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Neuroscience

D-Index
56
Citations
9779
World Ranking
4568
National Ranking
2063

James R. Roppolo 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 James R. Roppolo 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: 193 publications — 60th percentile

60% of scientists in this discipline score the same or lower.

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

James R. Roppolo 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 James R. Roppolo 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: 56 D-Index — 54th percentile

54% of scientists in this discipline score the same or lower.

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

Overview

James R. Roppolo is affiliated with the University of Pittsburgh in the United States. Their research primarily revolves around medical fields, with a strong focus on urology and related subfields.

Their scholarly output includes studies published in a variety of scientific journals. Recent papers by Roppolo cover topics related to urinary and nervous system function, reflecting ongoing investigations in neuromodulation and bladder control mechanisms.

  • Restoring both continence and micturition after chronic spinal cord injury by pudendal neuromodulation, 2021, Experimental Neurology
  • Prolonged nonobstructive urinary retention induced by tibial nerve stimulation in cats, 2020, American Journal of Physiology-Regulatory, Integrative and Comparative Physiology
  • Thermal block of mammalian unmyelinated C fibers by local cooling to 15-25°C after a brief heating at 45°C, 2020, Journal of Neurophysiology
  • Additive Inhibition of Reflex Bladder Activity Induced by Bilateral Pudendal Neuromodulation in Cats, 2020, Frontiers in Neuroscience

Frequent coauthors throughout these works include William C. de Groat, Changfeng Tai, Jicheng Wang, Katherine Shapiro, and Bing Shen, indicating collaboration patterns in neurology and urology research domains.

Their publications appear in a range of venues, with multiple articles in these journals:

  • Experimental Neurology
  • American Journal of Physiology-Regulatory, Integrative and Comparative Physiology
  • Journal of Neurophysiology
  • Frontiers in Neuroscience

Roppolo's research spans several medical subfields such as:

  • Urology
  • Rheumatology
  • Pathology and Forensic Medicine
  • Surgery
  • Epidemiology

The main topics addressed in their work include:

  • Urinary Bladder and Prostate Research
  • Pelvic floor disorders treatments
  • Spinal Cord Injury Research
  • Nerve Injury and Rehabilitation
  • Urinary Tract Infections Management
  • Neuroscience and Neural Engineering
  • Infrared Thermography in Medicine

Best Publications

  • Mechanisms underlying the recovery of urinary bladder function following spinal cord injury

    W.C. de Groat;M. Kawatani;T. Hisamitsu;C.-L. Cheng

  • Developmental and injury induced plasticity in the micturition reflex pathway

    William C de Groat;Isao Araki;Margaret A Vizzard;Mitsuharu Yoshiyama

  • Feline interstitial cystitis results in mechanical hypersensitivity and altered ATP release from bladder urothelium.

    Unknown

  • Neural Control of Urethral Outlet Activity in Vivo: Role of Nitric Oxide

    B.C. Bennett;M.N. Kruse;J.R. Roppolo;H.D. Flood

  • Alterations in P2X and P2Y purinergic receptor expression in urinary bladder from normal cats and cats with interstitial cystitis.

    L. A. Birder;H. Z. Ruan;B. Chopra;Z. Xiang

  • Transneuronal labeling of neurons in the adult rat brainstem and spinal cord after injection of pseudorabies virus into the urethra

    M A Vizzard;V L Erickson;J P Card;J R Roppolo

  • Pontine control of the urinary bladder and external urethral sphincter in the rat.

    M.N. Kruse;H. Noto;J.R. Roppolo;W.C. de Groat

  • Excitatory and inhibitory influences on bladder activity elicited by electrical stimulation in the pontine micturition center in the rat.

    H. Noto;J.R. Roppolo;W.D. Steers;W.C. de Groat

  • Pharmacological modulation of the pontine micturition center.

    B.S. Mallory;J.R. Roppolo;W.C. de Groat

  • The organization of pudendal motoneurons and primary afferent projections in the spinal cord of the rhesus monkey revealed by horseradish peroxidase

    J. R. Roppolo;I. Nadelhaft;I. Nadelhaft;W. C. De Groat

  • Parasympathetic preganglionic neurons and visceral primary afferents in monkey sacral spinal cord revealed following application of horseradish peroxidase to pelvic nerve.

    I. Nadelhaft;I. Nadelhaft;J. Roppolo;C. Morgan;W. C. de Groat

  • Parasympathetic preganglionic neurons in the sacral spinal cord

    W.C. de Groat;A.M. Booth;R.J. Milne;J.R. Roppolo

  • Simulation analysis of conduction block in unmyelinated axons induced by high-frequency biphasic electrical currents

    Changfeng Tai;W.C. de Groat;J.R. Roppolo

  • The role of neuropeptides in the sacral autonomic reflex pathways of the cat.

    W.C. de Groat;M. Kawatani;T. Hisamitsu;I. Lowe

  • Electrophysiological analysis of the ascending and descending components of the micturition reflex pathway in the rat

    H. Noto;J.R. Roppolo;W.D. Steers;W.C. de Groat

  • Mechanism of Nerve Conduction Block Induced by High-Frequency Biphasic Electrical Currents

    Xu Zhang;J.R. Roppolo;W.C. de Groat;Changfeng Tai

  • Block of external urethral sphincter contraction by high frequency electrical stimulation of pudendal nerve.

    Changfeng Tai;James R. Roppolo;William C. de Groat

  • Differential localization of neuronal nitric oxide synthase immunoreactivity and NADPH-diaphorase activity in the cat spinal cord.

    M. A. Vizzard;S. L. Erdman;J. R. Roppolo;U. Förstermann

  • Cortical information processing of stimulus motion on primate skin.

    Unknown

  • Alteration by urethane of glutamatergic control of micturition.

    M Yoshiyama;J R Roppolo;W C De Groat

  • Localization of NADPH diaphorase in the lumbosacral spinal cord and dorsal root ganglia of the cat.

    Margaret A. Vizzard;Susan L. Erdman;Vickie L. Erickson;Robert J. Stewart

  • Simulation of nerve block by high-frequency sinusoidal electrical current based on the Hodgkin-Huxley model

    Changfeng Tai;W.C. de Groat;J.R. Roppolo

  • Bladder inhibition or voiding induced by pudendal nerve stimulation in chronic spinal cord injured cats.

    Changfeng Tai;Jicheng Wang;Xianchun Wang;William C. de Groat

  • Spinal reflex control of micturition after spinal cord injury

    Changfeng Tai;James R Roppolo;William C de Groat

Frequent Co-Authors

Gerald F. Gebhart
Gerald F. Gebhart University of Pittsburgh
J. Patrick Card
J. Patrick Card University of Pittsburgh

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