
30 D-Index 163+

This scientist: 70 D-Index — 74th percentile

74% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 163 D-Index or more.

Overview

Mark A. Sager is affiliated with the University of Wisconsin-Madison in the United States. Their research primarily focuses on medicine, with notable contributions across various subfields including physiology, radiology, nuclear medicine and imaging, psychiatry and mental health, cognitive neuroscience, and neurology.

Their work addresses multiple topics such as Alzheimer's disease research and treatments, dementia and cognitive impairment research, advanced neuroimaging techniques and applications, functional brain connectivity studies, genetic syndromes and imprinting, frailty in older adults, and advanced MRI techniques and applications.

Recent publications authored by Mark A. Sager include:

  • Association of Elevated Amyloid and Tau Positron Emission Tomography Signal With Near-Term Development of Alzheimer Disease Symptoms in Older Adults Without Cognitive Impairment, 2022, JAMA Neurology
  • Impact of sex and APOE ε4 on age-related cerebral perfusion trajectories in cognitively asymptomatic middle-aged and older adults: A longitudinal study, 2021, Journal of Cerebral Blood Flow & Metabolism
  • Age-related differences in white matter microstructure measured by advanced diffusion MRI in healthy older adults at risk for Alzheimer's disease, 2022, Aging Brain
  • Age-Related Tau Burden and Cognitive Deficits Are Attenuated in KLOTHO KL-VS Heterozygotes, 2021, Journal of Alzheimer s Disease
  • Spatial Extent of Amyloid-β Levels and Associations With Tau-PET and Cognition, 2022, JAMA Neurology

Frequent co-authors in their research activity include:

  • Ozioma C. Okonkwo
  • Sterling C. Johnson
  • Sanjay Asthana
  • Catherine L. Gallagher
  • Bruce P. Hermann

Their publications are often featured in the following venues:

  • Alzheimer s & Dementia
  • Journal of Alzheimer s Disease
  • JAMA Neurology
  • Alzheimer s & Dementia Diagnosis Assessment & Disease Monitoring
  • Brain Communications

Best Publications

  • Genetic meta-analysis of diagnosed Alzheimer’s disease identifies new risk loci and implicates Aβ, tau, immunity and lipid processing

    Unknown

  • Practice guideline update summary: Mild cognitive impairment: Report of the Guideline Development, Dissemination, and Implementation Subcommittee of the American Academy of Neurology

    Ronald C. Petersen;Oscar Lopez;Melissa J. Armstrong;Thomas S.D. Getchius

  • Multi-ancestry genome-wide meta-analysis of 56,241 individuals identifies LRRC4C, LHX5-AS1 and nominates ancestry-specific loci PTPRK, GRB14, and KIAA0825 as novel risk loci for Alzheimer disease: the Alzheimer Disease Genetics Consortium

    Unknown

  • Rare coding variants in PLCG2, ABI3, and TREM2 implicate microglial-mediated innate immunity in Alzheimer's disease

    Rebecca Sims;Sven J. Van Der Lee;Adam C. Naj;Céline Bellenguez;Céline Bellenguez

  • Functional Outcomes of Acute Medical Illness and Hospitalization in Older Persons

    M A Sager;T Franke;S K Inouye;C S Landefeld

  • Hospital admission risk profile (HARP): identifying older patients at risk for functional decline following acute medical illness and hospitalization.

    M. A. Sager;M. A. Rudberg;Muhammad Jalaluddin;T. Franke

  • Exceptionally low likelihood of Alzheimer’s dementia in APOE2 homozygotes from a 5,000-person neuropathological study

    Eric M Reiman;Joseph F Arboleda-Velasquez;Yakeel T Quiroz;Matthew J Huentelman

  • Association of Insulin Resistance With Cerebral Glucose Uptake in Late Middle–Aged Adults at Risk for Alzheimer Disease

    Auriel A. Willette;Barbara B. Bendlin;Erika J. Starks;Alex C. Birdsill

  • The effect of body mass index on global brain volume in middle-aged adults: a cross sectional study

    Michael A Ward;Cynthia M Carlsson;Mehul A Trivedi;Mark A Sager

  • The Wisconsin Registry for Alzheimer's Prevention: A review of findings and current directions.

    Sterling C. Johnson;Rebecca L. Koscik;Erin M. Jonaitis;Lindsay R. Clark

  • A novel Alzheimer disease locus located near the gene encoding tau protein

    G. Jun;C. A. Ibrahim-Verbaas;M. Vronskaya;J-C Lambert;J-C Lambert;J-C Lambert

  • Middle-Aged Children of Persons With Alzheimer’s Disease: APOE Genotypes and Cognitive Function in the Wisconsin Registry for Alzheimer’s Prevention

    Mark A. Sager;Bruce Hermann;Asenath La Rue

  • Early identification and treatment of Alzheimer's disease: Social and fiscal outcomes

    David L. Weimer;Mark A. Sager

  • Insulin resistance predicts brain amyloid deposition in late middle-aged adults.

    Auriel A. Willette;Auriel A. Willette;Sterling C. Johnson;Alex C. Birdsill;Mark A. Sager

  • Risk of falls after hospital discharge.

    Jane Mahoney;Mark Sager;Nancy Cross Dunham;Jill Johnson

  • Measurement of Activities of Daily Living in Hospitalized Elderly: A Comparison of Self‐Report and Performance‐Based Methods

    Mark A. Sager;Nancy Cross Dunham;Amy Schwantes;Laurie Mecum

  • Physical activity attenuates age-related biomarker alterations in preclinical AD

    Ozioma C. Okonkwo;Stephanie A. Schultz;Jennifer M. Oh;Jordan Larson

  • Amyloid burden is associated with self-reported sleep in nondemented late middle-aged adults

    Kate E. Sprecher;Barbara B. Bendlin;Annie M. Racine;Ozioma C. Okonkwo

  • Novel Alzheimer Disease Risk Loci and Pathways in African American Individuals Using the African Genome Resources Panel: A Meta-analysis

    Brian W. Kunkle;Michael Schmidt;Hans Ulrich Klein;Adam C. Naj

  • Association of Amyloid Pathology With Myelin Alteration in Preclinical Alzheimer Disease

    Douglas C. Dean;Samuel A. Hurley;Steven R. Kecskemeti;J. Patrick O’Grady

  • Poor sleep is associated with CSF biomarkers of amyloid pathology in cognitively normal adults.

    Kate E. Sprecher;Rebecca L. Koscik;Cynthia M. Carlsson;Henrik Zetterberg

  • Amyloid burden and neural function in people at risk for Alzheimer's Disease

    Sterling C. Johnson;Bradley T. Christian;Ozioma C. Okonkwo;Jennifer M. Oh

  • Insulin Resistance, Brain Atrophy, and Cognitive Performance in Late Middle–Aged Adults

    Auriel A. Willette;Guofan Xu;Sterling C. Johnson;Alex C. Birdsill

  • Reduced hippocampal activation during episodic encoding in middle-aged individuals at genetic risk of Alzheimer's disease: a cross-sectional study.

    Mehul A Trivedi;Mehul A Trivedi;Taylor W Schmitz;Taylor W Schmitz;Michele L Ries;Michele L Ries;Britta M Torgerson;Britta M Torgerson

  • Magnetic resonance imaging characterization of brain structure and function in mild cognitive impairment: a review.

    Michele L. Ries;Cynthia M. Carlsson;Howard A. Rowley;Mark A. Sager

  • Transethnic genome-wide scan identifies novel Alzheimer's disease loci

    Gyungah R. Jun;Gyungah R. Jun;Jaeyoon Chung;Jesse Mez;Robert Barber

  • Temporal Association Between Hospitalization and Rate of Falls After Discharge

    Jane E. Mahoney;Mari Palta;Jill Johnson;Muhammad Jalaluddin

Frequent Co-Authors

Sterling C. Johnson
Sterling C. Johnson University of Wisconsin–Madison
Sanjay Asthana
Sanjay Asthana University of Wisconsin–Madison
Bruce P. Hermann
Bruce P. Hermann University of Wisconsin–Madison
Rebecca L. Koscik
Rebecca L. Koscik University of Wisconsin–Madison
Ozioma C. Okonkwo
Ozioma C. Okonkwo University of Wisconsin–Madison
Henrik Zetterberg
Henrik Zetterberg University of Gothenburg
Kaj Blennow
Kaj Blennow University of Gothenburg
Andrew L. Alexander
Andrew L. Alexander University of Wisconsin–Madison
Bradley T. Christian
Bradley T. Christian University of Wisconsin–Madison
Taylor W. Schmitz
Taylor W. Schmitz University of Western Ontario

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Related Online Degrees & Career Pathways

Exploring neuroscience opens diverse career pathways in healthcare, research, and mental health services. Many students interested in the brain and behavior consider complementary online degrees to expand their opportunities. For those seeking affordability, a cheap online psychology degree can offer foundational knowledge in psychology, which is a closely related field to neuroscience.

If helping individuals and communities through counseling or advocacy is appealing, consider pursuing msw online programs. These pathways focus on social work and can lead to impactful careers in mental health. For those aiming for the highest levels of clinical practice, exploring psyd programs online provides a route to become a licensed psychologist.

Additionally, there are options for specialized practice in family and group therapy through marriage and family therapy online programs. These programs can often be completed in a shorter timeframe and prepare graduates for therapeutic roles in healthcare and community settings.

Best Scientists Citing Mark A. Sager

Sterling C. Johnson

Sterling C. Johnson

University of Wisconsin–Madison

Publications: 128

Kaj Blennow

Kaj Blennow

University of Gothenburg

Publications: 106

Henrik Zetterberg

Henrik Zetterberg

University of Gothenburg

Publications: 91

Sanjay Asthana

Sanjay Asthana

University of Wisconsin–Madison

Publications: 62

Rebecca L. Koscik

Rebecca L. Koscik

University of Wisconsin–Madison

Publications: 50

David A. Bennett

David A. Bennett

Rush University Medical Center

Publications: 48

Reisa A. Sperling

Reisa A. Sperling

Brigham and Women's Hospital

Publications: 44

Alison Goate

Alison Goate

Icahn School of Medicine at Mount Sinai

Publications: 39

John C. Morris

John C. Morris

Washington University in St. Louis

Publications: 39

Frank Jessen

Frank Jessen

University of Cologne

Publications: 38

Ronald C. Petersen

Ronald C. Petersen

University of Pennsylvania

Publications: 37

Ozioma C. Okonkwo

Ozioma C. Okonkwo

University of Wisconsin–Madison

Publications: 37

Philip L. De Jager

Philip L. De Jager

Columbia University

Publications: 35

Philip Scheltens

Philip Scheltens

Amsterdam UMC

Publications: 33

Lan Tan

Lan Tan

Qingdao University

Publications: 33

Ralph N. Martins

Ralph N. Martins

Edith Cowan University

Publications: 32

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