World's Best Scientists 2026 revealed!

D-Index & Metrics

Discipline name D-Index World Ranking Current World Ranking National Ranking Current National Ranking Publications Citations
Psychology 43 7296 6804 16 15 203 7086
Neuroscience 44 7176 6611 240 227 210 7443

Rui Nouchi publications per year

The chart shows the history of publications by Rui Nouchi between 2006 and 2025, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Rui Nouchi published across 20 years, from 2006 to 2025, averaging 11.1 papers a year. Output peaked at 26 publications in 2015. 9 of the 221 publications appeared in the last two years.

No. of publications
5 10 15 20 25
Bar chart. Horizontal axis: year, 2006 to 2025. Vertical axis: number of publications, 0 to 26. Peak 26 publications in 2015. 2006: 1 publication 2007: 3 publications 2008: 1 publication 2009: 2 publications 2010: 4 publications 2011: 7 publications 2012: 12 publications 2013: 13 publications 2014: 18 publications 2015: 26 publications 2016: 15 publications 2017: 15 publications 2018: 14 publications 2019: 22 publications 2020: 17 publications 2021: 21 publications 2022: 10 publications 2023: 11 publications 2024: 6 publications 2025: 3 publications
2006 2025

221 publications in total across all disciplines

View publications per year as a table
Rui Nouchi: publications per year, 2006 to 2025
Year Publications
2006 1
2007 3
2008 1
2009 2
2010 4
2011 7
2012 12
2013 13
2014 18
2015 26
2016 15
2017 15
2018 14
2019 22
2020 17
2021 21
2022 10
2023 11
2024 6
2025 3
Total 221
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Rui Nouchi 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 Rui Nouchi 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, 208–217 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: 210 publications — 65th percentile

65% 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
138–147 456
148–157 459
158–167 397
168–177 383
178–187 350
188–197 302
198–207 306
208–217 262 210
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
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Rui Nouchi 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 Rui Nouchi 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, 44–45 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: 44 D-Index — 27th percentile

27% 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
42–43 467
44–45 478 44
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
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Overview

Rui Nouchi is affiliated with the University of Human Environments in Japan and specializes in research spanning neuroscience, medicine, and psychology. Their work is notably anchored in cognitive neuroscience, with substantial contributions in experimental and cognitive psychology as well as radiology, nuclear medicine, and imaging. The scope of their research extends into social psychology and psychiatry and mental health, reflecting a multidisciplinary approach to understanding brain function and behavior.

Their recent publications demonstrate a focus on cognitive functions, neuroimaging, and the brain's response to various interventions. These include:

  • "Gut microbiota in patients with Alzheimer's disease spectrum: a systematic review and meta-analysis," 2022, Aging
  • "The Effect of Music-Based Intervention on General Cognitive and Executive Functions, and Episodic Memory in People with Mild Cognitive Impairment and Dementia: A Systematic Review and Meta-Analysis of Recent Randomized Controlled Trials," 2022, Healthcare
  • "Effects of Lutein and Astaxanthin Intake on the Improvement of Cognitive Functions among Healthy Adults: A Systematic Review of Randomized Controlled Trials," 2020, Nutrients
  • "Auditory Cognitive Training Improves Brain Plasticity in Healthy Older Adults: Evidence From a Randomized Controlled Trial," 2022, Frontiers in Aging Neuroscience
  • "Lead exposure is associated with functional and microstructural changes in the healthy human brain," 2021, Communications Biology

Nouchi's body of work also involves collaboration with frequent coauthors including Ryuta Kawashima, Hikaru Takeuchi, Kohei Sakaki, Yasuyuki Taki, and Yuka Kotozaki. These collaborations highlight a network of research focused on brain science and cognitive health.

The scientist has published extensively in several key journals such as Frontiers in Aging Neuroscience, Nutrients, Brain Sciences, Frontiers in Psychology, and Healthcare. This demonstrates a consistent presence in venues dedicated to aging, nutrition, brain sciences, and overall health care research.

Their research topics encompass a variety of subjects, with prominent areas including:

  • Functional Brain Connectivity Studies
  • Advanced Neuroimaging Techniques and Applications
  • Neuroscience and Music Perception
  • Dementia and Cognitive Impairment Research
  • Heart Rate Variability and Autonomic Control
  • Cognitive Abilities and Testing
  • Music Therapy and Health

Best Publications

  • Brain Training Game Improves Executive Functions and Processing Speed in the Elderly: A Randomized Controlled Trial

    Rui Nouchi;Yasuyuki Taki;Hikaru Takeuchi;Hiroshi Hashizume

  • Failing to deactivate: the association between brain activity during a working memory task and creativity.

    Hikaru Takeuchi;Yasuyuki Taki;Hiroshi Hashizume;Yuko Sassa

  • Brain training game boosts executive functions, working memory and processing speed in the young adults: a randomized controlled trial

    Rui Nouchi;Rui Nouchi;Yasuyuki Taki;Hikaru Takeuchi;Hiroshi Hashizume

  • The Association between Resting Functional Connectivity and Creativity

    Hikaru Takeuchi;Yasuyuki Taki;Hiroshi Hashizume;Yuko Sassa

  • Effects of working memory training on functional connectivity and cerebral blood flow during rest.

    Hikaru Takeuchi;Yasuyuki Taki;Rui Nouchi;Hiroshi Hashizume

  • Effects of Training of Processing Speed on Neural Systems

    Hikaru Takeuchi;Yasuyuki Taki;Hiroshi Hashizume;Yuko Sassa

  • The Impact of Television Viewing on Brain Structures: Cross-Sectional and Longitudinal Analyses

    Hikaru Takeuchi;Yasuyuki Taki;Hiroshi Hashizume;Kohei Asano

  • Brain structural changes as vulnerability factors and acquired signs of post-earthquake stress.

    A Sekiguchi;M Sugiura;Y Taki;Y Kotozaki

  • Sleep duration during weekdays affects hippocampal gray matter volume in healthy children

    Yasuyuki Taki;Hiroshi Hashizume;Benjamin Thyreau;Yuko Sassa

  • Four weeks of combination exercise training improved executive functions, episodic memory, and processing speed in healthy elderly people: evidence from a randomized controlled trial

    Rui Nouchi;Yasuyuki Taki;Hikaru Takeuchi;Atsushi Sekiguchi

  • Regional gray and white matter volume associated with Stroop interference: evidence from voxel-based morphometry.

    Hikaru Takeuchi;Yasuyuki Taki;Yuko Sassa;Hiroshi Hashizume

  • Regional gray matter density is associated with achievement motivation: evidence from voxel-based morphometry.

    Hikaru Takeuchi;Yasuyuki Taki;Rui Nouchi;Rui Nouchi;Atsushi Sekiguchi

  • Cerebral blood flow during rest associates with general intelligence and creativity.

    Hikaru Takeuchi;Yasuyuki Taki;Hiroshi Hashizume;Yuko Sassa

  • Correlation among body height, intelligence, and brain gray matter volume in healthy children.

    Yasuyuki Taki;Hiroshi Hashizume;Yuko Sassa;Hikaru Takeuchi

  • Linear and curvilinear correlations of brain white matter volume, fractional anisotropy, and mean diffusivity with age using voxel-based and region-of-interest analyses in 246 healthy children

    Yasuyuki Taki;Benjamin Thyreau;Hiroshi Hashizume;Yuko Sassa

  • Impact of videogame play on the brain’s microstructural properties: cross-sectional and longitudinal analyses

    H Takeuchi;Y Taki;H Hashizume;K Asano

  • Does Video Gaming Have Impacts on the Brain: Evidence from a Systematic Review.

    Denilson Brilliant T;Rui Nouchi;Ryuta Kawashima

  • The Relationship between Processing Speed and Regional White Matter Volume in Healthy Young People.

    Daniele Magistro;Hikaru Takeuchi;Keyvan Kashkouli Nejad;Yasuyuki Taki

  • White matter structures associated with empathizing and systemizing in young adults

    Hikaru Takeuchi;Yasuyuki Taki;Benjamin Thyreau;Yuko Sassa

  • Anatomical correlates of quality of life: evidence from voxel-based morphometry.

    Hikaru Takeuchi;Yasuyuki Taki;Rui Nouchi;Hiroshi Hashizume

  • Association between resting-state functional connectivity and empathizing/systemizing.

    Hikaru Takeuchi;Yasuyuki Taki;Rui Nouchi;Atsushi Sekiguchi

  • Impact of frequency of internet use on development of brain structures and verbal intelligence: Longitudinal analyses.

    Hikaru Takeuchi;Yasuyuki Taki;Kohei Asano;Michiko Asano

Frequent Co-Authors

Ryuta Kawashima
Ryuta Kawashima Tohoku University
Hikaru Takeuchi
Hikaru Takeuchi Tohoku University
Yasuyuki Taki
Yasuyuki Taki Tohoku University
Yuko Sassa
Yuko Sassa Tohoku University
Hiroshi Hashizume
Hiroshi Hashizume Tohoku University
Motoaki Sugiura
Motoaki Sugiura Tohoku University
Fumihiko Imamura
Fumihiko Imamura Tohoku University
Kou Murayama
Kou Murayama University of Reading
Atsuo Takanishi
Atsuo Takanishi Waseda University
Laurie T. Butler
Laurie T. Butler Anglia Ruskin University

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