World's Best Scientists 2026 revealed!

D-Index & Metrics

Medicine

D-Index
131
Citations
73595
World Ranking
2372
National Ranking
1337

Robert Freedman publication distribution in Medicine in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Medicine in 2026. The highlighted bar marks where Robert Freedman sits on this spectrum.

101–120 publications: 5 scientists 121–140 publications: 26 scientists 141–160 publications: 73 scientists 161–180 publications: 155 scientists 181–200 publications: 230 scientists 201–220 publications: 363 scientists 221–240 publications: 487 scientists 241–260 publications: 545 scientists 261–280 publications: 722 scientists 281–300 publications: 768 scientists 301–320 publications: 834 scientists 321–340 publications: 895 scientists 341–360 publications: 922 scientists 361–380 publications: 838 scientists 381–400 publications: 861 scientists 401–420 publications: 918 scientists 421–440 publications: 806 scientists 441–460 publications: 771 scientists 461–480 publications: 751 scientists 481–500 publications: 713 scientists 501–520 publications: 617 scientists 521–540 publications: 611 scientists 541–560 publications: 537 scientists 561–580 publications: 504 scientists 581–600 publications: 509 scientists 601–620 publications: 396 scientists 621–640 publications: 386 scientists 641–660 publications: 371 scientists 661–680 publications: 340 scientists 681–700 publications: 336 scientists 701–720 publications: 307 scientists 721–740 publications: 259 scientists 741–760 publications: 230 scientists 761–780 publications: 228 scientists 781–800 publications: 217 scientists 801–820 publications: 204 scientists 821–840 publications: 186 scientists 841–860 publications: 177 scientists 861–880 publications: 155 scientists 881–900 publications: 139 scientists 901–920 publications: 145 scientists 921–940 publications: 116 scientists 941–960 publications: 133 scientists 961–980 publications: 91 scientists 981–1,000 publications: 96 scientists 1,001–1,020 publications: 77 scientists 1,021–1,040 publications: 70 scientists 1,041–1,060 publications: 63 scientists 1,061–1,080 publications: 77 scientists 1,081–1,100 publications: 49 scientists 1,101–1,120 publications: 54 scientists 1,121–1,140 publications: 49 scientists 1,141–1,160 publications: 51 scientists 1,161–1,180 publications: 35 scientists 1,181–1,200 publications: 39 scientists 1,201–1,220 publications: 26 scientists 1,221–1,240 publications: 37 scientists 1,241–1,260 publications: 36 scientists 1,261–1,280 publications: 27 scientists 1,281–1,300 publications: 32 scientists 1,301–1,320 publications: 28 scientists 1,321–1,340 publications: 17 scientists 1,341–1,360 publications: 30 scientists 1,361–1,380 publications: 28 scientists 1,381–1,400 publications: 17 scientists 1,401–1,420 publications: 21 scientists 1,421–1,440 publications: 15 scientists 1,441–1,460 publications: 12 scientists 1,461–1,480 publications: 12 scientists 1,481–1,500 publications: 18 scientists 1,501–1,520 publications: 14 scientists 1,521–1,540 publications: 17 scientists 1,541–1,560 publications: 15 scientists 1,561–1,580 publications: 6 scientists 1,581–1,600 publications: 2 scientists 1,601–1,620 publications: 12 scientists 1,621–1,640 publications: 11 scientists 1,641–1,660 publications: 8 scientists 1,661–1,680 publications: 5 scientists 1,681–1,700 publications: 5 scientists 1,701–1,720 publications: 10 scientists 1,721–1,740 publications: 12 scientists 1,741–1,760 publications: 14 scientists 1,761–1,780 publications: 6 scientists 1,781–1,795 publications: 5 scientists 1,796+ publications: 100 scientists
101 publications 1,796+

This scientist: 590 publications — 71st percentile

71% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 1,796 publications or more.

Robert Freedman D-index placement in Medicine in 2026

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

70–71 D-Index: 226 scientists 72–73 D-Index: 391 scientists 74–75 D-Index: 574 scientists 76–77 D-Index: 730 scientists 78–79 D-Index: 891 scientists 80–81 D-Index: 972 scientists 82–83 D-Index: 1,027 scientists 84–85 D-Index: 1,003 scientists 86–87 D-Index: 960 scientists 88–89 D-Index: 970 scientists 90–91 D-Index: 922 scientists 92–93 D-Index: 839 scientists 94–95 D-Index: 808 scientists 96–97 D-Index: 779 scientists 98–99 D-Index: 668 scientists 100–101 D-Index: 611 scientists 102–103 D-Index: 630 scientists 104–105 D-Index: 513 scientists 106–107 D-Index: 541 scientists 108–109 D-Index: 445 scientists 110–111 D-Index: 429 scientists 112–113 D-Index: 400 scientists 114–115 D-Index: 393 scientists 116–117 D-Index: 318 scientists 118–119 D-Index: 302 scientists 120–121 D-Index: 287 scientists 122–123 D-Index: 255 scientists 124–125 D-Index: 256 scientists 126–127 D-Index: 252 scientists 128–129 D-Index: 230 scientists 130–131 D-Index: 179 scientists 132–133 D-Index: 168 scientists 134–135 D-Index: 163 scientists 136–137 D-Index: 159 scientists 138–139 D-Index: 134 scientists 140–141 D-Index: 134 scientists 142–143 D-Index: 118 scientists 144–145 D-Index: 109 scientists 146–147 D-Index: 106 scientists 148–149 D-Index: 74 scientists 150–151 D-Index: 79 scientists 152–153 D-Index: 80 scientists 154–155 D-Index: 87 scientists 156–157 D-Index: 57 scientists 158–159 D-Index: 74 scientists 160–161 D-Index: 69 scientists 162–163 D-Index: 60 scientists 164–165 D-Index: 53 scientists 166–167 D-Index: 39 scientists 168–169 D-Index: 42 scientists 170–171 D-Index: 32 scientists 172–173 D-Index: 39 scientists 174–175 D-Index: 40 scientists 176–177 D-Index: 28 scientists 178–179 D-Index: 19 scientists 180–181 D-Index: 23 scientists 182–183 D-Index: 31 scientists 184–185 D-Index: 18 scientists 186–187 D-Index: 20 scientists 188–189 D-Index: 22 scientists 190–191 D-Index: 13 scientists 192–193 D-Index: 21 scientists 194–195 D-Index: 12 scientists 196–197 D-Index: 12 scientists 198–199 D-Index: 14 scientists 200–201 D-Index: 15 scientists 202–203 D-Index: 13 scientists 204–205 D-Index: 10 scientists 206–207 D-Index: 8 scientists 208–209 D-Index: 4 scientists 210–211 D-Index: 12 scientists 212–213 D-Index: 11 scientists 214–215 D-Index: 10 scientists 216 D-Index: 4 scientists 217+ D-Index: 98 scientists
70 D-Index 217+

This scientist: 131 D-Index — 88th percentile

88% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 217 D-Index or more.

Research.com Recognitions

  • 2004 - Member of the National Academy of Medicine (NAM)

Overview

Robert Freedman is affiliated with the University of Colorado Anschutz Medical Campus in the United States. Their research primarily focuses on medicine, with significant contributions to pediatrics, perinatology, and child health, as well as genetics, public health, environmental and occupational health, molecular biology, and psychiatry and mental health.

The scientist's research topics cover a range of subjects including:

  • Maternal Mental Health During Pregnancy and Postpartum
  • Birth, Development, and Health
  • Genetic Associations and Epidemiology
  • Tryptophan and brain disorders
  • Neonatal and fetal brain pathology
  • Genomics and Rare Diseases
  • Schizophrenia research and treatment

Robert Freedman has contributed to numerous scientific papers, with a selection of recent papers including:

  • "A Comparison of Ten Polygenic Score Methods for Psychiatric Disorders Applied Across Multiple Cohorts," 2021, in Biological Psychiatry
  • "Interaction Testing and Polygenic Risk Scoring to Estimate the Association of Common Genetic Variants With Treatment Resistance in Schizophrenia," 2022, in JAMA Psychiatry
  • "Double blind, two dose, randomized, placebo-controlled, cross-over clinical trial of the positive allosteric modulator at the alpha7 nicotinic cholinergic receptor AVL-3288 in schizophrenia patients," 2020, in Neuropsychopharmacology
  • "P50 inhibitory sensory gating in schizophrenia: analysis of recent studies," 2020, in Schizophrenia Research
  • "Penetrance and Pleiotropy of Polygenic Risk Scores for Schizophrenia, Bipolar Disorder, and Depression Among Adults in the US Veterans Affairs Health Care System," 2022, in JAMA Psychiatry

They have frequently collaborated with several coauthors, including:

  • Sharon K. Hunter (12 joint publications)
  • M. Camille Hoffman (12 joint publications)
  • Amanda J. Law (11 joint publications)
  • Tim B. Bigdeli (10 joint publications)
  • Steven R. Bailey (8 joint publications)

Robert Freedman's work has been published in multiple venues, with notable frequent venues being:

  • Catheterization and Cardiovascular Interventions (8 publications)
  • JAMA Psychiatry (3 publications)
  • Schizophrenia Research (3 publications)
  • Journal of Psychiatric Research (2 publications)
  • Schizophrenia Bulletin (2 publications)

In recognition of their contributions, Robert Freedman was elected as a Member of the National Academy of Medicine in 2004.

Best Publications

  • Biological insights from 108 schizophrenia-associated genetic loci

    Stephan Ripke;Stephan Ripke;Benjamin M. Neale;Benjamin M. Neale;Aiden Corvin;James T. R. Walters

  • Genome-wide association study identifies five new schizophrenia loci

    Stephan Ripke;Alan R. Sanders;Kenneth S. Kendler;Douglas F. Levinson

  • Genetic relationship between five psychiatric disorders estimated from genome-wide SNPs

    S. Hong Lee;Stephan Ripke;Stephan Ripke;Benjamin M. Neale;Benjamin M. Neale;Stephen V. Faraone

  • Modeling Linkage Disequilibrium Increases Accuracy of Polygenic Risk Scores

    Bjarni J. Vilhjálmsson;Jian Yang;Hilary K. Finucane;Alexander Gusev

  • Linkage of a neurophysiological deficit in schizophrenia to a chromosome 15 locus

    Robert Freedman;Hilary Coon;Marina Myles-Worsley;Avi Orr-Urtreger

  • Common variants on chromosome 6p22.1 are associated with schizophrenia

    Jianxin Shi;Douglas F. Levinson;Jubao Duan;Alan R. Sanders

  • Neurophysiological evidence for a defect in neuronal mechanisms involved in sensory gating in schizophrenia.

    Lawrence E Adler;E. Pachtman;R. D. Franks;M. Pecevich

  • Identification of loci associated with schizophrenia by genome-wide association and follow-up

    Michael C. O'Donovan;Nicholas Craddock;Nadine Norton;Hywel Williams

  • Contribution of copy number variants to schizophrenia from a genome-wide study of 41,321 subjects

    Christian R Marshall;Daniel P Howrigan;Daniel P Howrigan;Daniele Merico;Bhooma Thiruvahindrapuram

  • Normalization of Auditory Physiology by Cigarette Smoking in Schizophrenic Patients

    Lawrence E. Adler;Lee D. Hoffer;Anne Wiser;Robert Freedman

  • Evidence in postmortem brain tissue for decreased numbers of hippocampal nicotinic receptors in schizophrenia.

    Robert Freedman;Michael Hall;Lawrence E. Adler;Sherry Leonard

  • Schizophrenia, Sensory Gating, and Nicotinic Receptors

    Lawrence E. Adler;Ann Olincy;Merilyne Waldo;Josette G. Harris

  • Proof-of-concept trial of an alpha7 nicotinic agonist in schizophrenia.

    Ann Olincy;Josette G. Harris;Lynn L. Johnson;Vicki Pender

  • Genomic Dissection of Bipolar Disorder and Schizophrenia, Including 28 Subphenotypes

    Douglas M. Ruderfer;Stephan Ripke;Stephan Ripke;Stephan Ripke;Andrew McQuillin;James Boocock

  • Psychiatric genome-wide association study analyses implicate neuronal, immune and histone pathways

    Colm O'Dushlaine;Lizzy Rossin;Phil H. Lee;Laramie Duncan;Laramie Duncan

  • Neurophysiological evidence for a defect in inhibitory pathways in schizophrenia: comparison of medicated and drug-free patients.

    Freedman R;Adler Le;Waldo Mc;Pachtman E

  • Association of Promoter Variants in the α7 Nicotinic Acetylcholine Receptor Subunit Gene With an Inhibitory Deficit Found in Schizophrenia

    Sherry Leonard;Judith Gault;Jan Hopkins;Judith Logel

  • Human fetal dopamine neurons grafted into the striatum in two patients with severe Parkinson's disease. A detailed account of methodology and a 6-month follow-up

    Olle Lindvall;Stig Rehncrona;Patrik Brundin;Björn Gustavii

  • Normalization by nicotine of deficient auditory sensory gating in the relatives of schizophrenics.

    Lawrence E. Adler;Lee J. Hoffer;Jay Griffith;Merilyne C. Waldo

  • Deconstructing Schizophrenia: An Overview of the Use of Endophenotypes in Order to Understand a Complex Disorder

    David L. Braff;Robert Freedman;Nicholas J. Schork;Irving I. Gottesman

Frequent Co-Authors

Lawrence E. Adler
Lawrence E. Adler University of Colorado Denver
Jeremy M. Silverman
Jeremy M. Silverman Icahn School of Medicine at Mount Sinai
William Byerley
William Byerley University of California, San Francisco
Larry J. Siever
Larry J. Siever Icahn School of Medicine at Mount Sinai
Larry J. Seidman
Larry J. Seidman Beth Israel Deaconess Medical Center
Ming T. Tsuang
Ming T. Tsuang University of California, San Diego
Allen D. Radant
Allen D. Radant University of Washington
David L. Braff
David L. Braff University of California, San Diego
Gregory A. Light
Gregory A. Light University of California, San Diego
Barry J. Hoffer
Barry J. Hoffer Case Western Reserve University

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