World's Best Scientists 2026 revealed!

D-Index & Metrics

Medicine

D-Index
108
Citations
50717
World Ranking
5932
National Ranking
12

Orla Hardiman 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 Orla Hardiman 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: 590 publications — 71st percentile

71% of scientists in this discipline score the same or lower.

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

Orla Hardiman 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 Orla Hardiman 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: 108 D-Index — 71st percentile

71% 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

  • 2015 - Member of the Royal Irish Academy
  • 2009 - Sheila Essey Award for ALS Research, American Academy of Neurology

Overview

Orla Hardiman is affiliated with Trinity College Dublin in Ireland and has a significant body of research focused primarily on amyotrophic lateral sclerosis (ALS) and related neurological disorders. Their scholarly activity spans the fields of medicine, with an emphasis on neurology, genetics, molecular biology, cellular and molecular neuroscience, and physiology.

The main topics of their research include:

  • Amyotrophic Lateral Sclerosis Research
  • Neurogenetic and Muscular Disorders Research
  • Parkinson's Disease Mechanisms and Treatments
  • Genetic Neurodegenerative Diseases
  • Alzheimer's disease research and treatments
  • Neurological diseases and metabolism
  • Advanced Neuroimaging Techniques and Applications

Hardiman has authored and co-authored numerous papers in notable journals and publication venues. Frequent venues for publication include:

  • Amyotrophic Lateral Sclerosis and Frontotemporal Degeneration
  • Neurology
  • Journal of Neurology
  • bioRxiv (Cold Spring Harbor Laboratory)
  • Journal of the Neurological Sciences

Among the recent papers associated with their research efforts are:

  • "A proposal for new diagnostic criteria for ALS," 2020, Clinical Neurophysiology
  • "Emerging insights into the complex genetics and pathophysiology of amyotrophic lateral sclerosis," 2022, The Lancet Neurology
  • "Improving clinical trial outcomes in amyotrophic lateral sclerosis," 2020, Nature Reviews Neurology
  • "Genome-wide identification of the genetic basis of amyotrophic lateral sclerosis," 2022, Neuron
  • "Genome-wide study of DNA methylation shows alterations in metabolic, inflammatory, and cholesterol pathways in ALS," 2022, Science Translational Medicine

The scientist collaborates with a number of frequent co-authors, including:

  • Peter Bede
  • Russell L. McLaughlin
  • Mark Heverin
  • Ammar Al-Chalabi
  • Pamela J. Shaw

Over the course of their career, Orla Hardiman has been recognized with several awards. These include becoming a Member of the Royal Irish Academy in 2015 and receiving the Sheila Essey Award for ALS Research from the American Academy of Neurology in 2009.

Best Publications

  • SeminarAmyotrophic lateral sclerosis

    Matthew C Kiernan;Steve Vucic;Benjamin C Cheah;Martin R Turner

  • EFNS guidelines on the Clinical Management of Amyotrophic Lateral Sclerosis (MALS) : revised report of an EFNS task force

    Peter M. Andersen;Sharon Abrahams;Gian D. Borasio;Mamede de Carvalho

  • Prognostic factors in ALS: A critical review

    Adriano Chiò;Giancarlo Logroscino;Orla Hardiman;Robert Swingler

  • Incidence of amyotrophic lateral sclerosis in Europe

    Giancarlo Logroscino;Bryan J Traynor;Orla Hardiman;Adriano Chiò

  • The epidemiology of ALS: a conspiracy of genes, environment and time

    Ammar Al-Chalabi;Orla Hardiman

  • ANG mutations segregate with familial and 'sporadic' amyotrophic lateral sclerosis

    Matthew J Greenway;Peter M Andersen;Carsten Russ;Sean Ennis

  • The syndrome of cognitive impairment in amyotrophic lateral sclerosis: a population-based study

    Julie Phukan;Marwa Elamin;Peter Bede;Norah Jordan

  • Clinical diagnosis and management of amyotrophic lateral sclerosis

    Orla Hardiman;Leonard H. van den Berg;Matthew C. Kiernan

  • Genome-wide Analyses Identify KIF5A as a Novel ALS Gene.

    Aude Nicolas;Kevin P. Kenna;Alan E. Renton;Alan E. Renton;Nicola Ticozzi

  • Cognitive impairment in amyotrophic lateral sclerosis

    Julie Phukan;Niall P Pender;Orla Hardiman

  • Genome-wide association analyses identify new risk variants and the genetic architecture of amyotrophic lateral sclerosis

    Wouter van Rheenen;Aleksey Shatunov;Annelot M. Dekker;Russell L. McLaughlin

  • Controversies and priorities in amyotrophic lateral sclerosis

    Martin R Turner;Orla Hardiman;Michael Benatar;Benjamin R Brooks

  • Cognitive and clinical characteristics of patients with amyotrophic lateral sclerosis carrying a C9orf72 repeat expansion: a population-based cohort study

    Susan Byrne;Susan Byrne;Marwa Elamin;Marwa Elamin;Peter Bede;Peter Bede;Aleksey Shatunov

  • Effect of a multidisciplinary amyotrophic lateral sclerosis (ALS) clinic on ALS survival: a population based study, 1996–2000

    B J Traynor;M Alexander;B Corr;E Frost

  • Descriptive epidemiology of amyotrophic lateral sclerosis: new evidence and unsolved issues

    G. Logroscino;B. J. Traynor;O. Hardiman;A. Chio

  • Clinical features of amyotrophic lateral sclerosis according to the El Escorial and Airlie House diagnostic criteria: A population-based study.

    Bryan J. Traynor;Mary B. Codd;Bernadette Corr;Colm Forde

  • ALS phenotypes with mutations in CHMP2B (charged multivesicular body protein 2B)

    N. Parkinson;P. G. Ince;M. O. Smith;R. Highley

  • Genome-wide association study identifies 19p13.3 (UNC13A) and 9p21.2 as susceptibility loci for sporadic amyotrophic lateral sclerosis.

    Michael A van Es;Jan H Veldink;Christiaan G J Saris;Hylke M Blauw

  • A revision of the El Escorial criteria - 2015.

    Albert Ludolph;Vivian Drory;Orla Hardiman;Imaharu Nakano

  • Rate of familial amyotrophic lateral sclerosis: a systematic review and meta-analysis.

    Susan Byrne;Cathal Walsh;Catherine Lynch;Peter Bede

Frequent Co-Authors

Peter Bede
Peter Bede Trinity College Dublin
Ammar Al-Chalabi
Ammar Al-Chalabi King's College London
Leonard H. van den Berg
Leonard H. van den Berg Utrecht University
Adriano Chiò
Adriano Chiò University of Turin
Jan H. Veldink
Jan H. Veldink Utrecht University
Pamela J. Shaw
Pamela J. Shaw University of Sheffield
John Landers
John Landers University of Massachusetts Chan Medical School
Bryan J. Traynor
Bryan J. Traynor National Institutes of Health
Karen E. Morrison
Karen E. Morrison University of Southampton
Christopher Shaw
Christopher Shaw King's College London

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