Geir Ringstad

5.7k total citations · 4 hit papers
91 papers, 3.7k citations indexed

About

Geir Ringstad is a scholar working on Cellular and Molecular Neuroscience, Neurology and Pediatrics, Perinatology and Child Health. According to data from OpenAlex, Geir Ringstad has authored 91 papers receiving a total of 3.7k indexed citations (citations by other indexed papers that have themselves been cited), including 64 papers in Cellular and Molecular Neuroscience, 46 papers in Neurology and 23 papers in Pediatrics, Perinatology and Child Health. Recurrent topics in Geir Ringstad's work include Cerebrospinal fluid and hydrocephalus (62 papers), Traumatic Brain Injury and Neurovascular Disturbances (34 papers) and Spinal Dysraphism and Malformations (21 papers). Geir Ringstad is often cited by papers focused on Cerebrospinal fluid and hydrocephalus (62 papers), Traumatic Brain Injury and Neurovascular Disturbances (34 papers) and Spinal Dysraphism and Malformations (21 papers). Geir Ringstad collaborates with scholars based in Norway, Sweden and United States. Geir Ringstad's co-authors include Per Kristian Eide, Svein Are Sirirud Vatnehol, Kent‐André Mardal, Are Hugo Pripp, Kyrre E. Emblem, Lars Magnus Valnes, Vegard Vinje, Erika Kristina Lindstrøm, Anders M. Dale and Ansgar Heck and has published in prestigious journals such as Nature Communications, PLoS ONE and Brain.

In The Last Decade

Geir Ringstad

82 papers receiving 3.6k 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.

Glymphatic MRI in idiopathic normal pressure hydrocephalus

2017 494 citations Geir Ringstad, Per Kristian Eide et al. profile →
Brain-wide glymphatic enhancement and clearance in humans assessed with MRI

2018 355 citations Geir Ringstad, Lars Magnus Valnes et al. JCI Insight profile →
Sleep deprivation impairs molecular clearance from the human brain

2020 224 citations Per Kristian Eide, Vegard Vinje et al. profile →
Cerebrospinal fluid tracer efflux to parasagittal dura in humans

2020 199 citations Geir Ringstad, Per Kristian Eide profile →

Peers — A (Enhanced Table)

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

Name	h						Papers	Cites
Geir Ringstad Norway	31	2.8k	1.7k	1.2k	830	494	91	3.7k
Humberto Mestre United States	24	3.5k 1.3×	2.1k 1.3×	1.2k 1.1×	868 1.0×	757 1.5×	36	5.1k
Benjamin A. Plog United States	14	3.1k 1.1×	2.4k 1.4×	993 0.9×	662 0.8×	560 1.1×	27	4.9k
Toshiaki Taoka Japan	43	2.7k 1.0×	2.0k 1.2×	1.2k 1.1×	1.0k 1.2×	2.3k 4.6×	212	6.1k
Noam Alperin United States	35	1.6k 0.6×	2.1k 1.3×	411 0.4×	656 0.8×	800 1.6×	133	4.1k
John D. Pickard United Kingdom	40	2.5k 0.9×	3.4k 2.0×	908 0.8×	423 0.5×	767 1.6×	154	4.8k
F. Gjerris Denmark	39	2.2k 0.8×	2.7k 1.6×	862 0.7×	452 0.5×	363 0.7×	128	4.5k
Hisashi Kawai Japan	32	1.5k 0.5×	1.1k 0.6×	663 0.6×	595 0.7×	1.3k 2.6×	127	3.9k
Takato Morioka Japan	33	1.3k 0.5×	1.1k 0.6×	682 0.6×	659 0.8×	761 1.5×	290	4.6k
Mitsunori Matsumae Japan	24	800 0.3×	940 0.6×	341 0.3×	130 0.2×	424 0.9×	142	2.3k
Donatella Tampieri Canada	37	926 0.3×	1.2k 0.7×	1.0k 0.9×	280 0.3×	387 0.8×	112	4.1k

Countries citing papers authored by Geir Ringstad

Since Specialization

Citations

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

Fields of papers citing papers by Geir Ringstad

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of Geir Ringstad

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

Valnes, Lars Magnus, et al.. (2026). When blood hits the brain: altered glymphatic and dural lymphatic function after surface bleeds. Acta Neurochirurgica. 168(1). 1 indexed citations

Pripp, Are Hugo, et al.. (2025). Cranial nerves as pathways for human cerebrospinal fluid efflux: In vivo evidence. Journal of Cerebral Blood Flow & Metabolism. 271678X251386232–271678X251386232.

Storås, Tryggve Holck, et al.. (2025). T2 ‐Weighted T1 Mapping and Automated Segmentation of CSF : Assessment of Solute Gradients in the Healthy Brain. Journal of Magnetic Resonance Imaging.

Skattør, Thor Håkon, Atle Bjørnerud, Terje Nome, et al.. (2025). Predicting lesion reversal in acute cerebral ischaemia via apparent diffusion coefficient threshold on diffusion-weighted MRI. European Radiology. 36(3). 1733–1743. 1 indexed citations

Osch, Matthias J.P. van, Anders Wåhlin, Lydiane Hirschler, et al.. (2024). Human brain clearance imaging: Pathways taken by magnetic resonance imaging contrast agents after administration in cerebrospinal fluid and blood. NMR in Biomedicine. 37(9). e5159–e5159. 23 indexed citations

Eide, Per Kristian, et al.. (2024). Significant individual variation in cardiac-cycle-linked cerebrospinal fluid production following subarachnoid hemorrhage. Fluids and Barriers of the CNS. 21(1). 85–85. 4 indexed citations

Eide, Per Kristian & Geir Ringstad. (2024). Glymphatic-stagnated edema induced by traumatic brain injury. Trends in Pharmacological Sciences. 45(5). 388–390. 11 indexed citations

Eide, Per Kristian, Are Hugo Pripp, Lars Magnus Valnes, et al.. (2023). Mechanisms behind changes of neurodegeneration biomarkers in plasma induced by sleep deprivation. Brain Communications. 5(6). 13 indexed citations

Valnes, Lars Magnus, et al.. (2023). Prospective Safety Study of Intrathecal Gadobutrol in Different Doses. American Journal of Neuroradiology. 44(5). 511–516. 13 indexed citations

10.

Vinje, Vegard, et al.. (2023). Human brain solute transport quantified by glymphatic MRI-informed biophysics during sleep and sleep deprivation. Fluids and Barriers of the CNS. 20(1). 62–62. 41 indexed citations

11.

Eide, Per Kristian, Espen Mariussen, Hilde Thelle Uggerud, et al.. (2021). Clinical application of intrathecal gadobutrol for assessment of cerebrospinal fluid tracer clearance to blood. JCI Insight. 6(9). 46 indexed citations

12.

Eide, Per Kristian & Geir Ringstad. (2021). Cerebrospinal fluid egress to human parasagittal dura and the impact of sleep deprivation. Brain Research. 1772. 147669–147669. 30 indexed citations

13.

Lindstrøm, Erika Kristina, Geir Ringstad, Angelika Sorteberg, et al.. (2018). Magnitude and direction of aqueductal cerebrospinal fluid flow: large variations in patients with intracranial aneurysms with or without a previous subarachnoid hemorrhage. Acta Neurochirurgica. 161(2). 247–256. 11 indexed citations

14.

Zucknick, Manuela, et al.. (2017). Early postoperative growth in non-functioning pituitary adenomas; A tool to tailor safe follow-up. Endocrine. 57(1). 35–45. 9 indexed citations

15.

Langtangen, Hans Petter, et al.. (2016). Computational Investigation of Cerebrospinal Fluid Dynamics in the Posterior Cranial Fossa and Cervical Subarachnoid Space in Patients with Chiari I Malformation. PLoS ONE. 11(10). e0162938–e0162938. 11 indexed citations

16.

Eide, Per Kristian & Geir Ringstad. (2016). Results of surgery in symptomatic non-hydrocephalic pineal cysts: role of magnetic resonance imaging biomarkers indicative of central venous hypertension. Acta Neurochirurgica. 159(2). 349–361. 25 indexed citations

17.

Eide, Per Kristian & Geir Ringstad. (2016). Increased pulsatile intracranial pressure in patients with symptomatic pineal cysts and magnetic resonance imaging biomarkers indicative of central venous hypertension. Journal of the Neurological Sciences. 367. 247–255. 22 indexed citations

18.

Sandell, Tiril, Geir Ringstad, & Per Kristian Eide. (2014). Usefulness of the endoscope in microvascular decompression for trigeminal neuralgia and MRI-based prediction of the need for endoscopy. Acta Neurochirurgica. 156(10). 1901–1909. 15 indexed citations

19.

Heck, Ansgar, Geir Ringstad, Stine Lyngvi Fougner, et al.. (2011). Intensity of pituitary adenoma on T2‐weighted magnetic resonance imaging predicts the response to octreotide treatment in newly diagnosed acromegaly. Clinical Endocrinology. 77(1). 72–78. 115 indexed citations

20.

Heck, Ansgar, Geir Ringstad, Stine Lyngvi Fougner, et al.. (2011). The value of T2 weighted MR-imaging for stratification to medical therapy in newly diagnosed acromegaly. 26.

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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