World's Best Scientists 2026 revealed!
Roger P. Croll

Roger P. Croll

D-Index & Metrics

Neuroscience

D-Index
48
Citations
6095
World Ranking
6278
National Ranking
364

Roger P. Croll 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 Roger P. Croll 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: 151 publications — 43rd percentile

43% of scientists in this discipline score the same or lower.

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

Roger P. Croll 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 Roger P. Croll 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: 48 D-Index — 37th percentile

37% of scientists in this discipline score the same or lower.

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

Overview

Roger P. Croll is affiliated with Dalhousie University in Canada and has contributed to research primarily in the fields of Biochemistry, Genetics and Molecular Biology, as well as Immunology and Microbiology. Their work spans several related subfields, including Cell Biology, Parasitology, Ecology, Cellular and Molecular Neuroscience, and Social Psychology.

The scientist's research topics cover a range of biological and biomedical themes. These include:

  • Zebrafish Biomedical Research Applications
  • Parasites and Host Interactions
  • Parasite Biology and Host Interactions
  • Neuroendocrine regulation and behavior
  • Neurobiology and Insect Physiology Research
  • CRISPR and Genetic Engineering
  • Parkinson's Disease Mechanisms and Treatments

Roger P. Croll has published in various journals, with frequent publications in the following venues:

  • The Journal of Comparative Neurology
  • Frontiers in Pharmacology
  • Frontiers in Physiology
  • Experimental Parasitology
  • Journal of Cystic Fibrosis

Notable recent papers include:

  • "A Critical Review of Zebrafish Models of Parkinson's Disease," 2022, Frontiers in Pharmacology
  • "Biochemical and apoptotic changes in the nervous and ovotestis tissues of Biomphalaria alexandrina following infection with Schistosoma mansoni," 2020, Experimental Parasitology
  • "Drivers of Sinoatrial Node Automaticity in Zebrafish: Comparison With Mechanisms of Mammalian Pacemaker Function," 2022, Frontiers in Physiology
  • "Disrupted local innervation results in less VIP expression in CF mice tissues," 2020, Journal of Cystic Fibrosis
  • "The glomerular network of the zebrafish olfactory bulb," 2021, Cell and Tissue Research

Croll has collaborated frequently with several researchers, including:

  • Mohamed R. Habib
  • Mark W. Miller
  • Jillian M. Doyle
  • Solymar Rolón-Martínez
  • Tamer Mansour

Best Publications

  • Effects of sex steroids on gonadal development and gender determination in the sea scallop, Placopecten magellanicus

    Chunde Wang;Roger P. Croll

  • Olfactory conditioning in the zebrafish (Danio rerio).

    Oliver R. Braubach;Heather-Dawn Wood;Simon Gadbois;Alan Fine

  • Postembryonic development of serotoninlike immunoreactivity in the central nervous system of the snail, lymnaea stagnalis

    Roger P. Croll;Bernard J. Chiasson

  • Structure and autonomic innervation of the swim bladder in the zebrafish (Danio rerio).

    Jessica L. Finney;George N. Robertson;Chantelle A.S. McGee;Frank M. Smith

  • Taste bud development and patterning in sighted and blind morphs of Astyanax mexicanus.

    Nirupa Varatharasan;Roger P. Croll;Tamara Franz-Odendaal

  • Distribution and functional organization of glomeruli in the olfactory bulbs of zebrafish (Danio rerio).

    Oliver R. Braubach;Oliver R. Braubach;Alan Fine;Roger P. Croll

  • Development of catecholaminergic neurons in the pond snail, Lymnaea stagnalis: I. Embryonic development of dopamine‐containing neurons and dopamine‐dependent behaviors

    Elena E. Voronezhskaya;László Hiripi;Károly Elekes;Roger P. Croll

  • Development of serotoninlike immunoreactivity in the embryonic nervous system of the snail Lymnaea stagnalis.

    René Marois;Roger P. Croll

  • Possible roles of sex steroids in the control of reproduction in bivalve molluscs

    Roger P. Croll;Chunde Wang;Chunde Wang

  • Identified Neurons and Cellular Homologies

    Roger P. Croll

  • Transcriptome analysis of the central nervous system of the mollusc Lymnaea stagnalis

    Z.-P. Feng;Z. Zhang;R.E. van Kesteren;V.A. Straub

  • Development of the larval nervous system of the gastropod Ilyanassa obsoleta

    Amanda J.G. Dickinson;Roger P. Croll

  • Early elements in gastropod neurogenesis.

    Roger P. Croll;Roger P. Croll;Elena E. Voronezhskaya;Elena E. Voronezhskaya

  • Catecholamine-Containing Cells in Larval and Postlarval Bivalve Molluscs.

    Roger P. Croll;Daniel L. Jackson;Elena E. Voronezhskaya

  • Neuronal development in larval mussel Mytilus trossulus (Mollusca: Bivalvia)

    Elena E. Voronezhskaya;Leonid P. Nezlin;Nellia A. Odintsova;Jasmine T. Plummer;Jasmine T. Plummer

  • Development of catecholaminergic neurons in the pond snail, Lymnaea stagnalis: II. Postembryonic development of central and peripheral cells

    Roger P. Croll;Elena E. Voronezhskaya;László Hiripi;Károly Elekes

  • Distribution of the peptide Ala-Pro-Gly-Trp-NH2 (APGWamide) in the nervous system and periphery of the snail Lymnaea stagnalis as revealed by immunocytochemistry and in situ hybridization.

    Roger P. Croll;Jan Van Minnen

  • Characterization of a cDNA clone encoding multiple copies of the neuropeptide APGWamide in the mollusk Lymnaea stagnalis

    A. B. Smit;C. R. Jimenez;R. W. Dirks;R. P. Croll

  • Effects of sex steroids on spawning in the sea scallop, Placopecten magellanicus

    Chunde Wang;Roger P. Croll

  • Development of embryonic cells containing serotonin, catecholamines, and FMRFamide-related peptides in Aplysia californica

    AJ Dickinson;RP Croll;EE Voronezhskaya

  • Catecholamines modulate metamorphosis in the opisthobranch gastropod Phestilla sibogae.

    Anthony Pires;Roger P. Croll;Michael G. Hadfield

Frequent Co-Authors

Mark W. Miller
Mark W. Miller Boston University
Bernard M. Degnan
Bernard M. Degnan University of Queensland
Michael G. Hadfield
Michael G. Hadfield University of Hawaii at Manoa
Jan Bogerd
Jan Bogerd Utrecht University
Dietmar Kültz
Dietmar Kültz University of California, Davis
Thomas J. Carew
Thomas J. Carew New York University
Xiao-Nong Zhou
Xiao-Nong Zhou Chinese Center For Disease Control and Prevention
Patricia A. Wright
Patricia A. Wright University of Guelph
Thomas H. MacRae
Thomas H. MacRae Dalhousie University

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Related Online Degrees & Career Pathways

Exploring a Neuroscience degree can open doors to diverse career paths, especially in fields focused on mental health, behavior, and therapy. Many students interested in neuroscience also consider graduate study in counseling or psychology, often through flexible online programs.

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Another popular choice is an online masters in marriage and family therapy for those interested in helping families and couples navigate complex psychological issues. Alternatively, an online masters in psychology offers a versatile pathway for careers in research, education, and clinical practice.

These related degrees not only complement neuroscience study but also provide additional options for applying neuroscience concepts within broader health and counseling professions.

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