Rikke Hilker

827 total citations · 1 hit paper
18 papers, 478 citations indexed

About

Rikke Hilker is a scholar working on Psychiatry and Mental health, Genetics and Clinical Psychology. According to data from OpenAlex, Rikke Hilker has authored 18 papers receiving a total of 478 indexed citations (citations by other indexed papers that have themselves been cited), including 15 papers in Psychiatry and Mental health, 5 papers in Genetics and 3 papers in Clinical Psychology. Recurrent topics in Rikke Hilker's work include Schizophrenia research and treatment (13 papers), Psychosomatic Disorders and Their Treatments (4 papers) and Genetic Associations and Epidemiology (3 papers). Rikke Hilker is often cited by papers focused on Schizophrenia research and treatment (13 papers), Psychosomatic Disorders and Their Treatments (4 papers) and Genetic Associations and Epidemiology (3 papers). Rikke Hilker collaborates with scholars based in Denmark, Netherlands and Australia. Rikke Hilker's co-authors include Birgitte Fagerlund, Birte Glenthøj, Merete Nordentoft, Dorte Helenius, Thomas Werge, Kaare Christensen, Axel Skytthe, Rachel M. Brouwer, Egill Rostrup and Christopher Rohde and has published in prestigious journals such as SHILAP Revista de lepidopterología, PLoS ONE and Biological Psychiatry.

In The Last Decade

Rikke Hilker

14 papers receiving 472 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.

Heritability of Schizophrenia and Schizophrenia Spectrum Based on the Nationwide Danish Twin Register

2017 345 citations Rikke Hilker, Dorte Helenius et al. Biological Psychiatry profile →

Peers — A (Enhanced Table)

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

Name	h						Papers	Cites
Rikke Hilker Denmark	9	176	175	122	98	65	18	478
April Hargreaves Ireland	13	144 0.8×	164 0.9×	152 1.2×	85 0.9×	49 0.8×	26	468
Anna Georgiades United Kingdom	10	160 0.9×	141 0.8×	241 2.0×	109 1.1×	73 1.1×	20	529
Weiqiu Cheng Norway	13	192 1.1×	101 0.6×	126 1.0×	87 0.9×	56 0.9×	29	452
Elen Russell United Kingdom	4	209 1.2×	170 1.0×	162 1.3×	104 1.1×	64 1.0×	4	542
Ferid Fathalli Canada	10	93 0.5×	231 1.3×	73 0.6×	86 0.9×	49 0.8×	11	410
Caitlin E. Carey United States	12	207 1.2×	107 0.6×	82 0.7×	206 2.1×	91 1.4×	19	534
N. Craddock United Kingdom	8	207 1.2×	255 1.5×	170 1.4×	100 1.0×	97 1.5×	15	605
Piero Venturi Italy	4	254 1.4×	254 1.5×	125 1.0×	127 1.3×	104 1.6×	7	596
María Vares Sweden	8	102 0.6×	225 1.3×	93 0.8×	124 1.3×	104 1.6×	12	542
Ney Alliey‐Rodriguez United States	13	300 1.7×	184 1.1×	208 1.7×	106 1.1×	50 0.8×	31	640

Countries citing papers authored by Rikke Hilker

Since Specialization

Citations

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

Fields of papers citing papers by Rikke Hilker

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of Rikke Hilker

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

All Works

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18 of 18 papers shown

Hilker, Rikke, et al.. (2025). Methodological challenges in using screening tools for depression in migraine: A systematic review. Cephalalgia. 45(2). 2235362691–2235362691.

Kristensen, Tina Dam, Bjørn H. Ebdrup, Gregory P. Strauss, et al.. (2025). Alleviating negative symptoms in schizophrenia using a virtual reality-based therapy targeting social reward learning (ENGAGE): Protocol for a randomised, controlled, assessor-blind pilot study. PLoS ONE. 20(10). e0331632–e0331632.

Hilker, Rikke, et al.. (2024). Motivations for and Experiences With Antipsychotic Tapering Among Patients With Schizophrenia Seeking Guided Dose Reduction. Psychiatric Services. 75(11). 1117–1124. 1 indexed citations

Hilker, Rikke, et al.. (2024). Deprescribing antipsychotics in patients with schizophrenia: findings from a specialized clinic. Psychological Medicine. 54(13). 3697–3706. 2 indexed citations

Nielsen, Mette Ødegaard, Egill Rostrup, Rikke Hilker, et al.. (2022). Reward Processing as an Indicator of Vulnerability or Compensatory Resilience in Psychoses? Results From a Twin Study. SHILAP Revista de lepidopterología. 3(1). 47–55. 5 indexed citations

Brouwer, Rachel M., Rikke Hilker, Lone Baandrup, et al.. (2021). The relative and interactive impact of multiple risk factors in schizophrenia spectrum disorders: a combined register-based and clinical twin study. Psychological Medicine. 53(4). 1266–1276. 11 indexed citations

Brouwer, Rachel M., Barbara J. Sahakian, Trevor W. Robbins, et al.. (2020). Heritability of Memory Functions and Related Brain Volumes: A Schizophrenia Spectrum Study of 214 Twins. Schizophrenia Bulletin Open. 1(1). 3 indexed citations

Brouwer, Rachel M., Christos Pantelis, Rikke Hilker, et al.. (2020). Heritability of specific cognitive functions and associations with schizophrenia spectrum disorders using CANTAB: a nation-wide twin study. Psychological Medicine. 52(6). 1101–1114. 17 indexed citations

Brouwer, Rachel M., Louise Baruël Johansen, Rikke Hilker, et al.. (2020). T60. GENETIC INFLUENCES ON MEMORY FUNCTIONS AND RELATED BRAIN STRUCTURES AND ASSOCIATIONS WITH SCHIZOPHRENIA SPECTRUM DISORDERS: A NATION-WIDE TWIN STUDY. Schizophrenia Bulletin. 46(Supplement_1). S254–S254.

10.

Broberg, Brian V., Rachel M. Brouwer, René C.W. Mandl, et al.. (2019). Heritability of Cerebral Blood Flow and the Correlation to Schizophrenia Spectrum Disorders: A Pseudo-continuous Arterial Spin Labeling Twin Study. Schizophrenia Bulletin. 45(6). 1231–1241. 14 indexed citations

11.

Brouwer, Rachel M., Christos Pantelis, Rikke Hilker, et al.. (2019). O4.6. HERITABILITY OF SPECIFIC COGNITIVE FUNCTIONS AND ASSOCIATIONS WITH SCHIZOPHRENIA SPECTRUM DISORDERS USING CANTAB: A NATION-WIDE TWIN STUDY. Schizophrenia Bulletin. 45(Supplement_2). S171–S171. 1 indexed citations

12.

Broberg, Brian V., Rachel M. Brouwer, René C.W. Mandl, et al.. (2019). S15. HERITABILITY AND CORRELATION TO SCHIZOPHRENIA SPECTRUM DISORDERS OF CEREBRAL BLOOD FLOW MEASURED BY PSEUDO-CONTINUOUS ARTERIAL SPIN LABELING IN DANISH TWINS. Schizophrenia Bulletin. 45(Supplement_2). S311–S311.

13.

Rohde, Christopher, Rikke Hilker, Dan Siskind, & Jimmi Nielsen. (2018). Real-world effectiveness of clozapine for intellectual disability: Results from a mirror-image and a reverse-mirror-image study. Journal of Psychopharmacology. 32(11). 1197–1203. 11 indexed citations

14.

Broberg, Brian V., Rachel M. Brouwer, Rikke Hilker, et al.. (2018). Heritability of cerebral glutamate levels and their association with schizophrenia spectrum disorders: a 1[H]-spectroscopy twin study. Neuropsychopharmacology. 44(3). 581–589. 21 indexed citations

15.

Hilker, Rikke, Dorte Helenius, Birgitte Fagerlund, et al.. (2017). Heritability of Schizophrenia and Schizophrenia Spectrum Based on the Nationwide Danish Twin Register. Biological Psychiatry. 83(6). 492–498. 345 indexed citations breakdown →

16.

Hilker, Rikke, Dorte Helenius, Birgitte Fagerlund, et al.. (2017). Is an Early Age at Illness Onset in Schizophrenia Associated With Increased Genetic Susceptibility? Analysis of Data From the Nationwide Danish Twin Register. EBioMedicine. 18. 320–326. 15 indexed citations

17.

Rasmussen, Hans, Vibe G. Frøkjær, Rikke Hilker, et al.. (2016). Low frontal serotonin 2A receptor binding is a state marker for schizophrenia?. European Neuropsychopharmacology. 26(7). 1248–1250. 18 indexed citations

18.

Jepsen, Jens Richardt M., Birgitte Fagerlund, Anne Katrine Pagsberg, et al.. (2009). Course of intelligence deficits in early onset, first episode schizophrenia: a controlled, 5-year longitudinal study. European Child & Adolescent Psychiatry. 19(4). 341–351. 14 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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