Rajeev Kumar

7.3k total citations · 1 hit paper
109 papers, 4.7k citations indexed

About

Rajeev Kumar is a scholar working on Neurology, Psychiatry and Mental health and Clinical Psychology. According to data from OpenAlex, Rajeev Kumar has authored 109 papers receiving a total of 4.7k indexed citations (citations by other indexed papers that have themselves been cited), including 41 papers in Neurology, 18 papers in Psychiatry and Mental health and 17 papers in Clinical Psychology. Recurrent topics in Rajeev Kumar's work include Neurological disorders and treatments (26 papers), Parkinson's Disease Mechanisms and Treatments (25 papers) and Dementia and Cognitive Impairment Research (12 papers). Rajeev Kumar is often cited by papers focused on Neurological disorders and treatments (26 papers), Parkinson's Disease Mechanisms and Treatments (25 papers) and Dementia and Cognitive Impairment Research (12 papers). Rajeev Kumar collaborates with scholars based in Australia, United States and Canada. Rajeev Kumar's co-authors include Anthony E. Lang, Andrés M. Lozano, Perminder S. Sachdev, Elspeth Sime, William D. Hutchison, E. Halket, Yun Joong Kim, Kaarin J. Anstey, Helen Christensen and Anthony F. Jorm and has published in prestigious journals such as SHILAP Revista de lepidopterología, PLoS ONE and NeuroImage.

In The Last Decade

Rajeev Kumar

102 papers receiving 4.6k citations

Hit Papers

Double-blind evaluation of subthalamic nucleus deep brain... 1998 2026 2007 2016 1998 100 200 300 400 500
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. Double-blind evaluation of subthalamic nucleus deep brain stimulation in advanced Parkinson's disease
    1998 502 citations Rajeev Kumar, Andrés M. Lozano et al. profile →

Peers — A (Enhanced Table)

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

Name h Career Trend Papers Cites
Rajeev Kumar Australia 40 2.7k 1.4k 683 655 458 109 4.7k
Elan D. Louis United States 49 4.1k 1.5× 1.5k 1.1× 1.1k 1.6× 610 0.9× 909 2.0× 135 6.9k
Félix Bermejo‐Pareja Spain 45 2.8k 1.0× 1.4k 1.0× 1.4k 2.0× 417 0.6× 675 1.5× 155 6.1k
Nicola Vanacore Italy 39 1.4k 0.5× 702 0.5× 1.9k 2.8× 487 0.7× 580 1.3× 259 5.6k
Allison W. Willis United States 30 2.3k 0.9× 552 0.4× 643 0.9× 273 0.4× 400 0.9× 137 4.0k
Ian Mitchell United Kingdom 44 2.1k 0.8× 2.5k 1.8× 263 0.4× 331 0.5× 941 2.1× 134 5.6k
Paul Cosyns Belgium 41 1.3k 0.5× 738 0.5× 1.2k 1.7× 669 1.0× 617 1.3× 130 6.2k
Diane B. Miller United States 48 954 0.4× 2.3k 1.7× 663 1.0× 1.5k 2.3× 391 0.9× 151 8.5k
Bonnie Levin United States 34 1.4k 0.5× 536 0.4× 1.2k 1.8× 298 0.5× 1.4k 3.0× 126 4.0k
James C. Vickers Australia 51 1.2k 0.5× 2.3k 1.7× 962 1.4× 1.1k 1.7× 800 1.7× 255 7.7k
Susan Spear Bassett United States 33 748 0.3× 1.0k 0.7× 1.1k 1.6× 385 0.6× 858 1.9× 66 4.8k

Countries citing papers authored by Rajeev Kumar

Since Specialization
Citations

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

Fields of papers citing papers by Rajeev Kumar

Since Specialization
Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of Rajeev Kumar

This figure shows the co-authorship network connecting the top 25 collaborators of Rajeev Kumar. A scholar is included among the top collaborators of Rajeev Kumar 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 Rajeev Kumar. Rajeev Kumar 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.
2.
Kumar, Rajeev, et al.. (2024). Underutilization of Injectable Parkinson's Disease Medication: An Analysis of Neurologist and Patient Perspectives. Movement Disorders Clinical Practice. 11(12). 1571–1575. 1 indexed citations
3.
Kumar, Rajeev, et al.. (2021). Qatar Healthcare Workers' COVID-19 Vaccine Hesitancy and Attitudes: A National Cross-Sectional Survey. Frontiers in Public Health. 9. 727748–727748. 29 indexed citations
4.
Kumar, Rahul, et al.. (2020). Impact of Pesticide Toxicity in Aquatic Environment. Biointerface Research in Applied Chemistry. 11(3). 10131–10140. 85 indexed citations
5.
Ng, Tze Pin, et al.. (2020). Collaborative care for primary care treatment of late‐life depression in Singapore: Randomized controlled trial. International Journal of Geriatric Psychiatry. 35(10). 1171–1180. 7 indexed citations
6.
Kumar, Rajeev, et al.. (2020). Sociodemographic and clinical characteristics of patients with recurrent psychiatric readmissions in Qatar. Journal of International Medical Research. 48(12). 1220776934–1220776934. 8 indexed citations
7.
Kumar, Rajeev, et al.. (2020). An Efficient Content, Collaborative – Based and Hybrid Approach for Movie Recommendation Engine. International Journal of Trend in Scientific Research and Development. 2 indexed citations
8.
Pitcher, Tony J., et al.. (2018). Herring supports Northeast Pacific predators and fisheries: Insights from ecosystem modelling and management strategy evaluation. PLoS ONE. 13(7). e0196307–e0196307. 23 indexed citations
9.
Kumar, Rajeev. (2016). Police and Human Rights. International Journal of Engineering and Management Research. 6(2). 872–874.
10.
Kumar, Rajeev. (2011). Implications of “Energy Poverty “of the poor in India. DukeSpace (Duke University). 1 indexed citations
11.
Broekman, Birit F.P., Matthew Niti, Ma Shwe Zin Nyunt, et al.. (2010). Validation of a Brief Seven-Item Response Bias-Free Geriatric Depression Scale. American Journal of Geriatric Psychiatry. 19(6). 589–596. 17 indexed citations
12.
Kumar, Rajeev, et al.. (2009). Plasma Estradiol concentrations during prepartum vaginal prolapse in buffaloes. The Indian Journal of Animal Sciences. 79(10). 1001–1003.
13.
Tang, Bor Luen & Rajeev Kumar. (2008). Biomarkers of Mild Cognitive Impairment and Alzheimer’s Disease. Annals of the Academy of Medicine Singapore. 37(5). 406–410. 23 indexed citations
14.
Broekman, Birit F.P., Mathew Niti, Aizhen Jin, et al.. (2007). Differential item functioning of the Geriatric Depression Scale in an Asian population. Journal of Affective Disorders. 108(3). 285–290. 47 indexed citations
15.
Kern, Drew S. & Rajeev Kumar. (2007). Deep Brain Stimulation. The Neurologist. 13(5). 237–252. 63 indexed citations
16.
Kumar, Rajeev, Anthony F. Jorm, Ruth Parslow, & Perminder S. Sachdev. (2006). Depression in mild cognitive impairment in a community sample of individuals 60-64 years old. International Psychogeriatrics. 18(3). 471–480. 40 indexed citations
17.
Nagarajan, Lakshmi, et al.. (2006). Urolithiasis in dogs: clinical, biochemical and haematological evaluation. Indian Journal of Veterinary Surgery. 27(2). 128–128. 2 indexed citations
18.
Krack, Paul, et al.. (2001). Mirthful laughter induced by subthalamic nucleus stimulation. Movement Disorders. 16(5). 867–875. 219 indexed citations
19.
Trépanier, Lisa L., Rajeev Kumar, Andrés M. Lozano, Anthony E. Lang, & Jean A. Saint‐Cyr. (2000). Neuropsychological Outcome of GPi Pallidotomy and GPi or STN Deep Brain Stimulation in Parkinson's Disease. Brain and Cognition. 42(3). 324–347. 183 indexed citations
20.
Kumar, Rajeev, et al.. (1990). Haematological investigations in buffaloes from birth to sexual maturity.. The Indian Veterinary Journal. 67(4). 311–314. 5 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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