Jan Claassen

4.9k total citations · 1 hit paper
24 papers, 2.1k citations indexed

About

Jan Claassen is a scholar working on Psychiatry and Mental health, Neurology and Cellular and Molecular Neuroscience. According to data from OpenAlex, Jan Claassen has authored 24 papers receiving a total of 2.1k indexed citations (citations by other indexed papers that have themselves been cited), including 14 papers in Psychiatry and Mental health, 11 papers in Neurology and 8 papers in Cellular and Molecular Neuroscience. Recurrent topics in Jan Claassen's work include Epilepsy research and treatment (13 papers), Traumatic Brain Injury and Neurovascular Disturbances (8 papers) and EEG and Brain-Computer Interfaces (6 papers). Jan Claassen is often cited by papers focused on Epilepsy research and treatment (13 papers), Traumatic Brain Injury and Neurovascular Disturbances (8 papers) and EEG and Brain-Computer Interfaces (6 papers). Jan Claassen collaborates with scholars based in United States, Australia and Canada. Jan Claassen's co-authors include Lawrence J. Hirsch, Stephan A. Mayer, Ronald G. Emerson, Nathalie Jetté, Brandon Foreman, Peter W. Kaplan, Suzette M. LaRoche, Stephen Hantus, Nicolas Gaspard and Elizabeth E. Gerard and has published in prestigious journals such as Brain, Neurology and Critical Care Medicine.

In The Last Decade

Jan Claassen

23 papers receiving 2.1k citations

Hit Papers

align trajectories

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.

American Clinical Neurophysiology Society’s Standardized Critical Care EEG Terminology

2013 753 citations Lawrence J. Hirsch, Nathalie Jetté et al. Journal of Clinical Neurophysiology profile →

Peers — A (Enhanced Table)

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

Name	h						Papers	Cites
Jan Claassen United States	18	1.2k	722	722	703	438	24	2.1k
Elizabeth E. Gerard United States	23	1.4k 1.2×	901 1.2×	869 1.2×	526 0.7×	381 0.9×	55	2.5k
Jan Nový Switzerland	29	1.6k 1.3×	1.2k 1.6×	329 0.5×	514 0.7×	736 1.7×	110	2.7k
G. Bryan Young Canada	21	1.1k 0.9×	525 0.7×	818 1.1×	794 1.1×	476 1.1×	57	2.9k
Stephen Hantus United States	17	735 0.6×	362 0.5×	449 0.6×	541 0.8×	239 0.5×	46	1.4k
Cecil D. Hahn Canada	29	1.7k 1.4×	1.5k 2.1×	1.0k 1.4×	661 0.9×	367 0.8×	82	3.6k
Emily J. Gilmore United States	24	763 0.6×	378 0.5×	392 0.5×	976 1.4×	271 0.6×	107	2.2k
Richard P. Brenner United States	28	1.1k 0.9×	356 0.5×	1.0k 1.4×	476 0.7×	469 1.1×	58	2.3k
Brandon Foreman United States	22	528 0.4×	302 0.4×	389 0.5×	913 1.3×	372 0.8×	83	1.9k
Robert Kowalski Poland	15	579 0.5×	338 0.5×	333 0.5×	506 0.7×	182 0.4×	36	1.5k
Sarah E. Schmitt United States	14	535 0.4×	310 0.4×	365 0.5×	706 1.0×	178 0.4×	27	1.5k

Countries citing papers authored by Jan Claassen

Since Specialization

Citations

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

Fields of papers citing papers by Jan Claassen

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of Jan Claassen

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

All Works

Sort: Min cites: Since: Top N: Style:

20 of 20 papers shown

Aubinet, Charlène, Jan Claassen, Brian L. Edlow, et al.. (2025). Covert consciousness: what’s in a name?. Brain. 148(12). 4248–4252. 1 indexed citations

Poyraz, Fernanda Carvalho, Mohamed Ridha, Marialaura Simonetto, et al.. (2025). Hemoglobin Decrements are Associated with Ischemic Brain Lesions and Poor Outcomes in Patients with Intracerebral Hemorrhage. Neurocritical Care. 43(1). 168–176. 1 indexed citations

Megjhani, Murad, Yanwei Li, Ziyi Zhou, et al.. (2025). Application of a time series foundation model to noninvasively estimate intracranial pressure. Journal of Clinical Monitoring and Computing. 39(6). 1283–1292.

Claassen, Jan & Panayiotis N. Varelas. (2017). Seizures in Critical Care. Digital Access to Libraries (Université catholique de Louvain (UCL), l'Université de Namur (UNamur) and the Université Saint-Louis (USL-B)). 3 indexed citations

Foreman, Brandon, Andrew J. Westwood, Jan Claassen, & Carl W. Bazil. (2015). Sleep in the Neurological Intensive Care Unit. Journal of Clinical Neurophysiology. 32(1). 66–74. 48 indexed citations

Foreman, Brandon, Prasanna Tadi, Jan Claassen, et al.. (2015). Generalized periodic discharges and ‘triphasic waves’: A blinded evaluation of inter-rater agreement and clinical significance. Clinical Neurophysiology. 127(2). 1073–1080. 57 indexed citations

Fernandez, Andres, Hector Lantigua, Christine Lesch, et al.. (2013). High-dose midazolam infusion for refractory status epilepticus. Neurology. 82(4). 359–365. 89 indexed citations

Ong, Charlene, Emily J. Gilmore, Jan Claassen, Brandon Foreman, & Stephan A. Mayer. (2012). Impact of Prolonged Periodic Epileptiform Discharges on Coma Prognosis. Neurocritical Care. 17(1). 39–44. 31 indexed citations

Stuart, R. Morgan, Allen Waziri, David Weintraub, et al.. (2010). Intracortical EEG for the Detection of Vasospasm in Patients with Poor-Grade Subarachnoid Hemorrhage. Neurocritical Care. 13(3). 355–358. 41 indexed citations

10.

Helbok, Raimund, Pedro Kurtz, J. Michael Schmidt, et al.. (2010). Effect of mannitol on brain metabolism and tissue oxygenation in severe haemorrhagic stroke. Journal of Neurology Neurosurgery & Psychiatry. 82(4). 378–383. 23 indexed citations

11.

Hirsch, Lawrence J., et al.. (2008). Focal motor seizures induced by alerting stimuli in critically ill patients. Epilepsia. 49(6). 968–973. 31 indexed citations

12.

Carrera, Emmanuel, Jan Claassen, Mauro Oddo, et al.. (2008). Continuous Electroencephalographic Monitoring in Critically Ill Patients With Central Nervous System Infections. Archives of Neurology. 65(12). 1612–8. 93 indexed citations

13.

Claassen, Jan, Brian T. Bateman, Joshua Z. Willey, et al.. (2007). GENERALIZED CONVULSIVE STATUS EPILEPTICUS AFTER NONTRAUMATIC SUBARACHNOID HEMORRHAGE. Neurosurgery. 61(1). 60–65. 37 indexed citations

14.

Bateman, Brian T., Jan Claassen, Joshua Z. Willey, et al.. (2007). Convulsive status epilepticus after ischemic stroke and intracerebral hemorrhage: frequency, predictors, and impact on outcome in a large administrative dataset. Neurocritical Care. 7(3). 187–193. 52 indexed citations

15.

Jetté, Nathalie, Jan Claassen, Ronald G. Emerson, & Lawrence J. Hirsch. (2006). Frequency and Predictors of Nonconvulsive Seizures During Continuous Electroencephalographic Monitoring in Critically Ill Children. Archives of Neurology. 63(12). 1750–1750. 168 indexed citations

16.

Butler, Tracy, Lawrence J. Hirsch, & Jan Claassen. (2004). The hazards of lack of co-registration of ictal brain SPECT with MRI: A case report of sinusitis mimicking a brainstem seizure focus. PubMed. 4(1). 2–2. 2 indexed citations

17.

Hirsch, Lawrence J., Jan Claassen, Stephan A. Mayer, & Ronald G. Emerson. (2004). Stimulus‐induced Rhythmic, Periodic, or Ictal Discharges (SIRPIDs): A Common EEG Phenomenon in the Critically Ill. Epilepsia. 45(2). 109–123. 141 indexed citations

18.

Claassen, Jan, Lawrence J. Hirsch, & Stephan A. Mayer. (2003). Treatment of status epilepticus: a survey of neurologists. Journal of the Neurological Sciences. 211(1-2). 37–41. 93 indexed citations

19.

Claassen, Jan & Hans-Christian Hansen. (2001). Early recovery after closed traumatic head injury: Somatosensory evoked potentials and clinical findings. Critical Care Medicine. 29(3). 494–502. 26 indexed citations

20.

Claassen, Jan, et al.. (2001). Continuous EEG monitoring and midazolam infusion for refractory nonconvulsive status epilepticus. Neurology. 57(6). 1036–1042. 155 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.

Explore authors with similar magnitude of impact