Genko Oyama

2.9k total citations
114 papers, 1.8k citations indexed

About

Genko Oyama is a scholar working on Neurology, Cellular and Molecular Neuroscience and Neurology. According to data from OpenAlex, Genko Oyama has authored 114 papers receiving a total of 1.8k indexed citations (citations by other indexed papers that have themselves been cited), including 100 papers in Neurology, 34 papers in Cellular and Molecular Neuroscience and 13 papers in Neurology. Recurrent topics in Genko Oyama's work include Parkinson's Disease Mechanisms and Treatments (81 papers), Neurological disorders and treatments (76 papers) and Genetic Neurodegenerative Diseases (25 papers). Genko Oyama is often cited by papers focused on Parkinson's Disease Mechanisms and Treatments (81 papers), Neurological disorders and treatments (76 papers) and Genetic Neurodegenerative Diseases (25 papers). Genko Oyama collaborates with scholars based in Japan, United States and Canada. Genko Oyama's co-authors include Nobutaka Hattori, Michael S. Okun, Kelly D. Foote, Yasushi Shimo, Irene A. Malaty, Natlada Limotai, Atsushi Umemura, Charles E. Jacobson, Kenji Yoshimi and Taku Hatano and has published in prestigious journals such as SHILAP Revista de lepidopterología, PLoS ONE and Analytical Chemistry.

In The Last Decade

Genko Oyama

107 papers receiving 1.7k citations

Peers — A (Enhanced Table)

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

Name h Career Trend Papers Cites
Genko Oyama Japan 24 1.3k 588 222 165 164 114 1.8k
Ali Jahanshahi Netherlands 26 754 0.6× 883 1.5× 321 1.4× 379 2.3× 254 1.5× 97 1.8k
Hideki Shimazu Japan 28 551 0.4× 592 1.0× 368 1.7× 870 5.3× 201 1.2× 61 2.1k
Theresa Currier Thomas United States 25 635 0.5× 374 0.6× 175 0.8× 121 0.7× 298 1.8× 65 1.7k
Aleksandra Tomić Serbia 24 983 0.8× 278 0.5× 121 0.5× 209 1.3× 83 0.5× 82 1.7k
Laura Bonzano Italy 26 470 0.4× 242 0.4× 219 1.0× 471 2.9× 112 0.7× 69 1.9k
Benjamin Davidson Canada 22 772 0.6× 485 0.8× 299 1.3× 274 1.7× 107 0.7× 74 1.8k
Scott F. Lempka United States 24 755 0.6× 1.0k 1.7× 570 2.6× 573 3.5× 29 0.2× 71 2.0k
Christina Antke Germany 19 276 0.2× 455 0.8× 63 0.3× 215 1.3× 201 1.2× 74 1.4k
J. Luis Luján United States 16 415 0.3× 426 0.7× 122 0.5× 234 1.4× 31 0.2× 31 764
Hans‐Wilhelm Müller Germany 22 278 0.2× 462 0.8× 91 0.4× 398 2.4× 332 2.0× 69 2.0k

Countries citing papers authored by Genko Oyama

Since Specialization
Citations

This map shows the geographic impact of Genko Oyama'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 Genko Oyama with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites Genko Oyama more than expected).

Fields of papers citing papers by Genko Oyama

Since Specialization
Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Genko Oyama. 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 Genko Oyama. The network helps show where Genko Oyama may publish in the future.

Co-authorship network of co-authors of Genko Oyama

This figure shows the co-authorship network connecting the top 25 collaborators of Genko Oyama. A scholar is included among the top collaborators of Genko Oyama 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 Genko Oyama. Genko Oyama is excluded from the visualization to improve readability, since they are connected to all nodes in the network.

All Works

20 of 20 papers shown
1.
Oyama, Genko, et al.. (2026). Long-Term Mortality and 10-Year Outcomes after Subthalamic Nucleus Deep Brain Stimulation in Parkinson’s Disease. Stereotactic and Functional Neurosurgery. 1–11.
2.
Oyama, Genko, Mai Shimizu, Haruka Takeshige‐Amano, et al.. (2025). Motor and Cognitive Outcome After Subthalamic Nucleus Deep Brain Stimulation in Patients with Parkinson's Disease Harboring GBA1 Variant. Movement Disorders Clinical Practice. 1 indexed citations
3.
Oyama, Genko, et al.. (2024). A proof of concept: digital diary using 24-hour monitoring using wearable device for patients with Parkinson’s disease in nursing homes. Frontiers in Neurology. 15. 1356042–1356042. 2 indexed citations
4.
Umemura, Atsushi, Genko Oyama, Hirokazu Iwamuro, et al.. (2023). Application of current steering with MICC directional lead in STN-DBS for Parkinson’s disease. 1. 20–25. 4 indexed citations
5.
Daida, Kensuke, Manabu Funayama, Kimberley J. Billingsley, et al.. (2023). Long‐Read Sequencing Resolves a Complex Structural Variant in PRKN Parkinson's Disease. Movement Disorders. 38(12). 2249–2257. 15 indexed citations
6.
Nakamura, Ryota, Risa Nonaka, Genko Oyama, et al.. (2023). A defined method for differentiating human iPSCs into midbrain dopaminergic progenitors that safely restore motor deficits in Parkinson’s disease. Frontiers in Neuroscience. 17. 1202027–1202027. 10 indexed citations
7.
Takeshige‐Amano, Haruka, Taku Hatano, Koji Kamagata, et al.. (2022). White matter microstructures in Parkinson's disease with and without impulse control behaviors. Annals of Clinical and Translational Neurology. 9(3). 253–263. 7 indexed citations
8.
Yoshino, Hiroyo, Yuanzhe Li, Kenya Nishioka, et al.. (2022). Genotype-phenotype correlation of Parkinson's disease with PRKN variants. Neurobiology of Aging. 114. 117–128. 20 indexed citations
9.
Sato, Kazunori, Nana Izawa, Kozo Hatori, et al.. (2022). Short‐Term Motor Outcomes in Parkinson’s Disease after Subthalamic Nucleus Deep Brain Stimulation Combined with Post‐Operative Rehabilitation: A Pre‐Post Comparison Study. Parkinson s Disease. 2022(1). 8448638–8448638. 5 indexed citations
10.
Oyama, Genko & Nobutaka Hattori. (2021). New modalities and directions for dystonia care. Journal of Neural Transmission. 128(4). 559–565. 4 indexed citations
11.
Andica, Christina, Koji Kamagata, Taku Hatano, et al.. (2020). Neurocognitive and psychiatric disorders‐related axonal degeneration in Parkinson's disease. Journal of Neuroscience Research. 98(5). 936–949. 15 indexed citations
12.
Andica, Christina, Koji Kamagata, Taku Hatano, et al.. (2019). Free-Water Imaging in White and Gray Matter in Parkinson’s Disease. Cells. 8(8). 839–839. 48 indexed citations
13.
Kamagata, Koji, Christina Andica, Taku Hatano, et al.. (2019). Evaluation of white matter microstructure in patients with Parkinson’s disease using microscopic fractional anisotropy. Neuroradiology. 62(2). 197–203. 7 indexed citations
14.
Berre, Alice Le, Koji Kamagata, Yujiro Otsuka, et al.. (2019). Convolutional neural network-based segmentation can help in assessing the substantia nigra in neuromelanin MRI. Neuroradiology. 61(12). 1387–1395. 30 indexed citations
15.
Daida, Kensuke, Ryota Tanaka, Kazuo Yamashiro, et al.. (2018). The presence of cerebral microbleeds is associated with cognitive impairment in Parkinson's disease. Journal of the Neurological Sciences. 393. 39–44. 21 indexed citations
16.
Yamashiro, Kazuo, Ryota Tanaka, Yasushi Shimo, et al.. (2017). Cerebral microbleeds and blood pressure abnormalities in Parkinson's disease. eNeurologicalSci. 10. 5–11. 14 indexed citations
17.
Oyama, Genko, Kelly D. Foote, Sanjay Iyer, et al.. (2011). Unilateral GPi-DBS as a Treatment for Levodopa-Induced Respiratory Dyskinesia in Parkinson Disease. The Neurologist. 17(5). 282–285. 6 indexed citations
18.
Oyama, Genko, Kenji Yoshimi, Yong‐Ri Ren, et al.. (2010). Impaired in vivo dopamine release in parkin knockout mice. Brain Research. 1352. 214–222. 46 indexed citations
19.
Oyama, Genko, Akito Hayashi, Yoshikuni Mizuno, & Nobutaka Hattori. (2008). Mechanism and treatment of dropped head syndrome associated with parkinsonism. Parkinsonism & Related Disorders. 15(3). 181–186. 33 indexed citations
20.
Oyama, Genko, Nana Izawa, Kenji Fujishima, et al.. (2005). Fusió d’imatges de satèl·lit. Implementació en OpenEV. PubMed. 57(11). 1003–6. 2 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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