World's Best Scientists 2026 revealed!

D-Index & Metrics

Neuroscience

D-Index
57
Citations
9274
World Ranking
4414
National Ranking
1998

Sean O'Connor publication distribution in Neuroscience in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Neuroscience in 2026. The highlighted bar marks where Sean O'Connor sits on this spectrum.

38–47 publications: 18 scientists 48–57 publications: 79 scientists 58–67 publications: 193 scientists 68–77 publications: 323 scientists 78–87 publications: 406 scientists 88–97 publications: 452 scientists 98–107 publications: 539 scientists 108–117 publications: 505 scientists 118–127 publications: 522 scientists 128–137 publications: 469 scientists 138–147 publications: 456 scientists 148–157 publications: 459 scientists 158–167 publications: 397 scientists 168–177 publications: 383 scientists 178–187 publications: 350 scientists 188–197 publications: 302 scientists 198–207 publications: 306 scientists 208–217 publications: 262 scientists 218–227 publications: 242 scientists 228–237 publications: 220 scientists 238–247 publications: 203 scientists 248–257 publications: 174 scientists 258–267 publications: 176 scientists 268–277 publications: 175 scientists 278–287 publications: 125 scientists 288–297 publications: 116 scientists 298–307 publications: 127 scientists 308–317 publications: 128 scientists 318–327 publications: 99 scientists 328–337 publications: 89 scientists 338–347 publications: 78 scientists 348–357 publications: 96 scientists 358–367 publications: 66 scientists 368–377 publications: 59 scientists 378–387 publications: 65 scientists 388–397 publications: 54 scientists 398–407 publications: 48 scientists 408–417 publications: 49 scientists 418–427 publications: 34 scientists 428–437 publications: 31 scientists 438–447 publications: 30 scientists 448–457 publications: 31 scientists 458–467 publications: 36 scientists 468–477 publications: 40 scientists 478–487 publications: 35 scientists 488–497 publications: 30 scientists 498–507 publications: 23 scientists 508–517 publications: 26 scientists 518–527 publications: 20 scientists 528–537 publications: 23 scientists 538–547 publications: 20 scientists 548–557 publications: 20 scientists 558–567 publications: 17 scientists 568–577 publications: 14 scientists 578–587 publications: 20 scientists 588–597 publications: 20 scientists 598–607 publications: 19 scientists 608–617 publications: 18 scientists 618–627 publications: 17 scientists 628–637 publications: 11 scientists 638–647 publications: 11 scientists 648–657 publications: 11 scientists 658–667 publications: 8 scientists 668–677 publications: 7 scientists 678–687 publications: 11 scientists 688–697 publications: 10 scientists 698–707 publications: 4 scientists 708–717 publications: 6 scientists 718–727 publications: 5 scientists 728–737 publications: 5 scientists 738–747 publications: 9 scientists 748–757 publications: 9 scientists 758–767 publications: 3 scientists 768–777 publications: 7 scientists 778–787 publications: 7 scientists 788–797 publications: 6 scientists 798–807 publications: 2 scientists 808–817 publications: 2 scientists 818–827 publications: 7 scientists 828–837 publications: 0 scientists 838–847 publications: 9 scientists 848–857 publications: 3 scientists 858–867 publications: 1 scientists 868–877 publications: 3 scientists 878–886 publications: 6 scientists 887+ publications: 100 scientists
38 publications 887+

This scientist: 125 publications — 31st percentile

31% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 887 publications or more.

Sean O'Connor D-index placement in Neuroscience in 2026

The chart shows the D-index (discipline H-index) distribution of Neuroscience scientists ranked by Research.com in 2026. The highlighted bar marks where Sean O'Connor sits on this spectrum.

30–31 D-Index: 42 scientists 32–33 D-Index: 172 scientists 34–35 D-Index: 296 scientists 36–37 D-Index: 435 scientists 38–39 D-Index: 459 scientists 40–41 D-Index: 456 scientists 42–43 D-Index: 467 scientists 44–45 D-Index: 478 scientists 46–47 D-Index: 512 scientists 48–49 D-Index: 435 scientists 50–51 D-Index: 425 scientists 52–53 D-Index: 418 scientists 54–55 D-Index: 392 scientists 56–57 D-Index: 357 scientists 58–59 D-Index: 334 scientists 60–61 D-Index: 328 scientists 62–63 D-Index: 260 scientists 64–65 D-Index: 278 scientists 66–67 D-Index: 239 scientists 68–69 D-Index: 250 scientists 70–71 D-Index: 210 scientists 72–73 D-Index: 200 scientists 74–75 D-Index: 189 scientists 76–77 D-Index: 170 scientists 78–79 D-Index: 146 scientists 80–81 D-Index: 113 scientists 82–83 D-Index: 126 scientists 84–85 D-Index: 100 scientists 86–87 D-Index: 84 scientists 88–89 D-Index: 99 scientists 90–91 D-Index: 84 scientists 92–93 D-Index: 85 scientists 94–95 D-Index: 72 scientists 96–97 D-Index: 76 scientists 98–99 D-Index: 45 scientists 100–101 D-Index: 49 scientists 102–103 D-Index: 43 scientists 104–105 D-Index: 32 scientists 106–107 D-Index: 45 scientists 108–109 D-Index: 50 scientists 110–111 D-Index: 32 scientists 112–113 D-Index: 39 scientists 114–115 D-Index: 32 scientists 116–117 D-Index: 29 scientists 118–119 D-Index: 27 scientists 120–121 D-Index: 19 scientists 122–123 D-Index: 23 scientists 124–125 D-Index: 27 scientists 126–127 D-Index: 16 scientists 128–129 D-Index: 24 scientists 130–131 D-Index: 13 scientists 132–133 D-Index: 21 scientists 134–135 D-Index: 17 scientists 136–137 D-Index: 14 scientists 138–139 D-Index: 15 scientists 140–141 D-Index: 10 scientists 142–143 D-Index: 10 scientists 144–145 D-Index: 13 scientists 146–147 D-Index: 9 scientists 148–149 D-Index: 8 scientists 150–151 D-Index: 6 scientists 152–153 D-Index: 6 scientists 154–155 D-Index: 7 scientists 156–157 D-Index: 7 scientists 158–159 D-Index: 10 scientists 160–161 D-Index: 4 scientists 162 D-Index: 8 scientists 163+ D-Index: 100 scientists
30 D-Index 163+

This scientist: 57 D-Index — 56th percentile

56% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 163 D-Index or more.

Overview

Sean O'Connor is affiliated with Indiana University in the United States. Their research primarily focuses on the intersections of medicine, neuroscience, and psychology, with a particular emphasis on substance abuse and alcohol-related health effects.

The scientist has contributed extensively to several subfields, including epidemiology, cellular and molecular neuroscience, pathology and forensic medicine, applied psychology, and clinical psychology.

O'Connor's recent publications include the following papers:

  • Multivariate analysis of 1.5 million people identifies genetic associations with traits related to self-regulation and addiction, 2021, published in Nature Neuroscience
  • Subjective Responses to Alcohol in the Development and Maintenance of Alcohol Use Disorder, 2021, published in American Journal of Psychiatry
  • To Infuse or Ingest in Human Laboratory Alcohol Research, 2020, published in Alcoholism Clinical and Experimental Research
  • Effects of moderate alcohol levels on default mode network connectivity in heavy drinkers, 2021, published in Alcoholism Clinical and Experimental Research
  • High Polygenic Risk Scores Are Associated With Early Age of Onset of Alcohol Use Disorder in Adolescents and Young Adults at Risk, 2021, published in Biological Psychiatry Global Open Science

The main topics covered in their work include substance abuse treatment and outcomes, neurotransmitter receptor influence on behavior, alcohol consumption and health effects, coaching methods and impact, genetic associations and epidemiology, functional brain connectivity studies, and behavioral health and interventions.

Frequent collaborators in their research are Martin H. Plawecki, Danielle M. Dick, Ann Kosobud, Vijay A. Ramchandani, and Bernice Porjesz. These partnerships highlight a collaborative approach across multiple studies and projects.

Sean O'Connor's research outputs have appeared in various journals, with notable frequent publication venues including Alcohol Clinical and Experimental Research, Alcoholism Clinical and Experimental Research, Cureus, Nature Neuroscience, and Translational Psychiatry.

Best Publications

  • Variations in GABRA2, Encoding the α2 Subunit of the GABAA Receptor, Are Associated with Alcohol Dependence and with Brain Oscillations

    Howard J. Edenberg;Danielle M. Dick;Xiaoling Xuei;Huijun Tian

  • Beta power in the EEG of alcoholics.

    Madhavi Rangaswamy;Bernice Porjesz;David B Chorlian;Kongming Wang

  • Linkage disequilibrium between the beta frequency of the human EEG and a GABAA receptor gene locus.

    Bernice Porjesz;Laura Almasy;Howard J. Edenberg;Kongming Wang

  • A Family Study of Alcohol Dependence Coaggregation of Multiple Disorders in Relatives of Alcohol-Dependent Probands

    John I. Nurnberger;Ryan Wiegand;Kathleen Bucholz;Sean O’Connor

  • Gender differences in alcohol metabolism: Relationship to liver volume and effect of adjusting for body mass

    Paul Y. Kwo;Vijay A. Ramchandani;Sean O'Connor;Deborah Amann

  • Clamping Breath Alcohol Concentration Reduces Experimental Variance: Application to the Study of Acute Tolerance to Alcohol and Alcohol Elimination Rate

    S. O'Connor;S. Morzorati;J. Christian;T.‐K. Li

  • Quantitative trait loci analysis of human event-related brain potentials: P3 voltage

    H. Begleiter;B. Porjesz;T. Reich;Howard Edenberg

  • Frontal P300 decrements in antisocial personality disorder.

    Lance O. Bauer;Sean O'Connor;Victor M. Hesselbrock

  • Frontal P300 decrements, alcohol dependence, and antisocial personality disorder

    Laura Costa;Lance Bauer;Samuel Kuperman;Bernice Porjesz

  • P300 topography of amplitude/latency correlations

    John Polich;Joel E. Alexander;Lance O. Bauer;Samuel Kuperman

  • Heritable features of the auditory oddball event-related potential: peaks, latencies, morphology and topography.

    Sean O'Connor;Sandra L. Morzorati;Joe C. Christian;Ting-Kai Li

  • Resting EEG in offspring of male alcoholics: beta frequencies

    Madhavi Rangaswamy;Bernice Porjesz;David B Chorlian;Kongming Wang

  • Alcohol dehydrogenase polymorphisms influence alcohol-elimination rates in a male Jewish population.

    Yehuda D Neumark;Yechiel Friedlander;Ronen Durst;Eran Leitersdorf

  • Linkage and linkage disequilibrium mapping of ERP and EEG phenotypes

    Bernice Porjesz;Henri Begleiter;Kongming Wang;Laura Almasy

  • Alcohol-related olfactory cues activate the nucleus accumbens and ventral tegmental area in high-risk drinkers: preliminary findings.

    David A. Kareken;Eric D. Claus;Merav Sabri;Mario Dzemidzic

  • Linkage and linkage disequilibrium of evoked EEG oscillations with CHRM2 receptor gene polymorphisms: implications for human brain dynamics and cognition.

    Kevin A. Jones;Bernice Porjesz;Laura Almasy;Laura Bierut

  • Amplitude of visual P3 event-related potential as a phenotypic marker for a predisposition to alcoholism : Preliminary results from the COGA project

    B. Porjesz;H. Begleiter;T. Reich;P. Van Eerdewegh

  • A Prospective 5-Year Re-examination of Alcohol Response in Heavy Drinkers Progressing in Alcohol Use Disorder

    Andrea C. King;Deborah Hasin;Sean J. O’Connor;Patrick J. McNamara

  • The P300 brain potential is reduced in smokers.

    Andrey Anokhin;A. B. Vedeniapin;E. J. Sirevaag;L. O. Bauer

  • P300 Event-Related Potential Amplitude as an Endophenotype of Alcoholism – Evidence from the Collaborative Study on the Genetics of Alcoholism

    Victor Hesselbrock;Henri Begleiter;Bernice Porjesz;Sean O'Connor

  • P3 amplitudes in two distinct tasks are decreased in young men with a history of paternal alcoholism

    S. O'Connor;V. Hesselbrock;A. Tasman;N. DePalma

  • Amplitude of visual P3 event-related potential as a phenotypic marker for a predisposition to alcoholism: preliminary results from the COGA Project. Collaborative Study on the Genetics of Alcoholism.

    Porjesz B;Begleiter H;Reich T;Van Eerdewegh P

Frequent Co-Authors

Bernice Porjesz
Bernice Porjesz SUNY Downstate Medical Center
Henri Begleiter
Henri Begleiter SUNY Downstate Medical Center
Lance O. Bauer
Lance O. Bauer University of Connecticut
Samuel Kuperman
Samuel Kuperman University of Iowa
John W. Rohrbaugh
John W. Rohrbaugh Washington University in St. Louis
Ting-Kai Li
Ting-Kai Li Duke University
Theodore Reich
Theodore Reich Washington University in St. Louis
Howard J. Edenberg
Howard J. Edenberg Indiana University
John P. Rice
John P. Rice Washington University in St. Louis
Laura Almasy
Laura Almasy University of Pennsylvania

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