Oleksandr Frei

12.9k total citations · 2 hit papers
102 papers, 2.9k citations indexed

About

Oleksandr Frei is a scholar working on Genetics, Molecular Biology and Cognitive Neuroscience. According to data from OpenAlex, Oleksandr Frei has authored 102 papers receiving a total of 2.9k indexed citations (citations by other indexed papers that have themselves been cited), including 80 papers in Genetics, 28 papers in Molecular Biology and 11 papers in Cognitive Neuroscience. Recurrent topics in Oleksandr Frei's work include Genetic Associations and Epidemiology (71 papers), Genetic Mapping and Diversity in Plants and Animals (18 papers) and Bioinformatics and Genomic Networks (15 papers). Oleksandr Frei is often cited by papers focused on Genetic Associations and Epidemiology (71 papers), Genetic Mapping and Diversity in Plants and Animals (18 papers) and Bioinformatics and Genomic Networks (15 papers). Oleksandr Frei collaborates with scholars based in Norway, United States and United Kingdom. Oleksandr Frei's co-authors include Ole A. Andreassen, Olav B. Smeland, Anders M. Dale, Alexey Shadrin, Srdjan Djurovic, Kevin S. O’Connell, Daniëlle Posthuma, Kyoko Watanabe, Christiaan de Leeuw and Maša Umićević Mirkov and has published in prestigious journals such as Proceedings of the National Academy of Sciences, Nature Communications and Nature Genetics.

In The Last Decade

Oleksandr Frei

95 papers receiving 2.9k 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.

A global overview of pleiotropy and genetic architecture in complex traits

2019 670 citations Kyoko Watanabe, Sven Stringer et al. Nature Genetics profile →
New insights from the last decade of research in psychiatric genetics: discoveries, challenges and clinical implications

2023 93 citations Ole A. Andreassen, Guy Hindley et al. profile →

Peers — A (Enhanced Table)

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

Name	h						Papers	Cites
Oleksandr Frei Norway	27	1.7k	824	493	389	221	102	2.9k
Andrew J. Schork United States	26	1.4k 0.8×	779 0.9×	374 0.8×	259 0.7×	143 0.6×	76	2.6k
Bradley T. Webb United States	27	1.5k 0.9×	1.2k 1.5×	435 0.9×	409 1.1×	171 0.8×	86	3.3k
Kyoko Watanabe Netherlands	16	1.9k 1.2×	1.3k 1.6×	333 0.7×	323 0.8×	258 1.2×	34	3.9k
Alexey Shadrin Norway	24	984 0.6×	538 0.7×	405 0.8×	267 0.7×	148 0.7×	102	1.9k
Saskia P. Hagenaars United Kingdom	24	955 0.6×	541 0.7×	401 0.8×	401 1.0×	423 1.9×	46	2.6k
Yunpeng Wang Norway	27	723 0.4×	611 0.7×	299 0.6×	318 0.8×	130 0.6×	105	2.1k
Sarah E. Bergen Sweden	28	1.1k 0.6×	875 1.1×	733 1.5×	493 1.3×	282 1.3×	75	3.1k
Tracey L. Petryshen United States	28	1.1k 0.7×	1.2k 1.4×	555 1.1×	637 1.6×	92 0.4×	50	3.2k
Valentina Escott‐Price United Kingdom	36	1.6k 1.0×	1.2k 1.5×	793 1.6×	374 1.0×	156 0.7×	123	3.7k
Verneri Anttila United States	18	1.9k 1.1×	764 0.9×	514 1.0×	211 0.5×	213 1.0×	30	3.2k

Countries citing papers authored by Oleksandr Frei

Since Specialization

Citations

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

Fields of papers citing papers by Oleksandr Frei

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of Oleksandr Frei

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

Karadag, Naz, Espen Hagen, Alexey Shadrin, et al.. (2024). Dissecting the Shared Genetic Architecture of Common Epilepsies With Cortical Brain Morphology. Neurology Genetics. 10(3). e200143–e200143. 2 indexed citations

Jahołkowski, Piotr, Alexey Shadrin, Svend Andersen, et al.. (2024). Incidence and Genetic Risk of Juvenile Idiopathic Arthritis in Norway by Latitude. Arthritis & Rheumatology. 77(4). 458–467. 2 indexed citations

Roelfs, Daniël, Dennis van der Meer, Dag Alnæs, et al.. (2024). Genetic overlap between multivariate measures of human functional brain connectivity and psychiatric disorders. Nature Mental Health. 2(2). 189–199. 5 indexed citations

Parker, Nadine, Weiqiu Cheng, Guy Hindley, et al.. (2023). Genetic Overlap Between Global Cortical Brain Structure, C-Reactive Protein, and White Blood Cell Counts. Biological Psychiatry. 95(1). 62–71. 10 indexed citations

Nordengen, Kaja, Chiara Cappelletti, Shahram Bahrami, et al.. (2023). Pleiotropy with sex-specific traits reveals genetic aspects of sex differences in Parkinson’s disease. Brain. 147(3). 858–870. 7 indexed citations

Leonardsen, Esten H., Didac Vidal‐Piñeiro, James M. Roe, et al.. (2023). Genetic architecture of brain age and its causal relations with brain and mental disorders. Molecular Psychiatry. 28(7). 3111–3120. 19 indexed citations

Askeland, Ragna Bugge, Laurie J. Hannigan, Kevin S. O’Connell, et al.. (2023). Developmental manifestations of polygenic risk for bipolar disorder from infancy to middle childhood. Translational Psychiatry. 13(1). 222–222.

Jahołkowski, Piotr, Guy Hindley, Alexey Shadrin, et al.. (2023). Genome-wide Association Analysis of Schizophrenia and Vitamin D Levels Shows Shared Genetic Architecture and Identifies Novel Risk Loci. Schizophrenia Bulletin. 49(6). 1654–1664. 5 indexed citations

Tesfaye, Markos, Piotr Jahołkowski, Guy Hindley, et al.. (2023). Shared genetic architecture between irritable bowel syndrome and psychiatric disorders reveals molecular pathways of the gut-brain axis. Genome Medicine. 15(1). 60–60. 23 indexed citations

10.

Rahman, Zillur, Shahram Bahrami, Guy Hindley, et al.. (2022). Shared genetic loci between depression and cardiometabolic traits. PLoS Genetics. 18(5). e1010161–e1010161. 29 indexed citations

11.

Bahrami, Shahram, Kaja Nordengen, Alexey Shadrin, et al.. (2022). Distributed genetic architecture across the hippocampal formation implies common neuropathology across brain disorders. Nature Communications. 13(1). 3436–3436. 12 indexed citations

12.

Bahrami, Shahram, Alexey Shadrin, Oleksandr Frei, et al.. (2021). Genetic loci shared between major depression and intelligence with mixed directions of effect. Nature Human Behaviour. 5(6). 795–801. 29 indexed citations

13.

Rødevand, Linn, Shahram Bahrami, Oleksandr Frei, et al.. (2021). Polygenic overlap and shared genetic loci between loneliness, severe mental disorders, and cardiovascular disease risk factors suggest shared molecular mechanisms. Translational Psychiatry. 11(1). 3–3. 38 indexed citations

14.

Gurholt, Tiril P., Tobias Kaufmann, Oleksandr Frei, et al.. (2021). Population-based body–brain mapping links brain morphology with anthropometrics and body composition. Translational Psychiatry. 11(1). 295–295. 25 indexed citations

15.

Maximov, Ivan I., Dennis van der Meer, Ann‐Marie G. de Lange, et al.. (2021). Fast qualitY conTrol meThod foR derIved diffUsion Metrics (YTTRIUM) in big data analysis: U.K. Biobank 18,608 example. Human Brain Mapping. 42(10). 3141–3155. 21 indexed citations

16.

Elvsåshagen, Torbjørn, Alexey Shadrin, Oleksandr Frei, et al.. (2021). The genetic architecture of the human thalamus and its overlap with ten common brain disorders. Nature Communications. 12(1). 2909–2909. 34 indexed citations

17.

Meer, Dennis van der, Oleksandr Frei, Tobias Kaufmann, et al.. (2020). Understanding the genetic determinants of the brain with MOSTest. Nature Communications. 11(1). 3512–3512. 86 indexed citations

18.

Holland, Dominic, Oleksandr Frei, Rahul S. Desikan, et al.. (2020). Beyond SNP heritability: Polygenicity and discoverability of phenotypes estimated with a univariate Gaussian mixture model. PLoS Genetics. 16(5). e1008612–e1008612. 104 indexed citations

19.

Watanabe, Kyoko, Sven Stringer, Oleksandr Frei, et al.. (2019). A global overview of pleiotropy and genetic architecture in complex traits. Nature Genetics. 51(9). 1339–1348. 670 indexed citations breakdown →

20.

O’Connell, Kevin S., Alexey Shadrin, Shahram Bahrami, et al.. (2019). Identification of genetic overlap and novel risk loci for attention-deficit/hyperactivity disorder and bipolar disorder. Molecular Psychiatry. 26(8). 4055–4065. 30 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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