World's Best Scientists 2026 revealed!

D-Index & Metrics

Medicine

D-Index
86
Citations
23658
World Ranking
14266
National Ranking
7210

Duncan B. Clark 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 Duncan B. Clark 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: 267 publications — 11th percentile

11% of scientists in this discipline score the same or lower.

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

Duncan B. Clark 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 Duncan B. Clark 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: 86 D-Index — 31st percentile

31% 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

  • 1960 - Fellow of the American Association for the Advancement of Science (AAAS)

Overview

Duncan B. Clark is affiliated with the University of Pittsburgh in the United States. Their research primarily spans the fields of Medicine and Psychology, with notable contributions to Experimental and Cognitive Psychology, Cognitive Neuroscience, Clinical Psychology, Pediatrics, Perinatology and Child Health, and Epidemiology.

The scientist's work covers several main topics, including:

  • Sleep and related disorders
  • Sleep and Wakefulness Research
  • Functional Brain Connectivity Studies
  • Substance Abuse Treatment and Outcomes
  • Attention Deficit Hyperactivity Disorder
  • Child and Adolescent Psychosocial and Emotional Development
  • Prenatal Substance Exposure Effects

Clark has contributed extensively to a series of recent papers, notable among them are:

  • Sleep Disturbance Predicts Depression Symptoms in Early Adolescence: Initial Findings From the Adolescent Brain Cognitive Development Study (2020, Journal of Adolescent Health)
  • Correspondence Between Perceived Pubertal Development and Hormone Levels in 9-10 Year-Olds From the Adolescent Brain Cognitive Development Study (2021, Frontiers in Endocrinology)
  • Baseline brain function in the preadolescents of the ABCD Study (2021, Nature Neuroscience)
  • Demographic and mental health assessments in the adolescent brain and cognitive development study: Updates and age-related trajectories (2021, Developmental Cognitive Neuroscience)
  • Rates of Incidental Findings in Brain Magnetic Resonance Imaging in Children (2021, JAMA Neurology)

Research collaboration features frequent co-authorship with scholars such as:

  • Fiona C. Baker
  • Susan F. Tapert
  • Brant P. Hasler
  • Sandra A. Brown
  • Kate B. Nooner

Key publication venues where Clark's work appears include:

  • SLEEP
  • bioRxiv (Cold Spring Harbor Laboratory)
  • Developmental Cognitive Neuroscience
  • UNC Libraries
  • Journal of Adolescent Health

The scientist was recognized as a Fellow of the American Association for the Advancement of Science (AAAS) in 1960.

Best Publications

  • Developmental traumatology part II: brain development ∗

    Michael D De Bellis;Matcheri S Keshavan;Duncan B Clark;B.J Casey

  • Image processing and analysis methods for the Adolescent Brain Cognitive Development Study.

    Donald J. Hagler;Sean N. Hatton;M. Daniela Cornejo;Carolina Makowski

  • Hippocampal volume in adolescent-onset alcohol use disorders.

    M D De Bellis;D B Clark;S R Beers;P H Soloff

  • Demographic, physical and mental health assessments in the adolescent brain and cognitive development study: Rationale and description

    M Deanna;Matthew D. Albaugh;Shelli Avenevoli;Linda Chang

  • Neurobehavioral Disinhibition in Childhood Predicts Early Age at Onset of Substance Use Disorder

    Ralph E. Tarter;Levent Kirisci;Ada Mezzich;Jack R. Cornelius

  • Fluoxetine for the Treatment of Childhood Anxiety Disorders

    Boris Birmaher;David A. Axelson;Kelly Monk;Catherine Kalas

  • Prefrontal Cortex, Thalamus, and Cerebellar Volumes in Adolescents and Young Adults with Adolescent-Onset Alcohol Use Disorders and Comorbid Mental Disorders

    Michael D. De Bellis;Anandhi Narasimhan;Dawn L. Thatcher;Matcheri S. Keshavan

  • Common liability to addiction and “gateway hypothesis”: Theoretical, empirical and evolutionary perspective

    Michael M. Vanyukov;Ralph E. Tarter;Galina P. Kirillova;Levent Kirisci

  • Is there an association between alcohol consumption and sexually transmitted diseases? A systematic review.

    Robert L Cook;Duncan B Clark

  • Traumas and other adverse life events in adolescents with alcohol abuse and dependence.

    Duncan B. Clark;Lynne Lesnick;Andrea M. Hegedus

  • Gender and Comorbid Psychopathology in Adolescents With Alcohol Dependence

    Duncan B. Clark;Nancy Pollock;Oscar G. Bukstein;Ada C. Mezzich

  • Etiology of early age onset substance use disorder: A maturational perspective

    Ralph E. Tarter;Michael Vanyukov;Peter Giancola;Michael Dawes

  • Adolescent versus adult onset and the development of substance use disorders in males.

    Duncan B Clark;Levent Kirisci;Ralph E Tarter

  • Alcohol, Psychological Dysregulation, and Adolescent Brain Development

    Duncan B. Clark;Dawn L. Thatcher;Susan F. Tapert

  • The National Consortium on Alcohol and NeuroDevelopment in Adolescence (NCANDA): a multisite study of adolescent development and substance use

    Sandra A. Brown;Ty Brumback;Kristin Tomlinson;Kevin Cummins

  • Liability to substance use disorders: 1. Common mechanisms and manifestations.

    Michael M Vanyukov;Ralph E Tarter;Levent Kirisci;Galina P Kirillova

  • Childhood risk categories for adolescent substance involvement: a general liability typology.

    Duncan B. Clark;Jack R. Cornelius;Levent Kirisci;Ralph E. Tarter

  • Measuring risks and outcomes in substance use disorders prevention research.

    Duncan B. Clark;Ken C. Winters

  • The natural history of adolescent alcohol use disorders

    Duncan B. Clark

  • Etiology of early age onset substance use disorder

    Ralph Tarter;Michael Vanyukov;Peter Giancola;Michael A Dawes

Frequent Co-Authors

Jack R. Cornelius
Jack R. Cornelius University of Pittsburgh
Tammy Chung
Tammy Chung Rutgers, The State University of New Jersey
Fiona C. Baker
Fiona C. Baker SRI International
Adolf Pfefferbaum
Adolf Pfefferbaum Stanford University
Levent Kirisci
Levent Kirisci University of Pittsburgh
Christopher S. Martin
Christopher S. Martin University of Pittsburgh
Brant P. Hasler
Brant P. Hasler University of Pittsburgh
Susan F. Tapert
Susan F. Tapert University of California, San Diego
Ralph E. Tarter
Ralph E. Tarter University of Pittsburgh
Bonnie J. Nagel
Bonnie J. Nagel Oregon Health & Science University

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