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Ronald Szymusiak

D-Index & Metrics

Neuroscience

D-Index
60
Citations
13265
World Ranking
3834
National Ranking
1749

Ronald Szymusiak 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 Ronald Szymusiak 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: 155 publications — 45th percentile

45% of scientists in this discipline score the same or lower.

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

Ronald Szymusiak 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 Ronald Szymusiak 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: 60 D-Index — 61st percentile

61% of scientists in this discipline score the same or lower.

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

Overview

Ronald Szymusiak is affiliated with the University of California, Los Angeles in the United States. Their research primarily focuses on Neuroscience, with a specialization in Behavioral Neuroscience.

Their scholarly work explores topics related to Stress Responses and Cortisol, evidencing interest in the physiological and behavioral mechanisms underlying stress.

Among their recent publications is the paper titled "109 Chemogenetic silencing of corticotropin releasing factor neurons in the paraventricular nucleus: the effect on post-stress sleep", published in 2021 in the journal SLEEP.

Frequent co-authors collaborating with Ronald Szymusiak include:

  • Irma Gvilia
  • Sunil Kumar
  • Dennis McGinty

Their work has been published in the venue SLEEP, which is a recognized outlet for research related to sleep science and neurobiology.

Their contributions to the field are centered on understanding the neural and hormonal systems involved in stress and its impact on sleep, reflecting an integration of behavioral neuroscience and stress physiology.

Best Publications

  • Control of Confounding and Reporting of Results in Causal Inference Studies. Guidance for Authors from Editors of Respiratory, Sleep, and Critical Care Journals

    David J. Lederer;Scott C. Bell;Richard D. Branson;James D. Chalmers

  • Sleep-waking discharge patterns of ventrolateral preoptic/anterior hypothalamic neurons in rats.

    Ronald Szymusiak;Noor Alam;Teresa L Steininger;Dennis McGinty

  • Keeping cool: a hypothesis about the mechanisms and functions of slow-wave sleep

    Dennis McGinty;Dennis McGinty;Ronald Szymusiak;Ronald Szymusiak

  • Magnocellular nuclei of the basal forebrain : substrates of sleep and arousal regulation

    Ronald Szymusiak

  • Hypothalamic regulation of sleep and arousal

    Ronald Szymusiak;Ronald Szymusiak;Dennis McGinty;Dennis McGinty

  • Sleep-related neuronal discharge in the basal forebrain of cats

    Ronald Szymusiak;Dennis McGinty

  • Sleep-waking discharge of neurons in the posterior lateral hypothalamus of the albino rat

    Teresa L. Steininger;Md.Noor Alam;Md.Noor Alam;Hui Gong;Ronald Szymusiak;Ronald Szymusiak

  • Physiological origins and functional correlates of EEG rhythmic activities: Implications for self-regulation

    Unknown

  • Subregional organization of preoptic area/anterior hypothalamic projections to arousal-related monoaminergic cell groups.

    Teresa L. Steininger;Hui Gong;Dennis Mcginty;Dennis Mcginty;Ronald Szymusiak;Ronald Szymusiak

  • Activation of c‐fos in GABAergic neurones in the preoptic area during sleep and in response to sleep deprivation

    Hui Gong;Dennis McGinty;Ruben Guzman-Marin;Keng-Tee Chew

  • Sleep deprivation reduces proliferation of cells in the dentate gyrus of the hippocampus in rats

    Ruben Guzmán-Marín;Natalia Suntsova;Natalia Suntsova;Darya R. Stewart;Hui Gong

  • Sleep-waking discharge patterns of median preoptic nucleus neurons in rats

    Natalia Suntsova;Ronald Szymusiak;Noor Md. Alam;Ruben Guzman-Marin

  • Sleep deprivation suppresses neurogenesis in the adult hippocampus of rats.

    Ruben Guzman-Marin;Natalia Suntsova;Natalia Suntsova;Melvi Methippara;Richard Greiffenstein

  • Suppression of hippocampal plasticity-related gene expression by sleep deprivation in rats.

    Ruben Guzman-Marin;Zhe Ying;Natalia Suntsova;Melvi Methippara

  • Development and Reporting of Prediction Models: Guidance for Authors From Editors of Respiratory, Sleep, and Critical Care Journals.

    Daniel E. Leisman;Michael O. Harhay;David J. Lederer;David J. Lederer;Michael Abramson

  • Sleep-waking discharge patterns of neurons recorded in the rat perifornical lateral hypothalamic area

    Md. Noor Alam;Hui Gong;Tarannum Alam;Rajesh Jaganath

  • Maximal REM sleep time defines a narrower thermoneutral zone than does minimal metabolic rate

    Ronald Szymusiak;Evelyn Satinoff

  • Hypothalamic control of sleep.

    Ronald Szymusiak;Irma Gvilia;Irma Gvilia;Dennis McGinty

  • Adenosinergic modulation of rat basal forebrain neurons during sleep and waking: neuronal recording with microdialysis

    Md. Noor Alam;Ronald Szymusiak;Ronald Szymusiak;Hui Gong;Janice King

  • Hypothalamic regulation of sleep and arousal.

    Dennis McGinty;Ronald Szymusiak

  • Sleep suppression following kainic acid-induced lesions of the basal forebrain.

    Ronald Szymusiak;Ronald Szymusiak;Dennis McGinty;Dennis McGinty

  • Sleep-waking discharge of basal forebrain projection neurons in cats.

    Ronald Szymusiak;Ronald Szymusiak;Dennis McGinty;Dennis McGinty

Frequent Co-Authors

Dennis McGinty
Dennis McGinty University of California, Los Angeles
Jerome M. Siegel
Jerome M. Siegel University of California, Los Angeles
Jan Bakker
Jan Bakker New York University
Jean-Louis Teboul
Jean-Louis Teboul University of Paris-Saclay
Zuhair K. Ballas
Zuhair K. Ballas University of Iowa
Guy B. Marks
Guy B. Marks University of New South Wales
Michael Schatz
Michael Schatz Kaiser Permanente
Scott C. Bell
Scott C. Bell University of Queensland
René Drucker-Colín
René Drucker-Colín National Autonomous University of Mexico
Sudhansu Chokroverty
Sudhansu Chokroverty Seton Hall University

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