Ivan Hideyo Okamoto

3.0k total citations · 1 hit paper
16 papers, 2.3k citations indexed

About

Ivan Hideyo Okamoto is a scholar working on Psychiatry and Mental health, Neurology and Molecular Biology. According to data from OpenAlex, Ivan Hideyo Okamoto has authored 16 papers receiving a total of 2.3k indexed citations (citations by other indexed papers that have themselves been cited), including 7 papers in Psychiatry and Mental health, 3 papers in Neurology and 2 papers in Molecular Biology. Recurrent topics in Ivan Hideyo Okamoto's work include Dementia and Cognitive Impairment Research (6 papers), Ginkgo biloba and Cashew Applications (2 papers) and Cerebrovascular and genetic disorders (2 papers). Ivan Hideyo Okamoto is often cited by papers focused on Dementia and Cognitive Impairment Research (6 papers), Ginkgo biloba and Cashew Applications (2 papers) and Cerebrovascular and genetic disorders (2 papers). Ivan Hideyo Okamoto collaborates with scholars based in Brazil, France and Belgium. Ivan Hideyo Okamoto's co-authors include Paulo Henrique Ferreira Bertolucci, Sônia Maria Dozzi Brucki, Paulo Caramelli, Ricardo Nitríni, Rodrigo Rizek Schultz, Maria Teresa Carthery‐Goulart, Renata Areza‐Fegyveres, Yára Juliano, Neil Ferreira Novo and Charles André and has published in prestigious journals such as Journal of Alzheimer s Disease, Nutrition Journal and Arquivos de Neuro-Psiquiatria.

In The Last Decade

Ivan Hideyo Okamoto

13 papers receiving 2.2k citations

Hit Papers

Sugestões para o uso do mini-exame do estado mental no Br... 2003 2026 2010 2018 2003 500 1000 1.5k
What are hit papers?

Hit papers significantly outperform the citation benchmark for their cohort. A paper qualifies if it has ≥500 total citations, achieves ≥1.5× the top-1% citation threshold for papers in the same subfield and year (this is the minimum needed to enter the top 1%, not the average within it), or reaches the top citation threshold in at least one of its specific research topics.

  1. Sugestões para o uso do mini-exame do estado mental no Brasil
    2003 1.7k citations Sônia Maria Dozzi Brucki, Ricardo Nitríni et al. Arquivos de Neuro-Psiquiatria profile →

Peers — A (Enhanced Table)

Peers by citation overlap · career bar shows stage (early→late) cites · hero ref

Name h Career Trend Papers Cites
Ivan Hideyo Okamoto Brazil 9 1.1k 454 400 363 301 16 2.3k
Helena Chui United States 19 1.4k 1.3× 711 1.6× 450 1.1× 322 0.9× 153 0.5× 28 3.5k
Laura Eggermont Netherlands 27 1.1k 1.0× 547 1.2× 299 0.7× 269 0.7× 596 2.0× 47 2.6k
Knut Laake Norway 24 911 0.9× 209 0.5× 351 0.9× 308 0.8× 371 1.2× 50 2.7k
D. William Molloy Ireland 16 1.1k 1.1× 402 0.9× 167 0.4× 698 1.9× 109 0.4× 33 2.7k
Asmus Vogel Denmark 30 1.5k 1.4× 363 0.8× 610 1.5× 368 1.0× 61 0.2× 80 2.3k
Elizabeth R. Skidmore United States 30 997 0.9× 163 0.4× 503 1.3× 333 0.9× 266 0.9× 149 3.1k
Louise Allan United Kingdom 36 1.6k 1.5× 680 1.5× 565 1.4× 442 1.2× 350 1.2× 129 4.2k
Arthur Peck United States 4 953 0.9× 305 0.7× 263 0.7× 558 1.5× 158 0.5× 5 2.7k
Joyce M. Engel United States 28 1.2k 1.2× 252 0.6× 338 0.8× 208 0.6× 139 0.5× 86 2.6k
Benson M. Hoffman United States 26 886 0.8× 913 2.0× 560 1.4× 376 1.0× 96 0.3× 49 4.2k

Countries citing papers authored by Ivan Hideyo Okamoto

Since Specialization
Citations

This map shows the geographic impact of Ivan Hideyo Okamoto's research. It shows the number of citations coming from papers published by authors working in each country. You can also color the map by specialization and compare the number of citations received by Ivan Hideyo Okamoto with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites Ivan Hideyo Okamoto more than expected).

Fields of papers citing papers by Ivan Hideyo Okamoto

Since Specialization
Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Ivan Hideyo Okamoto. Nodes represent research fields, and links connect fields that are likely to share authors. Colored nodes show fields that tend to cite the papers produced by Ivan Hideyo Okamoto. The network helps show where Ivan Hideyo Okamoto may publish in the future.

Co-authorship network of co-authors of Ivan Hideyo Okamoto

This figure shows the co-authorship network connecting the top 25 collaborators of Ivan Hideyo Okamoto. A scholar is included among the top collaborators of Ivan Hideyo Okamoto based on the total number of citations received by their joint publications. Widths of edges represent the number of papers authors have co-authored together. Node borders signify the number of papers an author published with Ivan Hideyo Okamoto. Ivan Hideyo Okamoto is excluded from the visualization to improve readability, since they are connected to all nodes in the network.

All Works

16 of 16 papers shown
1.
Okamoto, Ivan Hideyo. (2019). Encefalopatia Espongiforme Sub-aguda. Revista Neurociências. 12(1). 21–23.
2.
Engelhardt, Eliasz, et al.. (2011). Demência vascular Critérios diagnósticos e exames complementares. Dementia & Neuropsychologia. 5(1). 49–77. 7 indexed citations
3.
Juliano, Yára, et al.. (2011). A prospective study of nutrition education and oral nutritional supplementation in patients with Alzheimer's disease. Nutrition Journal. 10(1). 98–98. 51 indexed citations
4.
5.
6.
Carthery‐Goulart, Maria Teresa, Renata Areza‐Fegyveres, Rodrigo Rizek Schultz, et al.. (2007). Adaptação transcultural da escala de avaliação de incapacidade em demência (Disability Assessment For Dementia - DAD). Arquivos de Neuro-Psiquiatria. 65(3b). 916–919. 27 indexed citations
7.
Carthery‐Goulart, Maria Teresa, Renata Areza‐Fegyveres, Rodrigo Rizek Schultz, et al.. (2007). Versão brasileira da Escala Cornell de depressão em demência (Cornell depression scale in dementia). Arquivos de Neuro-Psiquiatria. 65(3b). 912–915. 68 indexed citations
8.
9.
Bertolucci, Paulo Henrique Ferreira, et al.. (2004). Permanent global amnesia: case report.. PubMed. 27(2). 101–6.
10.
Sperança, Márcia Aparecida, Roger Willian de Lábio, Carlos A. Peres, et al.. (2004). Apolipoprotein E4 allele and ribosomal genes in Alzheimer's disease. Journal of Alzheimer s Disease. 6(4). 391–395. 5 indexed citations
11.
Brucki, Sônia Maria Dozzi, Ricardo Nitríni, Paulo Caramelli, Paulo Henrique Ferreira Bertolucci, & Ivan Hideyo Okamoto. (2003). Sugestões para o uso do mini-exame do estado mental no Brasil. Arquivos de Neuro-Psiquiatria. 61(3B). 777–781. 1724 indexed citations breakdown →
12.
Brucki, Sônia Maria Dozzi, Ricardo Nitríni, Paulo Henrique Ferreira Bertolucci, Paulo Caramelli, & Ivan Hideyo Okamoto. (2002). Normas sugeridas para o uso do mini-exame do estado mental (MEM) em nosso meio. Arquivos de Neuro-Psiquiatria. 60. 46–47. 4 indexed citations
13.
Bertolucci, Paulo Henrique Ferreira, et al.. (2001). Applicability of the CERAD neuropsychological battery to Brazilian elderly. Arquivos de Neuro-Psiquiatria. 59(3A). 532–536. 213 indexed citations
14.
Okamoto, Ivan Hideyo, et al.. (1998). Exame Neuropsicológico no Diagnóstico Diferencial das Demências Primárias. Revista Neurociências. 6(3). 119–125.
15.
Brucki, Sônia Maria Dozzi, et al.. (1997). Dados normativos para o teste de fluência verbal categoria animais em nosso meio. Arquivos de Neuro-Psiquiatria. 55(1). 56–61. 182 indexed citations
16.
Sezai, Yukiyasu, et al.. (1984). Hemodynamic and hemolytic features of the St. Jude Medical valve prostheses.. PubMed. 25(1). 16–24. 10 indexed citations

Rankless uses publication and citation data sourced from OpenAlex, an open and comprehensive bibliographic database. While OpenAlex provides broad and valuable coverage of the global research landscape, it—like all bibliographic datasets—has inherent limitations. These include incomplete records, variations in author disambiguation, differences in journal indexing, and delays in data updates. As a result, some metrics and network relationships displayed in Rankless may not fully capture the entirety of a scholar's output or impact.

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