World's Best Scientists 2026 revealed!

D-Index & Metrics

Medicine

D-Index
81
Citations
39498
World Ranking
16384
National Ranking
8242

Ziad Nahas 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 Ziad Nahas 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: 219 publications — 4th percentile

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

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

Ziad Nahas 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 Ziad Nahas 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: 81 D-Index — 19th percentile

19% of scientists in this discipline score the same or lower.

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

Overview

Ziad Nahas is affiliated with the University of Minnesota in the United States. Their research focuses broadly on neuroscience and medicine, with significant contributions in neurology, cognitive neuroscience, psychiatry and mental health, cardiology and cardiovascular medicine, and pharmacology.

The scientist's work covers various research topics including:

  • Transcranial Magnetic Stimulation Studies
  • Functional Brain Connectivity Studies
  • Neurological disorders and treatments
  • Vagus Nerve Stimulation Research
  • Treatment of Major Depression
  • Pain Management and Treatment
  • Electroconvulsive Therapy Studies

Ziad Nahas has published extensively in several scientific venues, primarily in:

  • Brain Stimulation
  • Biological Psychiatry
  • Journal of Affective Disorders
  • Journal of ECT
  • bioRxiv (Cold Spring Harbor Laboratory)

Recent publications include:

  • DLPFC stimulation alters working memory related activations and performance: An interleaved TMS-fMRI study, 2022, Brain Stimulation
  • Decreased interhemispheric connectivity and increased cortical excitability in unmedicated schizophrenia: A prefrontal interleaved TMS fMRI study, 2020, Brain Stimulation
  • Vagus nerve stimulation in treatment-resistant depression: A one-year, randomized, sham-controlled trial, 2024, Brain Stimulation
  • A closer look at patterns and characteristics of suicide in Lebanon: A first nationwide report of cases from 2008 to 2018, 2021, Asian Journal of Psychiatry
  • Real-time TMS-EEG for brain state-controlled research and precision treatment: a narrative review and guide, 2024, Journal of Neural Engineering

The body of work features collaborations with other researchers, with frequent coauthors including:

  • Alik S. Widge (17 joint works)
  • C. Sophia Albott (11 joint works)
  • Saydra Wilson (10 joint works)
  • Christi Sullivan (9 joint works)
  • Alexander Herman (9 joint works)

Best Publications

  • Global, regional, and national comparative risk assessment of 79 behavioural, environmental and occupational, and metabolic risks or clusters of risks in 188 countries, 1990-2013: A systematic analysis for the Global Burden of Disease Study 2013

    Mohammad H Forouzanfar;Lily Alexander;H Ross Anderson;Victoria F Bachman

  • Global, regional, and national incidence, prevalence, and years lived with disability for 301 acute and chronic diseases and injuries in 188 countries, 1990-2013: a systematic analysis for the Global Burden of Disease Study 2013

    Theo Vos;Ryan M. Barber;Brad Bell;Amelia Bertozzi-Villa

  • Global, regional, and national comparative risk assessment of 79 behavioural, environmental and occupational, and metabolic risks or clusters of risks in 188 countries, 1990-2013

    Mohammad H. Forouzanfar;Lily Alexander;H. Ross Anderson;Victoria F. Bachman

  • Efficacy and safety of transcranial magnetic stimulation in the acute treatment of major depression: A multisite randomized controlled trial.

    John P. O’Reardon;H. Brent Solvason;Philip G. Janicak;Shirlene Sampson

  • Daily left prefrontal transcranial magnetic stimulation therapy for major depressive disorder: a sham-controlled randomized trial

    Mark S. George;Sarah H. Lisanby;David Avery;William M. McDonald

  • Vagus nerve stimulation (VNS) for treatment-resistant depressions: a multicenter study.

    A. John Rush;Mark S. George;Mark S. George;Harold A. Sackeim;Lauren B. Marangell

  • Vagus nerve stimulation (VNS™) for treatment-resistant depression: Efficacy, side effects, and predictors of outcome

    Harold A. Sackeim;A. John Rush;Mark S. George;Mark S. George;Lauren B. Marangell

  • Vagus nerve stimulation: a new tool for brain research and therapy∗

    Mark S. George;Mark S. George;Harold A. Sackeim;A.John Rush;Lauren B. Marangell

  • A controlled trial of daily left prefrontal cortex TMS for treating depression

    Mark S. George;Ziad Nahas;Ziad Nahas;Monica Molloy;Andrew M. Speer

  • Activation of Prefrontal Cortex and Anterior Thalamus in Alcoholic Subjects on Exposure to Alcohol-Specific Cues

    Mark S. George;Raymond F. Anton;Courtnay Bloomer;Charlotte Teneback

  • Two-Year Outcome of Vagus Nerve Stimulation (VNS) for Treatment of Major Depressive Episodes

    Ziad Nahas;Lauren B. Marangell;Mustafa M. Husain;A. John Rush

  • Functional Impairment in COPD Patients: The Impact of Anxiety and Depression

    H. Florence Seung Kim;Mark E. Kunik;Victor A. Molinari;Stephany L. Hillman

  • A combined TMS/fMRI study of intensity-dependent TMS over motor cortex.

    Daryl E. Bohning;Ananda Shastri;Kathleen A. McConnell;Ziad Nahas

  • How Coil–Cortex Distance Relates to Age, Motor Threshold, and Antidepressant Response to Repetitive Transcranial Magnetic Stimulation

    F. A. Kozel;Z. Nahas;C. DeBrux;M. Molloy

  • Vagus nerve stimulation (VNS) for major depressive episodes: One year outcomes

    Lauren B Marangell;A.John Rush;Mark S George;Harold A Sackeim

  • The transcranial magnetic stimulation motor threshold depends on the distance from coil to underlying cortex: a replication in healthy adults comparing two methods of assessing the distance to cortex

    Kathleen A McConnell;Ziad Nahas;Ananda Shastri;Jeffrey P Lorberbaum

  • Adaptation and initial validation of the Patient Health Questionnaire – 9 (PHQ-9) and the Generalized Anxiety Disorder – 7 Questionnaire (GAD-7) in an Arabic speaking Lebanese psychiatric outpatient sample

    Helen Sawaya;Mia Atoui;Aya Hamadeh;Pia Zeinoun

  • Motor Threshold in Transcranial Magnetic Stimulation: A Comparison of a Neurophysiological Method and a Visualization of Movement Method

    Saxby Pridmore;J. Americo Fernandes Filho;Ziad Nahas;Chris Liberatos

  • Changes in Prefrontal Cortex and Paralimbic Activity in Depression Following Two Weeks of Daily Left Prefrontal TMS

    Charlotte C. Teneback;Ziad Nahas;Andrew M. Speer;Monica Molloy

  • Daily Left Prefrontal Transcranial Magnetic Stimulation Therapy for Major Depressive Disorder

    Mark S. George;Sarah H. Lisanby;David Avery;William M. McDonald

Frequent Co-Authors

Mark S. George
Mark S. George Medical University of South Carolina
Daryl E. Bohning
Daryl E. Bohning Medical University of South Carolina
Xingbao Li
Xingbao Li Medical University of South Carolina
Jeffrey J. Borckardt
Jeffrey J. Borckardt Medical University of South Carolina
Harold A. Sackeim
Harold A. Sackeim Columbia University
Sarah H. Lisanby
Sarah H. Lisanby Arizona State University
Paul E. Holtzheimer
Paul E. Holtzheimer Dartmouth College
Scott Reeves
Scott Reeves St George's, University of London
Alan D. Lopez
Alan D. Lopez University of Melbourne
Maziar Moradi-Lakeh
Maziar Moradi-Lakeh Iran University of Medical Sciences

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