Katja Stefan

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

About

Katja Stefan is a scholar working on Neurology, Cognitive Neuroscience and Cellular and Molecular Neuroscience. According to data from OpenAlex, Katja Stefan has authored 14 papers receiving a total of 2.3k indexed citations (citations by other indexed papers that have themselves been cited), including 10 papers in Neurology, 9 papers in Cognitive Neuroscience and 4 papers in Cellular and Molecular Neuroscience. Recurrent topics in Katja Stefan's work include Transcranial Magnetic Stimulation Studies (9 papers), Motor Control and Adaptation (4 papers) and EEG and Brain-Computer Interfaces (3 papers). Katja Stefan is often cited by papers focused on Transcranial Magnetic Stimulation Studies (9 papers), Motor Control and Adaptation (4 papers) and EEG and Brain-Computer Interfaces (3 papers). Katja Stefan collaborates with scholars based in Germany and United States. Katja Stefan's co-authors include Joseph Claßen, Leonardo G. Cohen, E. Kunesch, Matthias Wycislo, Reiner Benecke, Friedhelm Sandbrink, Alexander Wolters, Pablo Celnik, Julie Duqué and A. Schlottmann and has published in prestigious journals such as Journal of Neuroscience, NeuroImage and The Journal of Physiology.

In The Last Decade

Katja Stefan

14 papers receiving 2.3k citations

Hit Papers

Mechanisms of enhancement of human motor cortex excitabil... 2002 2026 2010 2018 2002 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. Mechanisms of enhancement of human motor cortex excitability induced by interventional paired associative stimulation
    2002 509 citations Katja Stefan, E. Kunesch et al. The Journal of Physiology profile →

Peers — A (Enhanced Table)

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

Name h Career Trend Papers Cites
Katja Stefan Germany 11 1.6k 1.3k 578 372 357 14 2.3k
Wolf Muellbacher United States 16 1.9k 1.2× 1.8k 1.4× 935 1.6× 232 0.6× 282 0.8× 22 2.9k
Claude Tomberg Belgium 15 2.2k 1.4× 2.3k 1.8× 711 1.2× 289 0.8× 320 0.9× 37 3.7k
Leonardo Cohen United States 10 1.3k 0.8× 1.9k 1.4× 580 1.0× 183 0.5× 314 0.9× 11 2.6k
Ángel Cammarota Argentina 21 1.2k 0.8× 1.2k 0.9× 665 1.2× 281 0.8× 575 1.6× 43 2.8k
L. G. Cohen United States 14 2.3k 1.4× 2.0k 1.6× 575 1.0× 224 0.6× 382 1.1× 20 3.4k
Michael A. Dimyan United States 17 1.0k 0.6× 2.1k 1.6× 678 1.2× 418 1.1× 620 1.7× 24 3.1k
Roland Sparing Germany 30 1.8k 1.1× 2.2k 1.7× 358 0.6× 376 1.0× 198 0.6× 61 3.1k
Jan Nilsson Italy 21 1.4k 0.9× 1.0k 0.8× 684 1.2× 181 0.5× 478 1.3× 32 2.3k
J. G. Keating United States 13 1.2k 0.8× 1.7k 1.4× 431 0.7× 550 1.5× 586 1.6× 14 2.7k
Marcela Panizza Italy 19 1.4k 0.9× 983 0.8× 645 1.1× 168 0.5× 471 1.3× 35 2.2k

Countries citing papers authored by Katja Stefan

Since Specialization
Citations

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

Fields of papers citing papers by Katja Stefan

Since Specialization
Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of Katja Stefan

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

All Works

14 of 14 papers shown
1.
Claßen, Joseph & Katja Stefan. (2012). Changes in TMS Measures induced by repetitive TMS. Oxford University Press eBooks. 6 indexed citations
2.
Stefan, Katja, et al.. (2007). Theta-burst stimulation: Remote physiological and local behavioral after-effects. NeuroImage. 40(1). 265–274. 74 indexed citations
3.
Wolters, Alexander, Axel Schramm, Katja Stefan, et al.. (2006). Weise, D. et al. The two sides of associative plasticity in writer's cramp. Brain 129, 2709-2721. 2 indexed citations
4.
Celnik, Pablo, Katja Stefan, Friedhelm C. Hummel, et al.. (2005). Encoding a motor memory in the older adult by action observation. NeuroImage. 29(2). 677–684. 142 indexed citations
5.
Stefan, Katja, Matthias Wycislo, R. Gentner, et al.. (2005). Temporary Occlusion of Associative Motor Cortical Plasticity by Prior Dynamic Motor Training. Cerebral Cortex. 16(3). 376–385. 188 indexed citations
6.
Stefan, Katja, Leonardo G. Cohen, Julie Duqué, et al.. (2005). Formation of a Motor Memory by Action Observation. Journal of Neuroscience. 25(41). 9339–9346. 314 indexed citations
7.
Stefan, Katja, Matthias Wycislo, & Joseph Claßen. (2004). Modulation of Associative Human Motor Cortical Plasticity by Attention. Journal of Neurophysiology. 92(1). 66–72. 380 indexed citations
8.
Claßen, Joseph, Alexander Wolters, Katja Stefan, et al.. (2004). Paired associative stimulation.. PubMed. 57. 563–9. 89 indexed citations
9.
Wolters, Alexander, Friedhelm Sandbrink, A. Schlottmann, et al.. (2003). A Temporally Asymmetric Hebbian Rule Governing Plasticity in the Human Motor Cortex. Journal of Neurophysiology. 89(5). 2339–2345. 466 indexed citations
10.
Mix, Eilhard, Katja Stefan, Thomas Klauer, et al.. (2003). Lymphocyte Subpopulations, Oxidative Burst and Apoptosis in Peripheral Blood Cells of Patients with Multiple Sclerosis–Effect of Interferon-β. Autoimmunity. 36(5). 291–305. 13 indexed citations
11.
Stefan, Katja, E. Kunesch, Reiner Benecke, Leonardo G. Cohen, & Joseph Claßen. (2002). Mechanisms of enhancement of human motor cortex excitability induced by interventional paired associative stimulation. The Journal of Physiology. 543(2). 699–708. 509 indexed citations breakdown →
12.
Stefan, Katja, E. Kunesch, R. Benecke, Leonardo G. Cohen, & Joseph Claßen. (2002). Stefan K, Kunesch E, Benecke R, Cohen LG, Classen J. Mechanisms of enhancement of human motor cortex excitability induced by interventional paired associative stimulation. J Physiol 543(Pt 2): 699-708. 40 indexed citations
13.
Stefan, Katja, E. Kunesch, R. Benecke, & Joseph Claßen. (2001). Effects of riluzole on cortical excitability in patients with amyotrophic lateral sclerosis. Annals of Neurology. 49(4). 536–539. 3 indexed citations
14.
Stefan, Katja, E. Kunesch, R. Benecke, & Joseph Claßen. (2001). Effects of riluzole on cortical excitability in patients with amyotrophic lateral sclerosis. Annals of Neurology. 49(4). 536–539. 70 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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