World's Best Scientists 2026 revealed!
Manabu Ikeda

Manabu Ikeda

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Psychology
Japan
2026

D-Index & Metrics

Psychology

D-Index
53
Citations
11491
World Ranking
4790
National Ranking
4

Manabu Ikeda publication distribution in Psychology in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Psychology in 2026. The highlighted bar marks where Manabu Ikeda sits on this spectrum.

31–40 publications: 6 scientists 41–50 publications: 52 scientists 51–60 publications: 138 scientists 61–70 publications: 299 scientists 71–80 publications: 461 scientists 81–90 publications: 605 scientists 91–100 publications: 713 scientists 101–110 publications: 736 scientists 111–120 publications: 686 scientists 121–130 publications: 670 scientists 131–140 publications: 644 scientists 141–150 publications: 597 scientists 151–160 publications: 576 scientists 161–170 publications: 477 scientists 171–180 publications: 450 scientists 181–190 publications: 397 scientists 191–200 publications: 343 scientists 201–210 publications: 328 scientists 211–220 publications: 313 scientists 221–230 publications: 283 scientists 231–240 publications: 226 scientists 241–250 publications: 196 scientists 251–260 publications: 201 scientists 261–270 publications: 171 scientists 271–280 publications: 151 scientists 281–290 publications: 139 scientists 291–300 publications: 113 scientists 301–310 publications: 102 scientists 311–320 publications: 100 scientists 321–330 publications: 76 scientists 331–340 publications: 92 scientists 341–350 publications: 85 scientists 351–360 publications: 69 scientists 361–370 publications: 71 scientists 371–380 publications: 63 scientists 381–390 publications: 58 scientists 391–400 publications: 57 scientists 401–410 publications: 43 scientists 411–420 publications: 33 scientists 421–430 publications: 50 scientists 431–440 publications: 41 scientists 441–450 publications: 32 scientists 451–460 publications: 27 scientists 461–470 publications: 28 scientists 471–480 publications: 25 scientists 481–490 publications: 28 scientists 491–500 publications: 20 scientists 501–510 publications: 23 scientists 511–520 publications: 26 scientists 521–530 publications: 17 scientists 531–540 publications: 21 scientists 541–550 publications: 14 scientists 551–560 publications: 16 scientists 561–570 publications: 10 scientists 571–580 publications: 22 scientists 581–590 publications: 9 scientists 591–600 publications: 14 scientists 601–610 publications: 9 scientists 611–620 publications: 11 scientists 621–630 publications: 4 scientists 631–640 publications: 7 scientists 641–650 publications: 5 scientists 651–660 publications: 10 scientists 661–670 publications: 8 scientists 671–680 publications: 8 scientists 681–690 publications: 4 scientists 691–700 publications: 3 scientists 701–704 publications: 4 scientists 705+ publications: 100 scientists
31 publications 705+

This scientist: 268 publications — 84th percentile

84% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 705 publications or more.

Manabu Ikeda D-index placement in Psychology in 2026

The chart shows the D-index (discipline H-index) distribution of Psychology scientists ranked by Research.com in 2026. The highlighted bar marks where Manabu Ikeda sits on this spectrum.

30–31 D-Index: 398 scientists 32–33 D-Index: 702 scientists 34–35 D-Index: 671 scientists 36–37 D-Index: 659 scientists 38–39 D-Index: 641 scientists 40–41 D-Index: 671 scientists 42–43 D-Index: 617 scientists 44–45 D-Index: 558 scientists 46–47 D-Index: 495 scientists 48–49 D-Index: 487 scientists 50–51 D-Index: 445 scientists 52–53 D-Index: 390 scientists 54–55 D-Index: 408 scientists 56–57 D-Index: 345 scientists 58–59 D-Index: 325 scientists 60–61 D-Index: 321 scientists 62–63 D-Index: 248 scientists 64–65 D-Index: 290 scientists 66–67 D-Index: 218 scientists 68–69 D-Index: 219 scientists 70–71 D-Index: 215 scientists 72–73 D-Index: 183 scientists 74–75 D-Index: 169 scientists 76–77 D-Index: 132 scientists 78–79 D-Index: 137 scientists 80–81 D-Index: 120 scientists 82–83 D-Index: 112 scientists 84–85 D-Index: 86 scientists 86–87 D-Index: 101 scientists 88–89 D-Index: 83 scientists 90–91 D-Index: 77 scientists 92–93 D-Index: 70 scientists 94–95 D-Index: 78 scientists 96–97 D-Index: 58 scientists 98–99 D-Index: 53 scientists 100–101 D-Index: 57 scientists 102–103 D-Index: 48 scientists 104–105 D-Index: 53 scientists 106–107 D-Index: 46 scientists 108–109 D-Index: 24 scientists 110–111 D-Index: 35 scientists 112–113 D-Index: 27 scientists 114–115 D-Index: 32 scientists 116–117 D-Index: 31 scientists 118–119 D-Index: 22 scientists 120–121 D-Index: 16 scientists 122–123 D-Index: 24 scientists 124–125 D-Index: 18 scientists 126–127 D-Index: 11 scientists 128–129 D-Index: 19 scientists 130–131 D-Index: 10 scientists 132–133 D-Index: 16 scientists 134–135 D-Index: 10 scientists 136–137 D-Index: 12 scientists 138–139 D-Index: 8 scientists 140–141 D-Index: 5 scientists 142–143 D-Index: 12 scientists 144+ D-Index: 98 scientists
30 D-Index 144+

This scientist: 53 D-Index — 59th percentile

59% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 144 D-Index or more.

Research.com Recognitions

  • 2026 - Research.com Psychology in Japan Leader Award
  • 2025 - Research.com Psychology in Japan Leader Award
  • 2023 - Research.com Psychology in Japan Leader Award
  • 2022 - Research.com Psychology in Japan Leader Award

Overview

Manabu Ikeda is affiliated with Osaka University in Japan and has a prolific record of research primarily within the field of Medicine. Their work spans several subfields including Psychiatry and Mental Health, Neurology, Cognitive Neuroscience, Physiology, and Clinical Psychology. The total number of publications attributed to these subfields reflects a broad engagement with both clinical and neurological aspects of medical research.

The scientist's research topics highlight a focus on neurodegenerative and psychiatric conditions. These include Dementia and Cognitive Impairment Research, Alzheimer's Disease research and treatments, Functional Brain Connectivity Studies, Parkinson's Disease Mechanisms and Treatments, Amyotrophic Lateral Sclerosis Research, Schizophrenia research and treatment, and EEG and Brain-Computer Interfaces. This range indicates a comprehensive engagement with disorders affecting cognitive and neurological health.

Manabu Ikeda has frequently published in several venues, with significant numbers in:

  • International Psychogeriatrics
  • Psychogeriatrics
  • Frontiers in Psychiatry
  • Scientific Reports
  • Journal of Alzheimer s Disease

Some notable recent papers include:

  • Loneliness and social isolation during the COVID-19 pandemic, 2020, International Psychogeriatrics
  • Research criteria for the diagnosis of prodromal dementia with Lewy bodies, 2020, Neurology
  • Recommendations to distinguish behavioural variant frontotemporal dementia from psychiatric disorders, 2020, Brain
  • Renal function is associated with blood neurofilament light chain level in older adults, 2020, Scientific Reports
  • Study design and baseline characteristics of a population-based prospective cohort study of dementia in Japan: the Japan Prospective Studies Collaboration for Aging and Dementia (JPSC-AD), 2020, Environmental Health and Preventive Medicine

Collaborations play an important role in Manabu Ikeda's work. Frequent coauthors include:

  • Hideki Kanemoto
  • Yuto Satake
  • Kenji Yoshiyama
  • Mamoru Hashimoto
  • Takashi Suehiro

Overall, Manabu Ikeda is involved in multidisciplinary medical research focused on neurodegenerative diseases and psychiatric disorders, contributing to highly specialized areas within medicine through cooperation with other researchers and publication in multiple well-regarded journals.

Best Publications

  • Loneliness and social isolation during the COVID-19 pandemic.

    Tzung Jeng Hwang;Kiran Rabheru;Carmelle Peisah;William Reichman

  • Research criteria for the diagnosis of prodromal dementia with Lewy bodies

    Ian G. McKeith;Tanis J. Ferman;Alan J. Thomas;Frédéric Blanc

  • Changes in appetite, food preference, and eating habits in frontotemporal dementia and Alzheimer’s disease

    M Ikeda;J Brown;A J Holland;R Fukuhara

  • Donepezil for dementia with Lewy bodies: A randomized, placebo-controlled trial

    Etsuro Mori;Manabu Ikeda;Kenji Kosaka

  • Retrosplenial cortex (BA 29/30) hypometabolism in mild cognitive impairment (prodromal Alzheimer's disease)

    P. J. Nestor;T. D. Fryer;M. Ikeda;J. R. Hodges;J. R. Hodges

  • Caregiver burden associated with behavioral and psychological symptoms of dementia in elderly people in the local community.

    Naomi Matsumoto;Manabu Ikeda;Ryuji Fukuhara;Shunichiro Shinagawa

  • Recommendations to distinguish behavioural variant frontotemporal dementia from psychiatric disorders

    Simon Ducharme;Annemiek Dols;Robert Laforce;Emma Devenney

  • Premorbid Brain Size as a Determinant of Reserve Capacity Against Intellectual Decline in Alzheimer's Disease

    Etsuro Mori;Nobutsugu Hirono;Hikari Yamashita;Toru Imamura

  • Amygdalar Volume and Emotional Memory in Alzheimer’s Disease

    Etsuro Mori;Manabu Ikeda;Nobutsugu Hirono;Hajime Kitagaki

  • Healthy and Pathological Brain Aging: From the Perspective of Oscillations, Functional Connectivity, and Signal Complexity.

    Ryouhei Ishii;Leonides Canuet;Yasunori Aoki;Masahiro Hata

  • Medial temporal structures relate to memory impairment in Alzheimer’s disease: an MRI volumetric study

    Etsuro Mori;Yukihiro Yoneda;Hikari Yamashita;Nobutsugu Hirono

  • Increased prevalence of vascular dementia in Japan : A community-based epidemiological study

    M. Ikeda;K. Hokoishi;N. Maki;A. Nebu

  • Relationship between eating disturbance and dementia severity in patients with Alzheimer's disease.

    Kyoko Kai;Mamoru Hashimoto;Koichiro Amano;Hibiki Tanaka

  • Renal function is associated with blood neurofilament light chain level in older adults.

    Shoshin Akamine;Noriko Marutani;Daisuke Kanayama;Shiho Gotoh

  • Differences of Behavioral and Psychological Symptoms of Dementia in Disease Severity in Four Major Dementias

    Hiroaki Kazui;Kenji Yoshiyama;Hideki Kanemoto;Yukiko Suzuki

  • Do family caregivers perceive more difficulty when they look after patients with early onset dementia compared to those with late onset dementia

    Asuna Arai;Teruhisa Matsumoto;Manabu Ikeda;Manabu Ikeda;Yumiko Arai

  • [Japanese version of the Neuropsychiatric Inventory--a scoring system for neuropsychiatric disturbance in dementia patients]

    Nobutsugu Hirono;Etsuro Mori;Yoshitaka Ikejiri;Toru Imamura

  • Epidemiology of frontotemporal lobar degeneration.

    Manabu Ikeda;Tomohisa Ishikawa;Hirotaka Tanabe

  • Living alone is associated with depression among the elderly in a rural community in Japan

    Ryuta Fukunaga;Yasuhisa Abe;Youichi Nakagawa;Asuka Koyama

  • Dementia associated mental and behavioural disturbances in elderly people in the community: findings from the first Nakayama study

    M Ikeda;R Fukuhara;K Shigenobu;K Hokoishi

  • Factors associated with psychotic symptoms in Alzheimer’s disease

    Nobutsugu Hirono;Etsuro Mori;Minoru Yasuda;Yoshitaka Ikejiri

Frequent Co-Authors

Hiroaki Kazui
Hiroaki Kazui Kōchi University
Etsuro Mori
Etsuro Mori Tohoku University
Ryouhei Ishii
Ryouhei Ishii Osaka Metropolitan University
Ryota Hashimoto
Ryota Hashimoto National Center of Neurology and Psychiatry
John R. Hodges
John R. Hodges University of Sydney
Masatoshi Takeda
Masatoshi Takeda Izumi University
Atsushi Yamadori
Atsushi Yamadori Tohoku University
Haruhiko Kishima
Haruhiko Kishima Osaka University
Matthew A. Lambon Ralph
Matthew A. Lambon Ralph University of Cambridge
Karalyn Patterson
Karalyn Patterson MRC Cognition and Brain Sciences Unit

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