Philipp O. Valko

3.7k total citations · 1 hit paper
73 papers, 2.4k citations indexed

About

Philipp O. Valko is a scholar working on Cognitive Neuroscience, Neurology and Epidemiology. According to data from OpenAlex, Philipp O. Valko has authored 73 papers receiving a total of 2.4k indexed citations (citations by other indexed papers that have themselves been cited), including 36 papers in Cognitive Neuroscience, 27 papers in Neurology and 23 papers in Epidemiology. Recurrent topics in Philipp O. Valko's work include Sleep and Wakefulness Research (35 papers), Sleep and related disorders (20 papers) and Parkinson's Disease Mechanisms and Treatments (18 papers). Philipp O. Valko is often cited by papers focused on Sleep and Wakefulness Research (35 papers), Sleep and related disorders (20 papers) and Parkinson's Disease Mechanisms and Treatments (18 papers). Philipp O. Valko collaborates with scholars based in Switzerland, Russia and United States. Philipp O. Valko's co-authors include Christian R. Baumann, Claudio L. Bassetti, Ulrike Held, Esther Werth, Konrad E. Bloch, Yury V. Gavrilov, Rositsa Poryazova, Thomas E. Scammell, Johannes Haybaeck and Daniel Waldvogel and has published in prestigious journals such as SHILAP Revista de lepidopterología, PLoS ONE and Neurology.

In The Last Decade

Philipp O. Valko

70 papers receiving 2.3k 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.

Validation of the Fatigue Severity Scale in a Swiss Cohort

2008 487 citations Philipp O. Valko, Claudio L. Bassetti et al. SLEEP profile →

Peers

Philipp O. Valko

CN

NEURO

ECP

EPIDE

EAS

Roberto Vetrugno Italy

Naoko Tachibana Japan

Flavia B. Consens United States

Brian B. Koo United States

Hrayr Attarian United States

Lourdes M. DelRosso United States

Marta Kamińska Canada

Alessandro Cicolin Italy

Uolevi Tolonen Finland

Paola Lanteri Italy

Roberto Vetrugno Italy

Philipp O. Valko

1.3k ×1.3

CN

919 ×1.1

NEURO

572 ×0.8

ECP

921 ×1.4

EPIDE

444 ×0.8

EAS

Citations per year, relative to Philipp O. Valko Philipp O. Valko (= 1×) peers Roberto Vetrugno

Countries citing papers authored by Philipp O. Valko

Since Specialization

Citations

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

Fields of papers citing papers by Philipp O. Valko

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Philipp O. Valko. 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 Philipp O. Valko. The network helps show where Philipp O. Valko may publish in the future.

Co-authorship network of co-authors of Philipp O. Valko

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

All Works

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20 of 20 papers shown

1.

Briel, Nils, C. Nathan Marti, Esther Werth, et al.. (2025). Sleep phenotypes of α-synucleinopathies and tauopathies with Parkinsonism. Parkinsonism & Related Disorders. 141. 108100–108100. 1 indexed citations

2.

Valko, Philipp O., et al.. (2023). How reliable is a simplified MSLT nap termination protocol?. Sleep Medicine. 109. 285–292. 2 indexed citations

3.

Valko, Philipp O., et al.. (2021). Sleep-wake misperception. A comprehensive analysis of a large sleep lab cohort. Sleep Medicine. 88. 96–103. 27 indexed citations

4.

Schreiner, Philipp, Jean‐Benoît Rossel, Luc Biedermann, et al.. (2020). Fatigue in inflammatory bowel disease and its impact on daily activities. Alimentary Pharmacology & Therapeutics. 53(1). 138–149. 38 indexed citations

5.

Gavrilov, Yury V., et al.. (2020). Diagnosis of sleepiness, fatigue and depression in patients with myasthenia gravis. SHILAP Revista de lepidopterología. 10(4). 27–37.

6.

Meskenaïte, Virginia, et al.. (2019). PRESERVED NUMBER OF OREXIN NEURONS IN POSTMORTEM HYPOTHALAMIC TISSUE OF CHRONIC ALCOHOLICS. Medical academic journal. 19(1S). 91–92. 1 indexed citations

7.

Imbach, Lukas, Raquel N. Taddei, Esther Werth, et al.. (2017). Optimizing MSLT Specificity in Narcolepsy With Cataplexy. SLEEP. 40(12). 28 indexed citations

8.

Valko, Philipp O., Yury V. Gavrilov, Mihoko Yamamoto, et al.. (2016). Damage to Arousal-Promoting Brainstem Neurons with Traumatic Brain Injury. SLEEP. 39(6). 1249–1252. 34 indexed citations

9.

Sommerauer, Michael, et al.. (2014). Revisiting the impact of REM sleep behavior disorder on motor progression in Parkinson's disease. Parkinsonism & Related Disorders. 20(4). 460–462. 22 indexed citations

10.

Gavrilov, Yury V. & Philipp O. Valko. (2014). Ivan M. Sechenov (1829–1905). Journal of Neurology. 262(2). 495–497. 1 indexed citations

11.

Valko, Philipp O., et al.. (2014). Prevalence and predictors of fatigue in glioblastoma: a prospective study. Neuro-Oncology. 17(2). 274–281. 48 indexed citations

12.

Valko, Yulia, Esther Werth, Christopher J. Bockisch, Philipp O. Valko, & Konrad P. Weber. (2014). Polysomnography reveals nystagmus from benign paroxysmal positional vertigo. Sleep Medicine. 15(7). 840–842. 1 indexed citations

13.

Valko, Philipp O., et al.. (2014). Observations on Sleep-Disordered Breathing in Idiopathic Parkinson’s Disease. PLoS ONE. 9(6). e100828–e100828. 37 indexed citations

14.

Valko, Philipp O., et al.. (2012). Heart rate variability in patients with idiopathic Parkinson’s disease with and without obstructive sleep apnea syndrome. Parkinsonism & Related Disorders. 18(5). 525–531. 20 indexed citations

15.

Sarıkaya, Hakan, Andrea Fischer, Philipp O. Valko, et al.. (2011). CT-based intravenous thrombolysis 3-4·5 hours after acute ischemic stroke in clinical practice. Neurological Research. 33(7). 701–707. 3 indexed citations

16.

Valko, Philipp O., Daniel Waldvogel, Michael Weller, et al.. (2010). Fatigue and excessive daytime sleepiness in idiopathic Parkinson’s disease differently correlate with motor symptoms, depression and dopaminergic treatment. European Journal of Neurology. 17(12). 1428–1436. 83 indexed citations

17.

Mondadori, Christian R.A., et al.. (2010). Cerebellum and Source Memory. European Neurology. 63(4). 234–236. 9 indexed citations

18.

Georgiadis, Dimitrios, Marcel Arnold, Philipp O. Valko, et al.. (2009). Aspirin vs anticoagulation in carotid artery dissection. Neurology. 72(21). 1810–1815. 109 indexed citations

19.

Georgiadis, Dimitrios, H.‐Christian von Büdingen, Philipp O. Valko, et al.. (2008). Intravenous thrombolysis in stroke patients with hyperdense middle cerebral artery sign. European Journal of Neurology. 16(2). 162–167. 8 indexed citations

20.

Valko, Philipp O., et al.. (2006). Severe large bowel obstruction secondary to infection with Actinomyces israelii. Scandinavian Journal of Infectious Diseases. 38(3). 231–234. 10 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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