World's Best Scientists 2026 revealed!
Chawki Benkelfat

Chawki Benkelfat

D-Index & Metrics

Medicine

D-Index
74
Citations
19896
World Ranking
19397
National Ranking
825

Chawki Benkelfat 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 Chawki Benkelfat 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: 610 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: 223 publications — 5th percentile

5% of scientists in this discipline score the same or lower.

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

Chawki Benkelfat 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 Chawki Benkelfat 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: 399 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: 74 D-Index — 4th percentile

4% of scientists in this discipline score the same or lower.

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

Overview

Chawki Benkelfat was affiliated with McGill University in Canada and conducted research primarily in the fields of Neuroscience and Medicine. Their work focused on several subfields including Cellular and Molecular Neuroscience, Cognitive Neuroscience, Radiology, Nuclear Medicine and Imaging, Molecular Biology, and Pharmacology.

The main topics Benkelfat addressed in their research covered Neuroscience and Neuropharmacology Research, Neurotransmitter Receptor Influence on Behavior, Receptor Mechanisms and Signaling, Neural and Behavioral Psychology Studies, Memory and Neural Mechanisms, Amino Acid Enzymes and Metabolism, and Stress Responses and Cortisol.

Benikelfat authored several notable papers published between 2020 and 2022. Among these publications were:

  • 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
  • mGlu5 receptor availability in youth at risk for addictions: effects of vulnerability traits and cannabis use, 2020, Neuropsychopharmacology
  • Metabotropic glutamate type 5 receptor binding availability during dextroamphetamine sensitization in mice and humans, 2021, Journal of Psychiatry and Neuroscience
  • Radiosynthesis and In Vivo Evaluation of Four Positron Emission Tomography Tracer Candidates for Imaging of Melatonin Receptors, 2022, ACS Chemical Neuroscience

Frequent co-authors in Benkelfat's research included Marco Leyton, Kelly Smart, Pedro Rosa-Neto, Sylvia M. L. Cox, and Robert O. Pihl.

Publication venues where their work appeared multiple times include Neuropsychopharmacology, The Canadian Journal of Psychiatry, Journal of Psychiatry and Neuroscience, ACS Chemical Neuroscience, and Imaging Neuroscience.

Best Publications

  • Differences between males and females in rates of serotonin synthesis in human brain.

    S. Nishizawa;C. Benkelfat;S. N. Young;M. Leyton

  • Risk Factors for Suicide Completion in Major Depression: A Case-Control Study of Impulsive and Aggressive Behaviors in Men

    Alexandre Dumais;A. D. Lesage;Martin Alda;Guy Rouleau

  • Alcohol promotes dopamine release in the human nucleus accumbens.

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

  • Amphetamine-Induced Increases in Extracellular Dopamine, Drug Wanting, and Novelty Seeking: A PET/[11C]Raclopride Study in Healthy Men

    Marco Leyton;Isabelle Boileau;Isabelle Boileau;Chawki Benkelfat;Chawki Benkelfat;Mirko Diksic

  • Local cerebral glucose metabolic rates in obsessive-compulsive disorder. Patients treated with clomipramine.

    Chawki Benkelfat;Chawki Benkelfat;Thomas E. Nordahl;William E. Semple;A. Catherine King

  • Cerebral glucose metabolic rates in obsessive compulsive disorder

    Thomas E Nordahl;Chawki Benkelfat;William Emes Semple;Michael Gross

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

    David LeMarquand;Robert O. Pihl;Chawki Benkelfat

  • Mood-lowering effect of tryptophan depletion. Enhanced susceptibility in young men at genetic risk for major affective disorders.

    Chawki Benkelfat;Mark A. Ellenbogen;Peggy Dean;Roberta M. Palmour

  • Modeling Sensitization to Stimulants in Humans: An [11C]Raclopride/Positron Emission Tomography Study in Healthy Men

    Isabelle Boileau;Alain Dagher;Marco Leyton;Roger N. Gunn

  • Elevated dopa decarboxylase activity in living brain of patients with psychosis

    J. Reith;C. Benkelfat;A. Sherwin;Y. Yasuhara

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

    David LeMarquand;Robert O. Pihl;Chawki Benkelfat

  • Global brain gene expression analysis links glutamatergic and GABAergic alterations to suicide and major depression.

    Adolfo Sequeira;Firoza Mamdani;Carl Ernst;Marquis P. Vawter

  • A systematic review of association studies investigating genes coding for serotonin receptors and the serotonin transporter: II. Suicidal behavior.

    M Anguelova;C Benkelfat;G Turecki

  • Effect on mood of subthalamic DBS for Parkinson's disease: a consecutive series of 24 patients.

    A Berney;François Vingerhoets;A Perrin;P Guex

  • A systematic review of association studies investigating genes coding for serotonin receptors and the serotonin transporter: I. Affective disorders.

    M Anguelova;C Benkelfat;G Turecki

  • Prediction of level of serotonin 2A receptor binding by serotonin receptor 2A genetic variation in postmortem brain samples from subjects who did or did not commit suicide.

    Gustavo Turecki;Richard Brière;Karen Dewar;Tonino Antonetti

  • Brain Regional α-[11C]Methyl-l-Tryptophan Trapping in Impulsive Subjects With Borderline Personality Disorder

    Marco Leyton;Hidehiko Okazawa;Mirko Diksic;Joel Paris

  • Mood Response to Acute Tryptophan Depletion in Healthy Volunteers: Sex Differences and Temporal Stability

    Mark A. Ellenbogen;Simon N. Young;Peggy Dean;Roberta M. Palmour

  • Predictors of mood response to acute tryptophan depletion: A reanalysis

    Linda Booij;Willem Van der Does;Chawki Benkelfat;J Douglas Bremner

  • Catechol-O-Methyltransferase Val-108/158-Met Gene Variants Associated With Performance on the Wisconsin Card Sorting Test

    Ridha Joober;Julie Gauthier;Samarthji Lal;David Bloom

Frequent Co-Authors

Marco Leyton
Marco Leyton McGill University
Ridha Joober
Ridha Joober Douglas Mental Health University Institute
Simon N. Young
Simon N. Young McGill University
Alain Dagher
Alain Dagher Montreal Neurological Institute and Hospital
Gustavo Turecki
Gustavo Turecki Douglas Mental Health University Institute
Guy A. Rouleau
Guy A. Rouleau Montreal Neurological Institute and Hospital
Linda Booij
Linda Booij Concordia University
Robert O. Pihl
Robert O. Pihl McGill University
Richard E. Tremblay
Richard E. Tremblay University of Montreal
Glen B. Baker
Glen B. Baker University of Alberta

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