L. Symon

23.0k total citations · 3 hit papers
302 papers, 17.1k citations indexed

About

L. Symon is a scholar working on Neurology, Cellular and Molecular Neuroscience and Epidemiology. According to data from OpenAlex, L. Symon has authored 302 papers receiving a total of 17.1k indexed citations (citations by other indexed papers that have themselves been cited), including 158 papers in Neurology, 85 papers in Cellular and Molecular Neuroscience and 68 papers in Epidemiology. Recurrent topics in L. Symon's work include Traumatic Brain Injury and Neurovascular Disturbances (94 papers), Intracranial Aneurysms: Treatment and Complications (51 papers) and Meningioma and schwannoma management (45 papers). L. Symon is often cited by papers focused on Traumatic Brain Injury and Neurovascular Disturbances (94 papers), Intracranial Aneurysms: Treatment and Complications (51 papers) and Meningioma and schwannoma management (45 papers). L. Symon collaborates with scholars based in United Kingdom, United States and Belgium. L. Symon's co-authors include Neil M. Branston, Jens Astrup, Bo K. Siesjö, R W Russell, G. H. du Boulay, John Marshall, L. D. Iliff, V. L. McAllister, Vladimir Hachinski and Nicholas W.C. Dorsch and has published in prestigious journals such as The Lancet, Brain and Neurology.

In The Last Decade

L. Symon

299 papers receiving 15.6k citations

Hit Papers

align trajectories sort by overperformance

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.

Cerebral Blood Flow in Dementia

1975 2.5k citations G. H. du Boulay, John Marshall et al. profile →
Thresholds in cerebral ischemia - the ischemic penumbra.

1981 2.0k citations L. Symon et al. profile →
Cortical evoked potential and extracellular K+ and H+ at critical levels of brain ischemia.

1977 790 citations L. Symon, Neil M. Branston et al. profile →

Author Peers

Peers are selected by citation overlap in the author's most active subfields. citations · hero ref

Author						Papers	Cites
L. Symon	7.7k	4.2k	3.5k	2.7k	2.3k	302	17.1k
Niels A. Lassen	8.1k 1.1×	3.0k 0.7×	2.3k 0.7×	2.6k 1.0×	1.6k 0.7×	305	22.5k
H. Richard Winn	8.3k 1.1×	3.7k 0.9×	2.3k 0.7×	2.5k 0.9×	920 0.4×	262	16.1k
John Stirling Meyer	5.1k 0.7×	2.5k 0.6×	1.4k 0.4×	802 0.3×	2.1k 0.9×	349	13.0k
Donald D. Heistad	4.4k 0.6×	2.2k 0.5×	2.3k 0.7×	3.6k 1.3×	2.3k 1.0×	460	25.5k
Wolf‐Dieter Heiss	4.1k 0.5×	4.3k 1.0×	2.2k 0.6×	467 0.2×	2.3k 1.0×	281	13.8k
Fredric B. Meyer	5.8k 0.8×	3.2k 0.7×	3.1k 0.9×	2.6k 1.0×	504 0.2×	366	15.3k
Stefan Schwab	8.5k 1.1×	7.4k 1.8×	2.3k 0.7×	945 0.4×	2.3k 1.0×	448	18.1k
Didier Leys	7.1k 0.9×	7.1k 1.7×	860 0.2×	1.6k 0.6×	3.5k 1.5×	437	20.2k
Donna M. Ferriero	3.6k 0.5×	3.5k 0.8×	2.8k 0.8×	869 0.3×	2.4k 1.0×	338	28.0k
Donald P. Becker	11.4k 1.5×	5.2k 1.2×	3.2k 0.9×	1.8k 0.7×	434 0.2×	152	15.7k

Countries citing papers authored by L. Symon

Since Specialization

Citations

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

Fields of papers citing papers by L. Symon

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of L. Symon

This figure shows the co-authorship network connecting the top 25 collaborators of L. Symon. A scholar is included among the top collaborators of L. Symon 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 L. Symon. L. Symon 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

Lassen, Niels A., et al.. (1986). Pénombre et ischémie cérébrale. 1 indexed citations

Symon, L., et al.. (1986). Posterior fossa ependymomas in adults. Acta Neurochirurgica. 82(3-4). 115–117. 18 indexed citations

Criscuolo, Gregory R. & L. Symon. (1986). Intraventricular meningioma. Acta Neurochirurgica. 83(3-4). 83–91. 82 indexed citations

Symon, L., et al.. (1986). The use of brainstem auditory evoked potentials during posterior fossa surgery as a monitor of brainstem function. Acta Neurochirurgica. 82(3-4). 128–136. 9 indexed citations

Symon, L., et al.. (1985). Colloid cysts of the third ventricle a review of 36 cases. Acta Neurochirurgica. 76(3-4). 99–104. 55 indexed citations

Jabre, Anthony, et al.. (1985). A comparative study of the portable regional CBF monitor and the portable mean hemispheral CBF monitor: Advantages and disadvantages in clinical practice. Acta Neurochirurgica. 77(3-4). 142–145. 2 indexed citations

Jabre, Anthony, et al.. (1985). Mean hemispheral cerebral blood flow changes after craniotomy. Significance and prognostic value. Acta Neurochirurgica. 78(1-2). 13–20. 8 indexed citations

Symon, L.. (1985). European Association of Neurosurgical Societies fifth European lecture Barcelona, February 24, 1984. Acta Neurochirurgica. 77(1-2). 1–7. 12 indexed citations

Symon, L., et al.. (1985). The management of cerebral arteriovenous malformations. Acta Neurochirurgica. 74(1-2). 4–11. 50 indexed citations

10.

Symon, L.. (1983). Microsurgery of the hypothalamus with special reference to craniopharyngioma. Neurosurgical Review. 6(2). 43–49. 13 indexed citations

11.

Symon, L., et al.. (1983). The results of anterior cervical fusion in cervical spondylosis. Acta Neurochirurgica. 68(3-4). 277–288. 19 indexed citations

12.

Symon, L. & S. R. Mohanty. (1982). Haemorrhage in pituitary tumours. Acta Neurochirurgica. 65(1-2). 41–49. 44 indexed citations

13.

Symon, L., Robert J. Harris, & Neil M. Branston. (1982). Calcium ions and calcium antagonists in ischaemia. Acta Neurochirurgica. 63(1-4). 267–275. 18 indexed citations

14.

Symon, L.. (1982). Perspectives in aneurysm surgery. Acta Neurochirurgica. 63(1-4). 5–13. 8 indexed citations

15.

Nelson, Robert F., G. H. du Boulay, John Marshall, et al.. (1980). Cerebral Blood Flow Studies in Patients with Cluster Headache. Headache The Journal of Head and Face Pain. 20(4). 184–189. 37 indexed citations

16.

Jakubowski, Jan, B. E. Kendall, & L. Symon. (1980). Primary plasmocytomas of the cranial vault. Acta Neurochirurgica. 55(1-2). 117–134. 13 indexed citations

17.

Symon, L.. (1979). Management of aneurysmal subarachnoid hemorrhage.. Munich Personal RePEc Archive (Ludwig Maximilian University of Munich). 25. 301–4. 2 indexed citations

18.

Symon, L.. (1978). Disordered cerebro-vascular physiology in aneurysmal subarachnoid haemorrhage. Acta Neurochirurgica. 41(1-3). 7–22. 71 indexed citations

19.

Erdohazi, Magda, et al.. (1978). Extradural haemangiolipoma in the spinal canal. Two cases presenting during pregnancy. Acta Neurochirurgica. 45(1-2). 187–193. 26 indexed citations

20.

Hope, Daniel & L. Symon. (1978). Metastasis of carcinoma to meningioma. Acta Neurochirurgica. 40(3-4). 307–313. 31 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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