Roy Freeman

33.8k total citations · 8 hit papers
206 papers, 19.5k citations indexed

About

Roy Freeman is a scholar working on Neurology, Surgery and Physiology. According to data from OpenAlex, Roy Freeman has authored 206 papers receiving a total of 19.5k indexed citations (citations by other indexed papers that have themselves been cited), including 107 papers in Neurology, 76 papers in Surgery and 74 papers in Physiology. Recurrent topics in Roy Freeman's work include Botulinum Toxin and Related Neurological Disorders (71 papers), Cardiovascular Syncope and Autonomic Disorders (70 papers) and Heart Rate Variability and Autonomic Control (59 papers). Roy Freeman is often cited by papers focused on Botulinum Toxin and Related Neurological Disorders (71 papers), Cardiovascular Syncope and Autonomic Disorders (70 papers) and Heart Rate Variability and Autonomic Control (59 papers). Roy Freeman collaborates with scholars based in United States, Germany and United Kingdom. Roy Freeman's co-authors include Aaron I. Vinik, Christopher H. Gibbons, Raelene E. Maser, Andrew J.M. Boulton, Rayaz A. Malik, Braxton D. Mitchell, Dan Ziegler, Eva L. Feldman, Vera Bril and Jay M. Sosenko and has published in prestigious journals such as New England Journal of Medicine, The Lancet and JAMA.

In The Last Decade

Roy Freeman

203 papers receiving 18.7k citations

Hit Papers

Diabetic Neuropathies: Update on Definitions, Diagnostic ... 2003 2026 2010 2018 2010 2016 2017 2003 2005 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. Diabetic Neuropathies: Update on Definitions, Diagnostic Criteria, Estimation of Severity, and Treatments
    2010 1.9k citations Solomon Tesfaye, Peter James Dyck et al. profile →
  2. Diabetic Neuropathy: A Position Statement by the American Diabetes Association
    2016 1.6k citations Rodica Pop‐Busui, Roy Freeman et al. profile →
  3. Neuropathic pain
    2017 1.5k citations Luana Colloca, Didier Bouhassira et al. Nature Reviews Disease Primers profile →
  4. Diabetic Autonomic Neuropathy
    2003 1.4k citations Aaron I. Vinik, Roy Freeman et al. profile →
  5. Diabetic Neuropathies
    2005 1.4k citations Roy Freeman, Dan Ziegler et al. profile →
  6. Neuropathic pain: an updated grading system for research and clinical practice
    2016 846 citations Nanna Brix Finnerup, Simon Haroutounian et al. Pain profile →
  7. Cardiovascular autonomic neuropathy in diabetes: clinical impact, assessment, diagnosis, and management
    2011 648 citations Vincenza Spallone, Dan Ziegler et al. Diabetes/Metabolism Research and Reviews profile →
  8. The recommendations of a consensus panel for the screening, diagnosis, and treatment of neurogenic orthostatic hypotension and associated supine hypertension
    2017 268 citations Christopher H. Gibbons, Roy Freeman 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
Roy Freeman United States 62 8.4k 6.9k 5.8k 5.0k 2.6k 206 19.5k
Dan Ziegler Germany 68 8.0k 1.0× 5.8k 0.8× 4.8k 0.8× 2.5k 0.5× 4.0k 1.5× 274 17.9k
Rayaz A. Malik United Kingdom 76 10.3k 1.2× 6.7k 1.0× 3.2k 0.6× 2.6k 0.5× 5.1k 1.9× 548 24.8k
Aaron I. Vinik United States 76 7.4k 0.9× 7.0k 1.0× 5.1k 0.9× 5.1k 1.0× 6.2k 2.4× 420 24.1k
Phillip A. Low United States 99 11.1k 1.3× 15.8k 2.3× 8.5k 1.5× 9.8k 2.0× 2.2k 0.9× 457 35.7k
Solomon Tesfaye United Kingdom 64 7.8k 0.9× 5.4k 0.8× 2.2k 0.4× 1.6k 0.3× 3.9k 1.5× 234 14.5k
Italo Biaggioni United States 77 3.7k 0.4× 3.1k 0.5× 7.8k 1.4× 7.7k 1.6× 557 0.2× 343 18.0k
Rodica Pop‐Busui United States 58 5.0k 0.6× 3.0k 0.4× 3.5k 0.6× 2.5k 0.5× 5.1k 2.0× 228 13.6k
Vera Bril Canada 55 6.0k 0.7× 8.4k 1.2× 1.1k 0.2× 1.6k 0.3× 3.0k 1.1× 386 15.7k
Henning Andersen Denmark 60 2.5k 0.3× 3.2k 0.5× 5.2k 0.9× 2.4k 0.5× 1.5k 0.6× 322 13.4k
Anders A. F. Sima United States 66 7.4k 0.9× 4.0k 0.6× 709 0.1× 2.1k 0.4× 2.8k 1.1× 261 15.5k

Countries citing papers authored by Roy Freeman

Since Specialization
Citations

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

Fields of papers citing papers by Roy Freeman

Since Specialization
Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of Roy Freeman

This figure shows the co-authorship network connecting the top 25 collaborators of Roy Freeman. A scholar is included among the top collaborators of Roy Freeman 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 Roy Freeman. Roy Freeman 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.
Doormaal, Perry T.C. van, Simone Thomas, Senda Ajroud‐Driss, et al.. (2023). Plasma proteomic analysis on neuropathic pain in idiopathic peripheral neuropathy patients. Journal of the Peripheral Nervous System. 29(1). 88–96. 1 indexed citations
2.
Faber, Catharina G., Nadine Attal, Giuseppe Lauria, et al.. (2023). Efficacy and safety of vixotrigine in idiopathic or diabetes-associated painful small fibre neuropathy (CONVEY): a phase 2 placebo-controlled enriched-enrolment randomised withdrawal study. EClinicalMedicine. 59. 101971–101971. 13 indexed citations
3.
Forstenpointner, Julia, Igor Elman, Scott A. Holmes, et al.. (2022). The solitary nucleus connectivity to key autonomic regions in humans. European Journal of Neuroscience. 56(2). 3938–3966. 18 indexed citations
4.
Miglis, Mitchell G., Emmanuel During, Logan Schneider, et al.. (2021). Cutaneous Alpha-Synuclein is Correlated with Autonomic Impairment in Isolated REM Sleep Behavior Disorder (5128). Neurology. 96(15_supplement). 1 indexed citations
5.
Thijs, Roland D., Michele Brignole, Cristian Falup‐Pecurariu, et al.. (2021). Recommendations for tilt table testing and other provocative cardiovascular autonomic tests in conditions that may cause transient loss of consciousness. Clinical Autonomic Research. 31(3). 369–384. 52 indexed citations
6.
7.
8.
Karlsson, Páll, et al.. (2018). Structural, functional, and symptom relations in painful distal symmetric polyneuropathies: a systematic review. Pain. 160(2). 286–297. 47 indexed citations
9.
Freeman, Roy, Ahmad R. Abuzinadah, Christopher H. Gibbons, et al.. (2018). Orthostatic Hypotension. Journal of the American College of Cardiology. 72(11). 1294–1309. 168 indexed citations
10.
Colloca, Luana, Didier Bouhassira, Ralf Baron, et al.. (2017). Neuropathic pain. Nature Reviews Disease Primers. 3(1). 17002–17002. 1473 indexed citations breakdown →
11.
Finnerup, Nanna Brix, Simon Haroutounian, Peter Kamerman, et al.. (2016). Neuropathic pain: an updated grading system for research and clinical practice. Pain. 157(8). 1599–1606. 846 indexed citations breakdown →
12.
Gibbons, Christopher H. & Roy Freeman. (2015). Clinical implications of delayed orthostatic hypotension. Neurology. 85(16). 1362–1367. 103 indexed citations
13.
Spallone, Vincenza, Dan Ziegler, Roy Freeman, et al.. (2011). Cardiovascular autonomic neuropathy in diabetes: clinical impact, assessment, diagnosis, and management. Diabetes/Metabolism Research and Reviews. 27(7). 639–653. 648 indexed citations breakdown →
14.
Gibbons, Christopher H., Ben Illigens, Ningshan Wang, & Roy Freeman. (2010). Quantification of sudomotor innervation: A comparison of three methods. Muscle & Nerve. 42(1). 112–119. 69 indexed citations
15.
Gibbons, Christopher H. & Roy Freeman. (2004). The evaluation of small fiber function—autonomic and quantitative sensory testing. Neurologic Clinics. 22(3). 683–702. 19 indexed citations
16.
Freeman, Roy. (2003). Treatment of Orthostatic Hypotension. Seminars in Neurology. 23(4). 435–442. 45 indexed citations
17.
Lopez, Maria, Roy Freeman, & Donald F. Schomer. (2002). Spindle coma secondary to vasovagal syncope. Epilepsy & Behavior. 3(3). 289–291. 4 indexed citations
18.
Risk, Marcelo, Martin Berghoff, & Roy Freeman. (2002). Characterization of the Valsalva maneuver using wavelet transform. 411–414. 7 indexed citations
19.
Apfel, Stuart C., Bruce T. Adornato, Roy Freeman, et al.. (2000). Efficacy and Safety of Recombinant Human Nerve Growth Factor in Patients With Diabetic Polyneuropathy. JAMA. 284(17). 2215–2215. 274 indexed citations
20.
Cabot, Richard C., Robert E. Scully, Eugene J. Mark, et al.. (1994). Case 29-1994. New England Journal of Medicine. 331(4). 259–265. 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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