World's Best Scientists 2026 revealed!
Katsuyuki Sakai

Katsuyuki Sakai

D-Index & Metrics

Neuroscience

D-Index
41
Citations
11937
World Ranking
7746
National Ranking
259

Katsuyuki Sakai 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 Katsuyuki Sakai 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: 78 publications — 7th percentile

7% of scientists in this discipline score the same or lower.

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

Katsuyuki Sakai 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 Katsuyuki Sakai 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: 41 D-Index — 19th percentile

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

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

Overview

Katsuyuki Sakai is affiliated with the University of Tokyo in Japan. Their research primarily focuses on neuroscience, with a significant number of publications in cognitive neuroscience. Their work spans related subfields such as radiology, nuclear medicine and imaging, developmental and educational psychology, experimental and cognitive psychology, and social psychology.

The scientist's research interests cover several topics including neurobiology of language and bilingualism, functional brain connectivity studies, memory and neural mechanisms, advanced neuroimaging techniques and applications, reading and literacy development, neural dynamics and brain function, and memory processes and influences.

Sakai has contributed to a number of studies published in various academic journals. Some recent papers include:

  • "Paper Notebooks vs. Mobile Devices: Brain Activation Differences During Memory Retrieval" (2021) published in Frontiers in Behavioral Neuroscience
  • "Differential Effects of a Left Frontal Glioma on the Cortical Thickness and Complexity of Both Hemispheres" (2020) published in Cerebral Cortex Communications
  • "Enhanced activations in syntax-related regions for multilinguals while acquiring a new language" (2021) published in Scientific Reports
  • "Task-Induced Functional Connectivity of the Syntax-Related Networks for Patients with a Cortical Glioma" (2020) published in Cerebral Cortex Communications
  • "Diffuse glioma-induced structural reorganization in close association with preexisting syntax-related networks" (2023) published in Cortex

Frequent coauthors collaborating with Sakai include Keita Umejima, Ryuta Kinno, Yoshihiro Muragaki, Kyohei Tanaka, and Takashi Maruyama.

The venues where they have most often published are:

  • PubMed
  • Frontiers in Behavioral Neuroscience
  • Cerebral Cortex Communications
  • Scientific Reports
  • Frontiers in Psychology

Best Publications

  • Central mechanisms of motor skill learning

    Okihide Hikosaka;Kae Nakamura;Katsuyuki Sakai;Hiroyuki Nakahara

  • Parallel neural networks for learning sequential procedures

    Okihide Hikosaka;Hiroyuki Nakahara;Miya K. Rand;Katsuyuki Sakai

  • Reading hidden intentions in the human brain.

    John-Dylan Haynes;Katsuyuki Sakai;Geraint Rees;Sam Gilbert

  • Transition of Brain Activation from Frontal to Parietal Areas in Visuomotor Sequence Learning

    Katsuyuki Sakai;Okihide Hikosaka;Satoru Miyauchi;Ryousuke Takino

  • Prefrontal interactions reflect future task operations.

    Katsuyuki Sakai;Richard E. Passingham

  • Paired-pulse magnetic stimulation of the human motor cortex: differences among I waves

    Ritsuko Hanajima;Yoshikazu Ugawa;Yasuo Terao;Katsuyuki Sakai

  • Task Set and Prefrontal Cortex

    Katsuyuki Sakai

  • Active maintenance in prefrontal area 46 creates distractor-resistant memory.

    Katsuyuki Sakai;James B. Rowe;Richard E. Passingham

  • Chunking during human visuomotor sequence learning

    Katsuyuki Sakai;Katsuya Kitaguchi;Okihide Hikosaka

  • Neuronal Activity in Medial Frontal Cortex During Learning of Sequential Procedures

    Kae Nakamura;Katsuyuki Sakai;Katsuyuki Sakai;Okihide Hikosaka

  • Activation of human presupplementary motor area in learning of sequential procedures: a functional MRI study

    O. Hikosaka;K. Sakai;S. Miyauchi;R. Takino

  • Neural representation of a rhythm depends on its interval ratio.

    Katsuyuki Sakai;Katsuyuki Sakai;Okihide Hikosaka;Satoru Miyauchi;Ryousuke Takino

  • Prefrontal set activity predicts rule-specific neural processing during subsequent cognitive performance.

    Katsuyuki Sakai;Richard E. Passingham

  • Organization of action sequences and the role of the pre-SMA.

    Steve W Kennerley;Katsuyuki Sakai;Matthew F Rushworth

  • Presupplementary Motor Area Activation during Sequence Learning Reflects Visuo-Motor Association

    Katsuyuki Sakai;Okihide Hikosaka;Satoru Miyauchi;Yuka Sasaki

  • Autonomous Mechanism of Internal Choice Estimate Underlies Decision Inertia

    Rei Akaishi;Rei Akaishi;Kazumasa Umeda;Asako Nagase;Katsuyuki Sakai

  • The prefrontal cortex and working memory: physiology and brain imaging

    Unknown

  • Task-specific signal transmission from prefrontal cortex in visual selective attention.

    Yosuke Morishima;Rei Akaishi;Yohei Yamada;Jiro Okuda

  • What and When: Parallel and Convergent Processing in Motor Control

    Katsuyuki Sakai;Katsuyuki Sakai;Okihide Hikosaka;Ryousuke Takino;Satoru Miyauchi

  • Shortening of simple reaction time by peripheral electrical and submotor-threshold magnetic cortical stimulation

    Yasuo Terao;Y. Ugawa;Masahiko Suzuki;Katsuyuki Sakai

  • Facilitatory effect of tonic voluntary contraction on responses to motor cortex stimulation

    Yoshikazu Ugawa;Yasuo Terao;Ritsuko Hanajima;Katsuyuki Sakai

Frequent Co-Authors

Ichiro Kanazawa
Ichiro Kanazawa University of Tokyo
Yasuo Terao
Yasuo Terao Kyorin University
Richard E. Passingham
Richard E. Passingham University of Oxford
Yoshikazu Ugawa
Yoshikazu Ugawa Fukushima Medical University
Okihide Hikosaka
Okihide Hikosaka National Institutes of Health
Ritsuko Hanajima
Ritsuko Hanajima Tottori University
Toshiaki Furubayashi
Toshiaki Furubayashi Tohoku Bunka Gakuen University
James B. Rowe
James B. Rowe University of Cambridge
Yuka Sasaki
Yuka Sasaki Brown University
Yasuo Kawaguchi
Yasuo Kawaguchi The Graduate University for Advanced Studies, SOKENDAI

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