World's Best Scientists 2026 revealed!
Masafumi Ihara

Masafumi Ihara

D-Index & Metrics

Neuroscience

D-Index
76
Citations
18336
World Ranking
1944
National Ranking
42

Masafumi Ihara 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 Masafumi Ihara 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: 469 publications — 94th percentile

94% of scientists in this discipline score the same or lower.

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

Masafumi Ihara 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 Masafumi Ihara 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: 76 D-Index — 80th percentile

80% of scientists in this discipline score the same or lower.

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

Overview

Masafumi Ihara is affiliated with Kyoto University in Japan and works primarily in the field of Medicine with a focus on Neurology. Their research encompasses several subfields including Epidemiology, Pulmonary and Respiratory Medicine, Cardiology and Cardiovascular Medicine, and Psychiatry and Mental Health.

The main topics covered by Ihara's work include:

  • Acute Ischemic Stroke Management
  • Cerebrovascular and Carotid Artery Diseases
  • Intracerebral and Subarachnoid Hemorrhage Research
  • Cerebrovascular and Genetic Disorders
  • Moyamoya Disease Diagnosis and Treatment
  • Atrial Fibrillation Management and Outcomes
  • Neurological Disease Mechanisms and Treatments

Ihara has contributed extensively to scientific literature, with significant publications such as:

  • "Moyamoya disease: diagnosis and interventions", 2022, The Lancet Neurology
  • "Brain Microvascular Pericytes in Vascular Cognitive Impairment and Dementia", 2020, Frontiers in Aging Neuroscience
  • "Loss of capillary pericytes and the blood-brain barrier in white matter in poststroke and vascular dementias and Alzheimer's disease", 2020, Brain Pathology
  • "Spontaneous ARIA-like Events in Cerebral Amyloid Angiopathy-Related Inflammation", 2021, Neurology
  • "Molecular biomarkers for vascular cognitive impairment and dementia", 2023, Nature Reviews Neurology

The venues where Ihara frequently publishes include:

  • Stroke
  • Journal of the Neurological Sciences
  • Journal of the American Heart Association
  • Frontiers in Aging Neuroscience
  • Neurology

Collaboration is a feature of Ihara's work, with frequent co-authors including:

  • Masatoshi Koga
  • Ḱazunori Toyoda
  • Takeshi Yoshimoto
  • Satoshi Saitô
  • Yorito Hattori

Best Publications

  • Stroke injury, cognitive impairment and vascular dementia

    Raj N. Kalaria;Rufus Akinyemi;Masafumi Ihara

  • White Matter Lesions and Glial Activation in a Novel Mouse Model of Chronic Cerebral Hypoperfusion

    Masunari Shibata;Ryo Ohtani;Masafumi Ihara;Hidekazu Tomimoto

  • Progress toward standardized diagnosis of vascular cognitive impairment: Guidelines from the Vascular Impairment of Cognition Classification Consensus Study

    Olivia Skrobot;Sandra Black;Christopher Chen;Charles Decarli

  • Chronic cerebral hypoperfusion: a key mechanism leading to vascular cognitive impairment and dementia. Closing the translational gap between rodent models and human vascular cognitive impairment and dementia.

    Jessica Duncombe;Akihiro Kitamura;Yoshiki Hase;Masafumi Ihara

  • Does vascular pathology contribute to Alzheimer changes

    Raj N. Kalaria;Rufus Akinyemi;Rufus Akinyemi;Masafumi Ihara;Masafumi Ihara

  • Cerebral hypoperfusion accelerates cerebral amyloid angiopathy and promotes cortical microinfarcts

    Yoko Okamoto;Toru Yamamoto;Raj N. Kalaria;Hideto Senzaki

  • Selective Impairment of Working Memory in a Mouse Model of Chronic Cerebral Hypoperfusion

    Masunari Shibata;Nobuyuki Yamasaki;Tsuyoshi Miyakawa;Rajesh N. Kalaria

  • Quantification of myelin loss in frontal lobe white matter in vascular dementia, Alzheimer's disease, and dementia with Lewy bodies.

    Masafumi Ihara;Tuomo M. Polvikoski;Ros Hall;Janet Y. Slade

  • Axonal damage and demyelination in the white matter after chronic cerebral hypoperfusion in the rat

    Hideaki Wakita;Hidekazu Tomimoto;Ichiro Akiguchi;Akinori Matsuo

  • Brain Microvascular Pericytes in Vascular Cognitive Impairment and Dementia.

    Uemura Mt;Maki T;Ihara M;Lee Vmy

  • Astrocytes Promote Oligodendrogenesis after White Matter Damage via Brain-Derived Neurotrophic Factor

    Nobukazu Miyamoto;Takakuni Maki;Akihiro Shindo;Anna C. Liang

  • A Mouse Model Characterizing Features of Vascular Dementia With Hippocampal Atrophy

    Keiko Nishio;Masafumi Ihara;Nobuyuki Yamasaki;Raj N. Kalaria

  • White matter degeneration in vascular and other ageing-related dementias

    Yoshiki Hase;Karen Horsburgh;Masafumi Ihara;Raj N. Kalaria

  • Sept4, a Component of Presynaptic Scaffold and Lewy Bodies, Is Required for the Suppression of α-Synuclein Neurotoxicity

    Masafumi Ihara;Nobuyuki Yamasaki;Akari Hagiwara;Ai Tanigaki

  • Chronic cerebral hypoperfusion induces white matter lesions and loss of oligodendroglia with DNA fragmentation in the rat.

    H. Tomimoto;M. Ihara;H. Wakita;R. Ohtani

  • Vascular Risk Factors and Neurodegeneration in Ageing Related Dementias: Alzheimer’s Disease and Vascular Dementia

    Rufus O. Akinyemi;Elizabeta B. Mukaetova-Ladinska;Johannes Attems;Masafumi Ihara

  • Oligodendrocyte Precursor Cells Support Blood-Brain Barrier Integrity via TGF-β Signaling

    Ji Hae Seo;Ji Hae Seo;Takakuni Maki;Mitsuyo Maeda;Nobukazu Miyamoto

  • Matrix Metalloproteinase-2 Plays a Critical Role in the Pathogenesis of White Matter Lesions After Chronic Cerebral Hypoperfusion in Rodents

    Kayoko Nakaji;Masafumi Ihara;Chiaki Takahashi;Shigeyoshi Itohara

  • Association of the cytoskeletal GTP-binding protein Sept4/H5 with cytoplasmic inclusions found in Parkinson's disease and other synucleinopathies.

    Masafumi Ihara;Hidekazu Tomimoto;Hitoshi Kitayama;Yoko Morioka

  • Nonhypotensive Dose of Telmisartan Attenuates Cognitive Impairment Partially Due to Peroxisome Proliferator-Activated Receptor-γ Activation in Mice With Chronic Cerebral Hypoperfusion

    Kazuo Washida;Masafumi Ihara;Keiko Nishio;Youshi Fujita

Frequent Co-Authors

Ryosuke Takahashi
Ryosuke Takahashi Kyoto University
Raj N. Kalaria
Raj N. Kalaria Newcastle University
Hideo Saji
Hideo Saji Kyoto University
Masahiro Ono
Masahiro Ono Kyoto University
Karen Horsburgh
Karen Horsburgh University of Edinburgh
Hidenao Fukuyama
Hidenao Fukuyama Kyoto University
Makoto Kinoshita
Makoto Kinoshita University of Tokushima
Nobutaka Hattori
Nobutaka Hattori Juntendo University
Tomohiro Matsuyama
Tomohiro Matsuyama Hyogo College of Medicine
Hiroaki Kazui
Hiroaki Kazui Kōchi University

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Exploring these online degrees and certifications can help you tailor your neuroscience career to your interests and ambitions, all while accommodating your schedule and budget.

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