World's Best Scientists 2026 revealed!
Robert O. Pihl

Robert O. Pihl

D-Index & Metrics

Psychology

D-Index
83
Citations
23385
World Ranking
1280
National Ranking
68

Robert O. Pihl 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 Robert O. Pihl 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: 294 publications — 87th percentile

87% of scientists in this discipline score the same or lower.

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

Robert O. Pihl 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 Robert O. Pihl 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: 83 D-Index — 89th percentile

89% 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

  • 1986 - Fellow of the American Psychological Association (APA)

Overview

Robert O. Pihl is affiliated with McGill University in Canada, where their research focuses on psychology, neuroscience, and medicine. Their work encompasses multiple subfields including clinical psychology, cellular and molecular neuroscience, cognitive neuroscience, molecular biology, and education.

Their research topics broadly cover child and adolescent psychosocial and emotional development, neurotransmitter receptor influence on behavior, child abuse and trauma, nicotinic acetylcholine receptors study, youth substance use and school attendance, suicide and self-harm studies, and neural and behavioral psychology studies.

Robert O. Pihl has coauthored frequently with several researchers, including:

  • Jean R. Séguin
  • Sylvia M. L. Cox
  • Natalie Castellanos-Ryan
  • Chawki Benkelfat
  • Sophie Parent

They have published articles in various venues, most notably:

  • Neuropsychopharmacology
  • McGill Journal of Medicine
  • American Journal of Psychiatry
  • The Canadian Journal of Psychiatry
  • Drug and Alcohol Dependence

Representatives of their recent papers include:

  • Extra-striatal D2/3 receptor availability in youth at risk for addiction, 2020, Neuropsychopharmacology
  • Externalizing Risk Pathways for Adolescent Substance Use and Its Developmental Onset: A Canadian Birth Cohort Study: Trajectoires de comportements extériorisés et le risque pour l'initiation et l'usage de substances des adolescents: Une étude de cohorte de naissance canadienne, 2021, The Canadian Journal of Psychiatry
  • Five-Year Outcomes of a School-Based Personality-Focused Prevention Program on Adolescent Substance Use Disorder: A Cluster Randomized Trial, 2025, American Journal of Psychiatry
  • mGlu5 receptor availability in youth at risk for addictions: effects of vulnerability traits and cannabis use, 2020, Neuropsychopharmacology
  • A three-factor model of common early onset psychiatric disorders: temperament, adversity, and dopamine, 2021, Neuropsychopharmacology

Robert O. Pihl's work extends to studies on neurotransmitter receptors such as D2/3 and mGlu5, and the role of these receptors in addiction vulnerability among youth.

They have received recognition such as being named a Fellow of the American Psychological Association (APA) in 1986.

Best Publications

  • Predicting Early Onset of Male Antisocial Behavior From Preschool Behavior

    Richard E. Tremblay;Robert O. Pihl;Frank Vitaro;Patricia L. Dobkin

  • Tryptophan depletion causes a rapid lowering of mood in normal males

    Simon N. Young;Scott E. Smith;Robert O. Pihl;Frank R. Ervin

  • The substance use risk profile scale: A scale measuring traits linked to reinforcement-specific substance use profiles

    Patricia A. Woicik;Sherry H. Stewart;Robert O. Pihl;Patricia J. Conrod

  • Alcohol promotes dopamine release in the human nucleus accumbens.

    Isabelle Boileau;Jean-Marc Assaad;Jean-Marc Assaad;Robert O. Pihl;Chawki Benkelfat

  • A bimodal preventive intervention for disruptive kindergarten boys: its impact through mid-adolescence.

    Richard E. Tremblay;Linda Pagani-Kurtz;Louise C. Mâsse;Frank Vitaro

  • Setting, elaborating, and reflecting on personal goals improves academic performance.

    Dominique Morisano;Jacob B. Hirsh;Jordan B. Peterson;Robert O. Pihl

  • Serotonin and alcohol intake, abuse, and dependence: Findings of animal studies.

    David LeMarquand;Robert O. Pihl;Chawki Benkelfat

  • Acute alcohol intoxication and cognitive functioning.

    Jordan B. Peterson;Jennifer Rothfleisch;Philip D. Zelazo;R. O. Pihl

  • Cognitive and neuropsychological characteristics of physically aggressive boys.

    Jean R. Séguin;Robert O. Pihl;Philip W. Harden;Richard E. Tremblay

  • Serotonin and alcohol intake, abuse, and dependence: Clinical evidence

    David LeMarquand;Robert O. Pihl;Chawki Benkelfat

  • Functional associations among trauma, PTSD, and substance-related disorders.

    Sherry H. Stewart;Robert O. Pihl;Patricia J. Conrod;Maurice Dongier

  • Patterns of simultaneous polysubstance use in drug using university students

    Sean P. Barrett;Christine Darredeau;Robert O. Pihl

  • Anxiety sensitivity and self-reported reasons for drug use

    Sherry H. Stewart;Julie Karp;Robert O. Pihl;Rolf A. Peterson

  • Validation of a system of classifying female substance abusers on the basis of personality and motivational risk factors for substance abuse.

    Patricia J. Conrod;Robert O. Pihl;Sherry H. Stewart;Maurice Dongier

  • Hair element content in learning disabled children

    RO Pihl;M Parkes

  • Executive functions and physical aggression after controlling for attention deficit hyperactivity disorder, general memory, and IQ.

    Jean R. Séguin;Bernard Boulerice;Philip W. Harden;Richard E. Tremblay

  • Anxiety, antisocial behavior, and heart rate regulation in adolescent males.

    Enrico Mezzacappa;Richard E. Tremblay;Daniel Kindlon;J. Philip Saul

  • Current directions in research on understanding and preventing intoxicated aggression

    K Graham;K E Leonard;R Room;T C Wild

  • Prefrontal cognitive ability, intelligence, Big Five personality, and the prediction of advanced academic and workplace performance.

    Daniel M. Higgins;Jordan B. Peterson;Robert O. Pihl;Alice G. M. Lee

  • Inherited predisposition to alcoholism: Characteristics of sons of male alcoholics.

    Robert O. Pihl;Jordan Peterson;Peter R. Finn

  • REVIEW ARTICLE Serotonin and Alcohol Intake, Abuse, and Dependence: Findings of Animal Studies

    David LeMarquand;Robert O. Pihl;Chawki Benkelfat

Frequent Co-Authors

Richard E. Tremblay
Richard E. Tremblay University of Montreal
Patricia J. Conrod
Patricia J. Conrod University of Montreal
Jordan B. Peterson
Jordan B. Peterson University of Toronto
Sherry H. Stewart
Sherry H. Stewart Dalhousie University
Simon N. Young
Simon N. Young McGill University
Marco Leyton
Marco Leyton McGill University
Chawki Benkelfat
Chawki Benkelfat McGill University
Jean R. Séguin
Jean R. Séguin University of Montreal
Peter R. Finn
Peter R. Finn Indiana University
Alain Dagher
Alain Dagher Montreal Neurological Institute and Hospital

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