World's Best Scientists 2026 revealed!

D-Index & Metrics

Medicine

D-Index
109
Citations
52890
World Ranking
5705
National Ranking
562

K. Ray Chaudhuri 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 K. Ray Chaudhuri 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: 697 publications — 81st percentile

81% of scientists in this discipline score the same or lower.

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

K. Ray Chaudhuri 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 K. Ray Chaudhuri 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: 109 D-Index — 72nd percentile

72% of scientists in this discipline score the same or lower.

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

Overview

K. Ray Chaudhuri is affiliated with King's College London in the United Kingdom and works primarily in the field of Medicine, with a specific focus on Neurology. Their research encompasses several subfields including Epidemiology, Cognitive Neuroscience, Cellular and Molecular Neuroscience, and Psychiatry and Mental Health.

The scientist's main research topics are concentrated in Parkinson's disease and related neurological disorders. These topics include:

  • Parkinson's Disease Mechanisms and Treatments
  • Neurological disorders and treatments
  • Botulinum Toxin and Related Neurological Disorders
  • Restless Legs Syndrome Research
  • Autism Spectrum Disorder Research
  • Genetic Neurodegenerative Diseases
  • Long-Term Effects of COVID-19

Among recent publications, the following are notable examples with their year of release and venues:

  • "Parkinson disease-associated cognitive impairment," 2021, Nature Reviews Disease Primers
  • "Levodopa Dose Equivalency in Parkinson's Disease: Updated Systematic Review and Proposals," 2023, Movement Disorders
  • "The role of gut dysbiosis in Parkinson's disease: mechanistic insights and therapeutic options," 2021, Brain
  • "Outcome of Parkinson's Disease Patients Affected by COVID-19," 2020, Movement Disorders
  • "COVID-19 and possible links with Parkinson's disease and parkinsonism: from bench to bedside," 2020, npj Parkinson's Disease

Frequent publication venues for this researcher include:

  • Parkinsonism & Related Disorders
  • npj Parkinson's Disease
  • Journal of Parkinson's Disease
  • Movement Disorders Clinical Practice
  • Journal of Neural Transmission

K. Ray Chaudhuri has collaborated extensively with several co-authors, with notable frequent collaborators being:

  • Valentina Leta
  • Angelo Antonini
  • Lucia Batzu
  • Alexandra Rizos
  • Karolina Popławska-Domaszewicz

The researcher has contributed to book publications including titles such as:

  • "New insights in non-motor symptoms in Parkinson's disease" (Frontiers Media, 2024)
  • "The Movement Disorders Prescriber's Guide to Parkinson's Disease" (Cambridge University Press, 2025)

Best Publications

  • Non-motor symptoms of Parkinson's disease: diagnosis and management

    K Ray Chaudhuri;Daniel G Healy;Anthony Hv Schapira

  • Non-motor symptoms of Parkinson's disease: dopaminergic pathophysiology and treatment

    K Ray Chaudhuri;Anthony H V Schapira

  • Non-motor features of Parkinson disease.

    Anthony H.V. Schapira;K. Ray Chaudhuri;Peter Jenner

  • International multicenter pilot study of the first comprehensive self-completed nonmotor symptoms questionnaire for Parkinson's disease : The NMSQuest study

    Kallol Ray Chaudhuri;Pablo Martinez-Martin;Anthony H.V. Schapira;Fabrizio Stocchi

  • Parkinson disease-associated cognitive impairment.

    Dag Aarsland;Dag Aarsland;Lucia Batzu;Glenda M Halliday;Gert J Geurtsen

  • The metric properties of a novel non-motor symptoms scale for Parkinson's disease: Results from an international pilot study.

    Kallol Ray Chaudhuri;Pablo Martinez-Martin;Richard G. Brown;Kapil Sethi

  • The impact of non-motor symptoms on health-related quality of life of patients with Parkinson's disease.

    Pablo Martinez-Martin;Carmen Rodriguez-Blazquez;Monica M. Kurtis;K. Ray Chaudhuri;K. Ray Chaudhuri

  • Cognitive decline in Parkinson disease

    Dag Aarsland;Byron Creese;Byron Creese;Marios Politis;K. Ray Chaudhuri

  • The Parkinson’s disease sleep scale: a new instrument for assessing sleep and nocturnal disability in Parkinson’s disease

    K. R. Chaudhuri;S. Pal;A. DiMarco;C. Whately-Smith

  • Update on treatments for nonmotor symptoms of Parkinson's disease—an evidence-based medicine review

    Klaus Seppi;K. Ray Chaudhuri;Miguel Coelho;Susan H. Fox

  • Prevalence of nonmotor symptoms in Parkinson's disease in an international setting; Study using nonmotor symptoms questionnaire in 545 patients

    Pablo Martinez-Martin;Anthony H.V. Schapira;Fabrizio Stocchi;Kapil Sethi

  • Parkinson's Disease Symptoms: The Patient's Perspective

    Marios Politis;Kit Wu;Sophie Molloy;Peter G. Bain

  • Progression of Dysarthria and Dysphagia in Postmortem-Confirmed Parkinsonian Disorders

    Jörg Müller;Gregor K. Wenning;Marc Verny;Ann McKee

  • Parkinson's disease: The non-motor issues

    K. Ray Chaudhuri;Per Odin;Angelo Antonini;Pablo Martinez-Martin

  • Rotigotine effects on early morning motor function and sleep in Parkinson's disease: A double-blind, randomized, placebo-controlled study (RECOVER)

    Claudia Trenkwalder;Bryan Kies;Monika Rudzinska;Jennifer Fine

  • The Nondeclaration of Nonmotor Symptoms of Parkinson's Disease to Health Care Professionals: An International Study Using the Nonmotor Symptoms Questionnaire

    K. Ray Chaudhuri;Cristina Prieto-Jurcynska;Yogini Naidu;Tanya Mitra

  • Natural history of progressive supranuclear palsy (Steele-Richardson-Olszewski syndrome) and clinical predictors of survival: a clinicopathological study.

    I Litvan;C A Mangone;A McKee;M Verny

  • Parkinson's disease sleep scale—validation of the revised version PDSS-2

    Claudia Trenkwalder;Ralf Kohnen;Birgit Högl;Vinod Metta

  • Accuracy of clinical criteria for the diagnosis of progressive supranuclear palsy (Steele-Richardson-Olszewski syndrome)

    I. Litvan;Y. Agid;J. Jankovic;C. Goetz

  • Accuracy of the Clinical Diagnoses of Lewy Body Disease, Parkinson Disease, and Dementia With Lewy Bodies: A Clinicopathologic Study

    I. Litvan;A. Macintyre;C. G. Goetz;G. K. Wenning

Frequent Co-Authors

Pablo Martinez-Martin
Pablo Martinez-Martin Instituto de Salud Carlos III
Angelo Antonini
Angelo Antonini University of Padua
Per Odin
Per Odin Lund University
Daniel Weintraub
Daniel Weintraub University of Pennsylvania
Peter Jenner
Peter Jenner King's College London
Werner Poewe
Werner Poewe Innsbruck Medical University
Claudia Trenkwalder
Claudia Trenkwalder University of Göttingen
Richard Brown
Richard Brown King's College London
Dag Aarsland
Dag Aarsland King's College London
David J. Brooks
David J. Brooks Newcastle University

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