World's Best Scientists 2026 revealed!

D-Index & Metrics

Medicine

D-Index
82
Citations
27529
World Ranking
16009
National Ranking
8056

Richard D. Todd 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 Richard D. Todd 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: 209 publications — 3rd percentile

3% of scientists in this discipline score the same or lower.

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

Richard D. Todd 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 Richard D. Todd 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: 82 D-Index — 21st percentile

21% of scientists in this discipline score the same or lower.

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

Overview

Richard D. Todd was affiliated with Washington University in St. Louis in the United States. Their academic and research career was connected to this institution, where they contributed to the scientific community.

Details about their specific research topics, fields of study, and publications have not been documented in the available source data. Similarly, no information regarding frequent co-authors or common publication venues has been identified.

The absence of recorded book publications or awards limits further insight into additional scholarly contributions or recognitions during their career.

The scientist was deceased, and the profile reflects a summary of available factual information without interpretative commentary on their work or impact.

Best Publications

  • Subgenual prefrontal cortex abnormalities in mood disorders

    Wayne C. Drevets;Joseph L. Price;Joseph R. Simpson;Richard D. Todd

  • Validation of a brief quantitative measure of autistic traits: comparison of the social responsiveness scale with the autism diagnostic interview-revised.

    John N. Constantino;Sandra A. Davis;Richard D. Todd;Matthew K. Schindler

  • Autistic traits in the general population: a twin study.

    John N. Constantino;Richard D. Todd

  • Subcortical brain volume differences in participants with attention deficit hyperactivity disorder in children and adults: a cross-sectional mega-analysis

    Martine Hoogman;Janita Bralten;Derrek P. Hibar;Maarten Mennes

  • Intergenerational Transmission of Subthreshold Autistic Traits in the General Population

    John N. Constantino;Richard D. Todd

  • Glucose metabolism in the amygdala in depression: relationship to diagnostic subtype and plasma cortisol levels.

    Wayne C Drevets;Joseph L Price;Mark E Bardgett;Theodore Reich

  • Genomewide association studies: history, rationale, and prospects for psychiatric disorders.

    Sven Cichon;Nick Craddock;Mark Daly;Mark Daly;Stephen V. Faraone

  • Sex and age differences in attention-deficit/hyperactivity disorder symptoms and diagnoses: implications for DSM-V and ICD-11.

    Ujjwal P. Ramtekkar;Angela M. Reiersen;Alexandre A. Todorov;Richard D. Todd

  • Volumetric reduction in left subgenual prefrontal cortex in early onset depression.

    Kelly N Botteron;Marcus E Raichle;Wayne C Drevets;Andrew C Heath

  • Reciprocal social behavior in children with and without pervasive developmental disorders.

    John N. Constantino;Thomas Przybeck;Darrin Friesen;Richard D. Todd

  • Total and regional brain volumes in a population-based normative sample from 4 to 18 years: The NIH MRI study of normal brain development

    W. S. Ball;A. W. Byars;M. Schapiro;W. Bommer

  • Autistic traits in a population-based ADHD twin sample.

    Angela M. Reiersen;John N. Constantino;Heather E. Volk;Richard D. Todd

  • Latent Class and Factor Analysis of DSM-IV ADHD: A Twin Study of Female Adolescents

    James J. Hudziak;Andrew C. Heath;Pamela F. Madden;Wendy Reich

  • Autistic Social Impairment in the Siblings of Children With Pervasive Developmental Disorders

    John N. Constantino;Clara Lajonchere;Marin Lutz;Teddi Gray

  • Prenatal smoking exposure and dopaminergic genotypes interact to cause a severe ADHD subtype.

    Rosalind J. Neuman;Elizabeth Lobos;Wendy Reich;Cynthia A. Henderson

  • Familial Aggregation of Quantitative Autistic Traits in Multiplex versus Simplex Autism

    Yamini V. Virkud;Richard D. Todd;Anna M. Abbacchi;Yi Zhang

  • Alcoholism and alleles of the human D2 dopamine receptor locus. Studies of association and linkage.

    A. Parsian;R. D. Todd;Eric J. Devor;K. L. Omalley

  • Genetic Structure of Reciprocal Social Behavior

    John N. Constantino;Richard D. Todd

  • Rapid quantitative assessment of autistic social impairment by classroom teachers.

    John N. Constantino;Patricia D. Lavesser;Yi Zhang;Anna M. Abbacchi

  • Pharmacological and functional characterization of D2, D3 and D4 dopamine receptors in fibroblast and dopaminergic cell lines.

    Lei Tang;R. D. Todd;A. Heller;K. L. O'malley

Frequent Co-Authors

James J. Hudziak
James J. Hudziak University of Vermont
Andrew C. Heath
Andrew C. Heath Washington University in St. Louis
John N. Constantino
John N. Constantino Washington University in St. Louis
Karen L. O'Malley
Karen L. O'Malley Washington University in St. Louis
Pamela A. F. Madden
Pamela A. F. Madden Washington University in St. Louis
Nicholas G. Martin
Nicholas G. Martin QIMR Berghofer Medical Research Institute
Arpana Agrawal
Arpana Agrawal Washington University in St. Louis
Theodore Reich
Theodore Reich Washington University in St. Louis
Dorret I. Boomsma
Dorret I. Boomsma Vrije Universiteit Amsterdam
Grant W. Montgomery
Grant W. Montgomery University of Queensland

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