Ralph Kupka

19.6k total citations · 1 hit paper
210 papers, 10.1k citations indexed

About

Ralph Kupka is a scholar working on Psychiatry and Mental health, Clinical Psychology and Speech and Hearing. According to data from OpenAlex, Ralph Kupka has authored 210 papers receiving a total of 10.1k indexed citations (citations by other indexed papers that have themselves been cited), including 191 papers in Psychiatry and Mental health, 74 papers in Clinical Psychology and 56 papers in Speech and Hearing. Recurrent topics in Ralph Kupka's work include Bipolar Disorder and Treatment (186 papers), Schizophrenia research and treatment (57 papers) and Adolescent and Pediatric Healthcare (56 papers). Ralph Kupka is often cited by papers focused on Bipolar Disorder and Treatment (186 papers), Schizophrenia research and treatment (57 papers) and Adolescent and Pediatric Healthcare (56 papers). Ralph Kupka collaborates with scholars based in Netherlands, United States and Germany. Ralph Kupka's co-authors include Willem A. Nolen, Gabriele S. Leverich, Robert M. Post, Lori L. Altshuler, Susan L. McElroy, Mark A. Frye, Paul E. Keck, Trisha Suppes, Kirk D. Denicoff and Heinz Grunze and has published in prestigious journals such as PLoS ONE, American Journal of Psychiatry and Biological Psychiatry.

In The Last Decade

Ralph Kupka

200 papers receiving 9.7k 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.

Axis I Psychiatric Comorbidity and Its Relationship to Historical Illness Variables in 288 Patients With Bipolar Disorder

2001 539 citations S L McElroy, Trisha Suppes et al. profile →

Peers — A (Enhanced Table)

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

Name	h						Papers	Cites
Ralph Kupka Netherlands	54	8.4k	2.9k	1.4k	1.2k	1.2k	210	10.1k
Francesc Colom Spain	60	10.3k 1.2×	3.5k 1.2×	1.4k 1.0×	1.2k 1.0×	923 0.8×	199	11.9k
Gabriele S. Leverich United States	58	10.1k 1.2×	3.1k 1.1×	1.4k 1.0×	1.6k 1.4×	997 0.8×	133	11.5k
José Sánchez‐Moreno Spain	54	8.6k 1.0×	2.4k 0.8×	1.1k 0.8×	954 0.8×	931 0.8×	131	9.8k
Heinz Grunze Germany	57	9.8k 1.2×	2.1k 0.7×	1.0k 0.7×	1.9k 1.6×	1.2k 1.0×	299	12.6k
Roy H. Perlis United States	57	10.3k 1.2×	3.0k 1.1×	934 0.7×	1.9k 1.6×	862 0.7×	148	12.3k
Anabel Martínez‐Arán Spain	65	12.1k 1.4×	3.3k 1.2×	1.6k 1.2×	1.1k 0.9×	1.2k 1.0×	204	13.7k
Carla Torrent Spain	53	8.6k 1.0×	2.3k 0.8×	1.2k 0.8×	830 0.7×	846 0.7×	150	9.7k
María Reinares Spain	53	7.6k 0.9×	2.3k 0.8×	1.1k 0.8×	697 0.6×	736 0.6×	112	8.4k
Leonardo Tondo United States	56	6.4k 0.8×	3.0k 1.0×	576 0.4×	1.4k 1.1×	673 0.6×	182	8.2k
Benjamin I. Goldstein Canada	54	7.0k 0.8×	3.9k 1.4×	2.1k 1.5×	411 0.3×	1.4k 1.2×	316	10.6k

Countries citing papers authored by Ralph Kupka

Since Specialization

Citations

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

Fields of papers citing papers by Ralph Kupka

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of Ralph Kupka

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

Beunders, Alexandra J.M., Nicole Korten, Mariska Bot, et al.. (2025). Physical multimorbidity is not independently associated with cognitive performance in patients with older-age bipolar disorder (OABD). International Psychogeriatrics. 37(5). 100070–100070.

Koenders, M. A., et al.. (2024). How to study psychological mechanisms of mania? A systematic review on the methodology of experimental studies on manic mood dysregulation of leading theories on bipolar disorder. Bipolar Disorders. 26(7). 646–660. 2 indexed citations

Chrispijn, Melissa, et al.. (2024). Borderline personality features in relationship to childhood trauma in unipolar depressive and bipolar disorders. Journal of Affective Disorders. 363. 358–364.

Korten, Nicole, Ralph Kupka, Max L. Stek, et al.. (2023). Feasibility and Acceptability of Group Interpersonal and Social Rhythm Therapy for Recurrent Mood Disorders: A Pilot Study. American Journal of Psychotherapy. 77(1). 1–6. 4 indexed citations

Regeer, Eline J., et al.. (2023). Do you feel up when you go up? A pilot study of a virtual reality manic‐like mood induction paradigm. British Journal of Clinical Psychology. 63(1). 105–117. 1 indexed citations

Kupka, Ralph & Manon H. J. Hillegers. (2022). Early intervention and staging bipolar disorder: Conceptual and clinical dilemmas. European Neuropsychopharmacology. 63. 9–11. 6 indexed citations

Kelders, Saskia M., et al.. (2022). A Web-Based Positive Psychology App for Patients With Bipolar Disorder: Development Study. JMIR Formative Research. 6(9). e39476–e39476. 1 indexed citations

Stevens, Anja, Stasja Draisma, Peter J. J. Goossens, et al.. (2021). The course of bipolar disorder in pregnant versus non-pregnant women. International Journal of Bipolar Disorders. 9(1). 35–35. 2 indexed citations

Maciejewski, Dominique, et al.. (2020). Guideline concordance and outcome in long-term naturalistic treatment of bipolar disorder - a one-year longitudinal study using latent change models. Journal of Affective Disorders. 283. 395–401. 2 indexed citations

10.

Klumpers, Ursula M. H., et al.. (2019). Combined oral anticonceptives and the pill‐free week in two bipolar patients treated with lamotrigine. Bipolar Disorders. 21(4). 380–382.

11.

Luijtgaarden, Moniek W.M. van de, Erwin G. Th. M. Hartong, Koen P. Grootens, et al.. (2019). Renal concentrating ability and glomerular filtration rate in lithium-treated patients.. PubMed. 77(4). 139–149. 8 indexed citations

12.

Post, Robert M., Gabriele S. Leverich, Susan L. McElroy, et al.. (2018). Prevalence of axis II comorbidities in bipolar disorder: relationship to mood state. Bipolar Disorders. 20(4). 303–312. 13 indexed citations

13.

Klumpers, Ursula M. H., Stasja Draisma, Annemiek Dols, et al.. (2018). Testing a clinical staging model for bipolar disorder using longitudinal life chart data. Bipolar Disorders. 21(3). 228–234. 24 indexed citations

14.

Post, Robert M., Lori L. Altshuler, Ralph Kupka, et al.. (2018). Multigenerational transmission of liability to psychiatric illness in offspring of parents with bipolar disorder. Bipolar Disorders. 20(5). 432–440. 13 indexed citations

15.

Suppes, Trisha, Gerhard Hellemann, Susan L. McElroy, et al.. (2014). Mixed Depression in the Stanley Foundation Bipolar Treatment Network: Prevalence Rate and Clinical Correlates During Naturalistic Follow Up. Biological Psychiatry. 2 indexed citations

16.

Boschloo, Lynn, Annet T. Spijker, Erik Hoencamp, et al.. (2014). Predictors of the Onset of Manic Symptoms and a (Hypo)Manic Episode in Patients with Major Depressive Disorder. PLoS ONE. 9(9). e106871–e106871. 22 indexed citations

17.

Boschloo, Lynn, Willem A. Nolen, Annet T. Spijker, et al.. (2013). The Mood Disorder Questionnaire (MDQ) for detecting (hypo)manic episodes: Its validity and impact of recall bias. Journal of Affective Disorders. 151(1). 203–208. 27 indexed citations

18.

Leverich, Gabriele S., Robert M. Post, Paul E. Keck, et al.. (2007). The Poor Prognosis of Childhood-Onset Bipolar Disorder. The Journal of Pediatrics. 150(5). 485–490. 172 indexed citations

19.

McElroy, Susan L., Trisha Suppes, Paul E. Keck, et al.. (2005). Open-Label Adjunctive Zonisamide in the Treatment of Bipolar Disorders. The Journal of Clinical Psychiatry. 66(5). 617–624. 53 indexed citations

20.

Rm, Post, L. Altshuler, Willem A. Nolen, et al.. (2004). Switch rate on venlafaxine compared with bupropion and sertraline. Data Archiving and Networked Services (DANS). 2 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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