World's Best Scientists 2026 revealed!
Ritsuko Hanajima

Ritsuko Hanajima

D-Index & Metrics

Neuroscience

D-Index
55
Citations
10676
World Ranking
4724
National Ranking
143

Ritsuko Hanajima 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 Ritsuko Hanajima 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: 274 publications — 79th percentile

79% of scientists in this discipline score the same or lower.

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

Ritsuko Hanajima 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 Ritsuko Hanajima 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: 55 D-Index — 52nd percentile

52% of scientists in this discipline score the same or lower.

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

Overview

Ritsuko Hanajima is affiliated with Tottori University in Japan and has made contributions in the fields of Medicine and Neuroscience, with a particular focus on Neurology, Cellular and Molecular Neuroscience, Molecular Biology, Genetics, and Physiology.

Their research includes multiple topics such as Genetic Neurodegenerative Diseases, Parkinson's Disease Mechanisms and Treatments, Neurological disorders and treatments, Amyotrophic Lateral Sclerosis Research, Transcranial Magnetic Stimulation Studies, Vestibular and auditory disorders, and Alzheimer's disease research and treatments.

Frequent co-authors collaborating with Ritsuko Hanajima include:

  • Yoshikazu Ugawa
  • Takenobu Murakami
  • Tadashi Adachi
  • Yasuhiro Watanabe
  • Hiroshi Takigawa

Key venues for publication where Ritsuko Hanajima has frequently contributed are:

  • Clinical Neurophysiology
  • Rinsho Shinkeigaku
  • Journal of the Neurological Sciences
  • Neurology and Clinical Neuroscience
  • Brain stimulation

Representative recent papers include:

  • "CGG expansion in NOTCH2NLC is associated with oculopharyngodistal myopathy with neurological manifestations," 2020, Acta Neuropathologica Communications
  • "Safety and tolerability of bosutinib in patients with amyotrophic lateral sclerosis (iDReAM study): A multicentre, open-label, dose-escalation phase 1 trial," 2022, EClinicalMedicine
  • "Clinical course of pathologically confirmed corticobasal degeneration and corticobasal syndrome," 2023, Brain Communications
  • "High-dose ubiquinol supplementation in multiple-system atrophy: a multicentre, randomised, double-blinded, placebo-controlled phase 2 trial," 2023, EClinicalMedicine
  • "Cognitive and behavioral status in Japanese ALS patients: a multicenter study," 2020, Journal of Neurology

Best Publications

  • Magnetic stimulation over the cerebellum in humans

    Yoshikazu Ugawa;Yoshikazu Uesaka;Yasuo Terao;Ritsuko Hanajima

  • Preferential activation of different I waves by transcranial magnetic stimulation with a figure-of-eight-shaped coil.

    K Sakai;Y Ugawa;Y Terao;R Hanajima

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

    Ritsuko Hanajima;Yoshikazu Ugawa;Yasuo Terao;Katsuyuki Sakai

  • Interhemispheric facilitation of the hand motor area in humans.

    Ritsuko Hanajima;Yoshikazu Ugawa;Katsuyuki Machii;Hitoshi Mochizuki

  • Expansions of intronic TTTCA and TTTTA repeats in benign adult familial myoclonic epilepsy.

    Hiroyuki Ishiura;Koichiro Doi;Jun Mitsui;Jun Yoshimura

  • Bidirectional long-term motor cortical plasticity and metaplasticity induced by quadripulse transcranial magnetic stimulation.

    Masashi Hamada;Yasuo Terao;Ritsuko Hanajima;Yuichiro Shirota

  • Mechanisms of intracortical I-wave facilitation elicited with paired-pulse magnetic stimulation in humans.

    Ritsuko Hanajima;Yoshikazu Ugawa;Yasuo Terao;Hiroyuki Enomoto

  • Magnetic stimulation of corticospinal pathways at the foramen magnum level in humans.

    Yoshikazu Ugawa;Yoshikazu Uesaka;Yasuo Terao;Ritsuko Hanajima

  • RESPONSE OF ANTI-NMDA RECEPTOR ENCEPHALITIS WITHOUT TUMOR TO IMMUNOTHERAPY INCLUDING RITUXIMAB

    H. Ishiura;S. Matsuda;M. Higashihara;M. Hasegawa

  • Decreased sensory cortical excitability after 1 Hz rTMS over the ipsilateral primary motor cortex.

    H. Enomoto;Y. Ugawa;R. Hanajima;K. Yuasa

  • Initiation and inhibitory control of saccades with the progression of Parkinson's disease - changes in three major drives converging on the superior colliculus.

    Yasuo Terao;Hideki Fukuda;Akihiro Yugeta;Okihide Hikosaka

  • 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

  • Short and long duration transcranial direct current stimulation (tDCS) over the human hand motor area.

    Toshiaki Furubayashi;Yasuo Terao;Noritoshi Arai;Shingo Okabe

  • Magnetic stimulation over the cerebellum in patients with ataxia

    Yoshikazu Ugawa;Yasuo Terao;Ritsuko Hanajima;Katsuyuki Sakai

  • Ipsilateral cortico-cortical inhibition of the motor cortex in various neurological disorders

    Ritsuko Hanajima;Yoshikazu Ugawa;Yasuo Terao;Katsuhisa Ogata

  • Further evidence to support different mechanisms underlying intracortical inhibition of the motor cortex.

    Ritsuko Hanajima;Toshiaki Furubayashi;Nobue Kobayashi Iwata;Yasushi Shiio

  • Predominant activation of I1-waves from the leg motor area by transcranial magnetic stimulation.

    Yasuo Terao;Yoshikazu Ugawa;Ritsuko Hanajima;Katsuyuki Machii

  • Effect of Low-Frequency Repetitive Transcranial Magnetic Stimulation on Interhemispheric Inhibition

    Pramod Kr. Pal;Ritsuko Hanajima;Carolyn A. Gunraj;Jie-Yuan Li

  • Interhemispheric facilitation of the hand area of the human motor cortex.

    Yoshikazu Ugawa;Ritsuko Hanajima;Ichiro Kanazawa

Frequent Co-Authors

Yoshikazu Ugawa
Yoshikazu Ugawa Fukushima Medical University
Yasuo Terao
Yasuo Terao Kyorin University
Toshiaki Furubayashi
Toshiaki Furubayashi Tohoku Bunka Gakuen University
Ichiro Kanazawa
Ichiro Kanazawa University of Tokyo
Shoji Tsuji
Shoji Tsuji University of Tokyo
Katsuyuki Sakai
Katsuyuki Sakai University of Tokyo
Hideki Fukuda
Hideki Fukuda Kobe University
Andres M. Lozano
Andres M. Lozano University of Toronto
Robert Chen
Robert Chen University Health Network
Okihide Hikosaka
Okihide Hikosaka National Institutes of Health

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Related Online Degrees & Career Pathways

If you are interested in studying neuroscience in the USA, there are several related online degrees and career pathways worth considering. Many students explore programs in psychology, social work, and therapy due to their close connections with neuroscience and opportunities for practical careers.

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Individuals passionate about clinical practice can pursue a psyd psychology online program, which emphasizes applied skills for counselor, therapist, or psychologist careers.

Finally, those interested in family therapy may opt for accelerated mft programs. These allow students to enter the workforce quickly and help families or couples improve their relationships.

Exploring these pathways can complement a neuroscience background, broadening your career options within the mental health and wellness field.

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