World's Best Scientists 2026 revealed!
Toshiaki Onitsuka

Toshiaki Onitsuka

D-Index & Metrics

Discipline name D-Index World Ranking Current World Ranking National Ranking Current National Ranking Publications Citations
Neuroscience 41 7895 7289 267 251 130 6189

Toshiaki Onitsuka publications per year

The chart shows the history of publications by Toshiaki Onitsuka between 1993 and 2025, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Toshiaki Onitsuka published across 33 years, from 1993 to 2025, averaging 4.7 papers a year. Output peaked at 16 publications in 2022. 21 of the 155 publications appeared in the last two years.

No. of publications
5 10 15
Bar chart. Horizontal axis: year, 1993 to 2025. Vertical axis: number of publications, 0 to 16. Peak 16 publications in 2022. 1993: 1 publication 1994: 0 publications 1995: 1 publication 1996: 1 publication 1997: 4 publications 1998: 2 publications 1999: 0 publications 2000: 2 publications 2001: 0 publications 2002: 2 publications 2003: 4 publications 2004: 1 publication 2005: 1 publication 2006: 6 publications 2007: 3 publications 2008: 2 publications 2009: 10 publications 2010: 6 publications 2011: 5 publications 2012: 6 publications 2013: 5 publications 2014: 5 publications 2015: 4 publications 2016: 3 publications 2017: 4 publications 2018: 5 publications 2019: 4 publications 2020: 13 publications 2021: 8 publications 2022: 16 publications 2023: 10 publications 2024: 11 publications 2025: 10 publications
1993 2025

155 publications in total across all disciplines

View publications per year as a table
Toshiaki Onitsuka: publications per year, 1993 to 2025
Year Publications
1993 1
1994 0
1995 1
1996 1
1997 4
1998 2
1999 0
2000 2
2001 0
2002 2
2003 4
2004 1
2005 1
2006 6
2007 3
2008 2
2009 10
2010 6
2011 5
2012 6
2013 5
2014 5
2015 4
2016 3
2017 4
2018 5
2019 4
2020 13
2021 8
2022 16
2023 10
2024 11
2025 10
Total 155
Download as CSV

Toshiaki Onitsuka 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 Toshiaki Onitsuka sits on this spectrum.

No. of scientists
100 200 300 400 500
Bar chart with 86 bars. Horizontal axis: publications, 38–47 to 887+. Vertical axis: number of scientists, 0 to 539. Most scientists, 539, have 98–107 publications. The last bar groups every scientist with 887 publications or more. The highlighted bar, 128–137 publications, is where this scientist sits. 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 scientist 868–877 publications: 3 scientists 878–886 publications: 6 scientists 887+ publications: 100 scientists
38–47 publications 887+

This scientist: 130 publications — 33rd percentile

33% of scientists in this discipline score the same or lower.

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

View publications distribution as a table
Number of Neuroscience scientists by publication count, Research.com 2026 ranking edition. Based on 9,597 ranked scientists.
Publications Scientists This scientist
38–47 18
48–57 79
58–67 193
68–77 323
78–87 406
88–97 452
98–107 539
108–117 505
118–127 522
128–137 469 130
138–147 456
148–157 459
158–167 397
168–177 383
178–187 350
188–197 302
198–207 306
208–217 262
218–227 242
228–237 220
238–247 203
248–257 174
258–267 176
268–277 175
278–287 125
288–297 116
298–307 127
308–317 128
318–327 99
328–337 89
338–347 78
348–357 96
358–367 66
368–377 59
378–387 65
388–397 54
398–407 48
408–417 49
418–427 34
428–437 31
438–447 30
448–457 31
458–467 36
468–477 40
478–487 35
488–497 30
498–507 23
508–517 26
518–527 20
528–537 23
538–547 20
548–557 20
558–567 17
568–577 14
578–587 20
588–597 20
598–607 19
608–617 18
618–627 17
628–637 11
638–647 11
648–657 11
658–667 8
668–677 7
678–687 11
688–697 10
698–707 4
708–717 6
718–727 5
728–737 5
738–747 9
748–757 9
758–767 3
768–777 7
778–787 7
788–797 6
798–807 2
808–817 2
818–827 7
828–837 0
838–847 9
848–857 3
858–867 1
868–877 3
878–886 6
887+ 100
Download as CSV

Toshiaki Onitsuka 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 Toshiaki Onitsuka sits on this spectrum.

No. of scientists
100 200 300 400 500
Bar chart with 68 bars. Horizontal axis: D-Index, 30–31 to 163+. Vertical axis: number of scientists, 0 to 512. Most scientists, 512, have 46–47 D-Index. The last bar groups every scientist with 163 D-Index or more. The highlighted bar, 40–41 D-Index, is where this scientist sits. 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
30–31 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.

View D-Index distribution as a table
Number of Neuroscience scientists by D-index, Research.com 2026 ranking edition. Based on 9,597 ranked scientists.
D-Index Scientists This scientist
30–31 42
32–33 172
34–35 296
36–37 435
38–39 459
40–41 456 41
42–43 467
44–45 478
46–47 512
48–49 435
50–51 425
52–53 418
54–55 392
56–57 357
58–59 334
60–61 328
62–63 260
64–65 278
66–67 239
68–69 250
70–71 210
72–73 200
74–75 189
76–77 170
78–79 146
80–81 113
82–83 126
84–85 100
86–87 84
88–89 99
90–91 84
92–93 85
94–95 72
96–97 76
98–99 45
100–101 49
102–103 43
104–105 32
106–107 45
108–109 50
110–111 32
112–113 39
114–115 32
116–117 29
118–119 27
120–121 19
122–123 23
124–125 27
126–127 16
128–129 24
130–131 13
132–133 21
134–135 17
136–137 14
138–139 15
140–141 10
142–143 10
144–145 13
146–147 9
148–149 8
150–151 6
152–153 6
154–155 7
156–157 7
158–159 10
160–161 4
162 8
163+ 100
Download as CSV

Overview

Toshiaki Onitsuka is affiliated with Kyushu University in Japan and has contributed extensively to research in medicine and neuroscience. Their work primarily focuses on cognitive neuroscience, psychiatry and mental health, pharmacology, experimental and cognitive psychology, as well as clinical psychology.

Their main research topics include:

  • Schizophrenia research and treatment
  • Functional Brain Connectivity Studies
  • Treatment of Major Depression
  • Neural dynamics and brain function
  • Health Systems, Economic Evaluations, Quality of Life
  • Bipolar Disorder and Treatment
  • Health Policy Implementation Science

Toshiaki Onitsuka has published numerous papers in several scientific venues, most frequently in:

  • Neuropsychopharmacology Reports
  • Psychiatry and Clinical Neurosciences
  • Frontiers in Psychiatry
  • Molecular Psychiatry
  • Clinical EEG and Neuroscience

Significant recent publications include:

  • Neuronal imbalance of excitation and inhibition in schizophrenia: a scoping review of gamma-band ASSR findings, 2022, Psychiatry and Clinical Neurosciences
  • Toward recovery in schizophrenia: Current concepts, findings, and future research directions, 2022, Psychiatry and Clinical Neurosciences
  • Trends in big data analyses by multicenter collaborative translational research in psychiatry, 2021, Psychiatry and Clinical Neurosciences

The scientist has collaborated frequently with other researchers including:

  • Ryota Hashimoto
  • Junya Matsumoto
  • Kenichiro Miura
  • Naomi Hasegawa
  • Naoki Hashimoto

Best Publications

  • Middle and Inferior Temporal Gyrus Gray Matter Volume Abnormalities in First-Episode Schizophrenia: An MRI Study

    Toshiaki Onitsuka;Martha Elizabeth Shenton;Dean F. Salisbury;Chandlee C. Dickey

  • Progressive decrease of left Heschl gyrus and planum temporale gray matter volume in first-episode schizophrenia: a longitudinal magnetic resonance imaging study.

    Kiyoto Kasai;Martha Elizabeth Shenton;Dean F. Salisbury;Yoshio Hirayasu

  • Abnormal asymmetries in subcortical brain volume in schizophrenia.

    N Okada;M Fukunaga;F Yamashita;D Koshiyama

  • Middle and inferior temporal gyrus gray matter volume abnormalities in first-episode schizophrenia: an MRI study.

    Unknown

  • White matter microstructural alterations across four major psychiatric disorders: mega-analysis study in 2937 individuals

    Daisuke Koshiyama;Masaki Fukunaga;Naohiro Okada;Kentaro Morita

  • Spontaneous Gamma Activity in Schizophrenia.

    Yoji Hirano;Naoya Oribe;Naoya Oribe;Naoya Oribe;Shigenobu Kanba;Toshiaki Onitsuka

  • Fusiform gyrus volume reduction in first-episode schizophrenia: a magnetic resonance imaging study.

    Chang Uk Lee;Martha E. Shenton;Dean F. Salisbury;Kiyoto Kasai

  • Differences and Similarities in Insular and Temporal Pole MRI Gray Matter Volume Abnormalities in First-Episode Schizophrenia and Affective Psychosis

    Kiyoto Kasai;Martha E. Shenton;Dean F. Salisbury;Toshiaki Onitsuka

  • Fusiform gyrus volume reduction and facial recognition in chronic schizophrenia.

    Toshiaki Onitsuka;Martha E. Shenton;Kiyoto Kasai;Paul G. Nestor

  • Functional and structural deficits in brain regions subserving face perception in schizophrenia.

    Toshiaki Onitsuka;Margaret A. Niznikiewicz;Kevin M. Spencer;Melissa Frumin

  • Gamma band neural synchronization deficits for auditory steady state responses in bipolar disorder patients

    Yuko Oda;Toshiaki Onitsuka;Rikako Tsuchimoto;Shogo Hirano

  • P300 in response to the subject's own face.

    Hideaki Ninomiya;Toshiaki Onitsuka;Chung Ho Chen;Eigo Sato

  • Reduced high and low frequency gamma synchronization in patients with chronic schizophrenia.

    Rikako Tsuchimoto;Shigenobu Kanba;Shogo Hirano;Naoya Oribe

  • Cavum septi pellucidi in first-episode schizophrenia and first-episode affective psychosis: an MRI study

    Kiyoto Kasai;Robert William McCarley;Dean F. Salisbury;Dean F. Salisbury;Toshiaki Onitsuka

  • Differentiation between major depressive disorder and bipolar disorder by auditory steady-state responses.

    Shuichi Isomura;Toshiaki Onitsuka;Rikako Tsuchimoto;Itta Nakamura

  • Review of neurophysiological findings in patients with schizophrenia

    Toshiaki Onitsuka;Naoya Oribe;Itta Nakamura;Shigenobu Kanba

  • Abnormal Neural Oscillatory Activity to Speech Sounds in Schizophrenia : A Magnetoencephalography Study

    Shogo Hirano;Yoji Hirano;Toshihiko Maekawa;Choji Obayashi

  • Occipital lobe gray matter volume in male patients with chronic schizophrenia: A quantitative MRI study.

    Toshiaki Onitsuka;Robert William McCarley;Noriomi Kuroki;Chandlee C. Dickey;Chandlee C. Dickey

  • Neuronal imbalance of excitation and inhibition in schizophrenia: a scoping review of gamma‐band ASSR findings

    Unknown

  • Dissociable contributions of MRI volume reductions of superior temporal and fusiform gyri to symptoms and neuropsychology in schizophrenia

    Paul Gerard Nestor;Paul Gerard Nestor;Toshiaki Onitsuka;Toshiaki Onitsuka;Ronald Joseph Gurrera;Margaret A. Niznikiewicz

  • Decreased spatial frequency sensitivities for processing faces in male patients with chronic schizophrenia.

    Choji Obayashi;Taisuke Nakashima;Taisuke Nakashima;Toshiaki Onitsuka;Toshihiko Maekawa

  • Fusiform Gyrus Volume Reduction in First-Episode Schizophrenia

    Chang Uk Lee;Martha E. Shenton;Dean F. Salisbury;Kiyoto Kasai

Frequent Co-Authors

Shigenobu Kanba
Shigenobu Kanba Kyushu University
Kiyoto Kasai
Kiyoto Kasai University of Tokyo
Martha E. Shenton
Martha E. Shenton Harvard University
Ryota Hashimoto
Ryota Hashimoto National Center of Neurology and Psychiatry
Robert W. McCarley
Robert W. McCarley Harvard Medical School
Kevin M. Spencer
Kevin M. Spencer VA Boston Healthcare System
Norio Ozaki
Norio Ozaki Nagoya University
Ron Kikinis
Ron Kikinis Brigham and Women's Hospital
Margaret A. Niznikiewicz
Margaret A. Niznikiewicz Harvard University
Ferenc A. Jolesz
Ferenc A. Jolesz Brigham and Women's Hospital

If you think any of the details on this page are incorrect, let us know.

Report an issue

We appreciate your kind effort to assist us to improve this page, it would be helpful providing us with as much detail as possible in the text box below:

Related Online Degrees & Career Pathways

Exploring neuroscience can open many doors, both in research and clinical practice. If you’re interested in mental health or clinical roles, consider pursuing one of the psyd programs available online. These programs focus on advanced psychology practice, preparing you for careers in assessment, therapy, and more.

Another popular pathway is becoming a marriage and family therapist through online mft programs accredited. These accredited options offer flexibility and can help you enter the mental health field more quickly, especially if you want to assist families and couples with therapy.

If you’re looking to fast-track your education, explore accelerated degrees online. Accelerated programs are designed to help students earn their bachelor’s degrees at a faster pace, providing a jump start into the workforce or further graduate study in neuroscience-related subjects.

Lastly, research the best bachelor's degrees for high earnings and job security. Neuroscience is just one of several fields offering competitive pay and career growth, making it a smart choice for many students.

Best Scientists Citing Toshiaki Onitsuka

Trending Scientists

Recently Published Articles