World's Best Scientists 2026 revealed!
Joseph H. Friedman

Joseph H. Friedman

D-Index & Metrics

Medicine

D-Index
94
Citations
36675
World Ranking
10397
National Ranking
5353

Joseph H. Friedman 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 Joseph H. Friedman 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: 671 publications — 78th percentile

78% of scientists in this discipline score the same or lower.

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

Joseph H. Friedman 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 Joseph H. Friedman 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: 94 D-Index — 49th percentile

49% of scientists in this discipline score the same or lower.

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

Overview

Joseph H. Friedman is affiliated with Brown University in the United States and has contributed extensively to the field of Medicine, with a particular focus on Neurology and Psychiatry and Mental Health. Their research portfolio includes over 100 publications, with significant work addressing neurological disorders, especially Parkinson's disease and related movement disorders.

The main fields of study covered in their work include:

  • Medicine

The subfields of study further specify areas such as:

  • Neurology
  • Psychiatry and Mental health
  • Cellular and Molecular Neuroscience
  • Epidemiology
  • Cognitive Neuroscience

Their research topics emphasize neurological conditions and treatments alongside psychiatric components, including:

  • Parkinson's Disease Mechanisms and Treatments
  • Neurological disorders and treatments
  • Schizophrenia research and treatment
  • Genetic Neurodegenerative Diseases
  • Neurological and metabolic disorders
  • Autism Spectrum Disorder Research
  • Botulinum Toxin and Related Neurological Disorders

Joseph H. Friedman has published in several journals, with frequent contributions to:

  • Parkinsonism & Related Disorders
  • Clinical Neuropharmacology
  • Movement Disorders Clinical Practice
  • Clinical Parkinsonism & Related Disorders
  • Parkinson s Disease

Key co-authors who have frequently collaborated with Friedman include:

  • Umer Akbar
  • Robert A. Hauser
  • Duk Soo Kim
  • Stanley N. Caroff
  • William G. Ondo

Recent notable publications include:

  • "Effect of Urate-Elevating Inosine on Early Parkinson Disease Progression", 2021, JAMA
  • "Toward allele-specific targeting therapy and pharmacodynamic marker for spinocerebellar ataxia type 3", 2020, Science Translational Medicine
  • "Movement disorders induced by psychiatric drugs that do not block dopamine receptors", 2020, Parkinsonism & Related Disorders
  • "Recovery incentives program: California's contingency management benefit", 2023, Preventive Medicine
  • "Immediate-release/extended-release amantadine (OS320) to treat Parkinson's disease with levodopa-induced dyskinesia: Analysis of the randomized, controlled ALLAY-LID studies", 2022, Parkinsonism & Related Disorders

Best Publications

  • Movement Disorder Society-sponsored revision of the Unified Parkinson's Disease Rating Scale (MDS-UPDRS): scale presentation and clinimetric testing results.

    Christopher G. Goetz;Barbara C. Tilley;Stephanie R. Shaftman;Glenn T. Stebbins

  • Effects of tocopherol and deprenyl on the progression of disability in early Parkinson's disease

    W. Koller;C. W. Olanow;R. Rodnitzky;J. S. Fink

  • Validity and reliability of a rating scale for the primary torsion dystonias

    R. E. Burke;S. Fahn;C. D. Marsden;S. B. Bressman

  • Effect of deprenyl on the progression of disability in early Parkinson's disease

    I. Shoulson;S. Fahn;D. Oakes;C. Odoroff

  • Mental stress and the induction of silent myocardial ischemia in patients with coronary artery disease.

    A Rozanski;C N Bairey;D S Krantz;J Friedman

  • Diagnostic criteria for psychosis in Parkinson's disease: Report of an NINDS, NIMH work group

    Bernard Ravina;Karen Marder;Hubert H. Fernandez;Joseph H. Friedman

  • Fatigue in Parkinson's disease: a review.

    Joseph H. Friedman;Richard G. Brown;Cynthia Comella;Carol E. Garber

  • Speech production, syntax comprehension, and cognitive deficits in Parkinson's disease.

    Philip Lieberman;Edward Kako;Edward Kako;Joseph Friedman;Joseph Friedman;Gary Tajchman;Gary Tajchman

  • Efficacy of pramipexole, a novel dopamine agonist, as monotherapy in mild to moderate Parkinson's disease

    Shannon Km;Bennett Jp;Friedman Jh

  • A Randomized Clinical Trial of High-Dosage Coenzyme Q10 in Early Parkinson Disease: No Evidence of Benefit

    M Flint Beal;David Oakes;Ira Shoulson

  • Fatigue in Parkinson's disease

    J. Friedman;H. Friedman

  • Orienting of visual attention in progressive supranuclear palsy.

    Robert D. Rafal;Michael I. Posner;Joseph H. Friedman;Albrecht W. Inhoff

  • Pimavanserin, a serotonin(2A) receptor inverse agonist, for the treatment of parkinson's disease psychosis.

    Herbert Y Meltzer;Roger Mills;Stephen Revell;Hilde Williams

  • Effects of fatigue on physical activity and function in patients with Parkinson's disease.

    Carol Ewing Garber;Joseph H. Friedman

  • Fatigue Rating Scales Critique and Recommendations by the Movement Disorders Society Task Force on Rating Scales for Parkinson's Disease

    Joseph H. Friedman;Joseph H. Friedman;Guido Alves;Peter Hagell;Johan Marinus

  • Atypical antipsychotics in the treatment of drug-induced psychosis in Parkinson's disease

    Joseph H. Friedman;Stewart A. Factor

  • Cognitive performance of GBA mutation carriers with early-onset PD The CORE-PD study

    R. N. Alcalay;E. Caccappolo;H. Mejia-Santana;M. X. Tang

  • A randomized, double masked, controlled trial of botulinum toxin type A in essential hand tremor

    M. F. Brin;K. E. Lyons;J. Doucette;C. H. Adler

  • Heterozygosity for a mutation in the parkin gene leads to later onset Parkinson disease

    Tatiana Foroud;S. K. Uniacke;L. Liu;Nathan D Pankratz

  • Neuropsychiatric symptoms in Parkinson's disease

    Joseph Friedman

Frequent Co-Authors

Hubert H. Fernandez
Hubert H. Fernandez Cleveland Clinic
Laura Marsh
Laura Marsh Baylor College of Medicine
Danna Jennings
Danna Jennings Denali Therapeutics (United States)
Karen Marder
Karen Marder Columbia University
Stanley Fahn
Stanley Fahn Columbia University
Martha Nance
Martha Nance Park Nicollet Health Services
William K. Scott
William K. Scott University of Miami
Elan D. Louis
Elan D. Louis The University of Texas Southwestern Medical Center
Janet Grace
Janet Grace Brown University
Steven J. Frucht
Steven J. Frucht New York University

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