Harm J. Gijsman

2.1k total citations
28 papers, 1.4k citations indexed

About

Harm J. Gijsman is a scholar working on Psychiatry and Mental health, Cellular and Molecular Neuroscience and Clinical Psychology. According to data from OpenAlex, Harm J. Gijsman has authored 28 papers receiving a total of 1.4k indexed citations (citations by other indexed papers that have themselves been cited), including 14 papers in Psychiatry and Mental health, 7 papers in Cellular and Molecular Neuroscience and 7 papers in Clinical Psychology. Recurrent topics in Harm J. Gijsman's work include Schizophrenia research and treatment (11 papers), Neurotransmitter Receptor Influence on Behavior (7 papers) and Bipolar Disorder and Treatment (6 papers). Harm J. Gijsman is often cited by papers focused on Schizophrenia research and treatment (11 papers), Neurotransmitter Receptor Influence on Behavior (7 papers) and Bipolar Disorder and Treatment (6 papers). Harm J. Gijsman collaborates with scholars based in Netherlands, United Kingdom and United States. Harm J. Gijsman's co-authors include Willem A. Nolen, Guy M. Goodwin, John Geddes, Jennifer M Rendell, Adam F. Cohen, Joop van Gerven, Rik C. Schoemaker, Monique S. M. Pieters, Michel D. Ferrari and Philip J. Cowen and has published in prestigious journals such as American Journal of Psychiatry, Cochrane Database of Systematic Reviews and Pain.

In The Last Decade

Harm J. Gijsman

27 papers receiving 1.4k citations

Peers

Harm J. Gijsman
Maximilian Pilhatsch Germany
Douglas L. Boggs United States
Massimo Carlo Mauri Italy
Barbara R. Haight United States
J.C. Ballenger United States
A. Klimke Germany
Caroline Corves Germany
Harvey Sternbach United States
Emily R. Hawken Canada
Amir Englund United Kingdom
Maximilian Pilhatsch Germany
Harm J. Gijsman
Citations per year, relative to Harm J. Gijsman Harm J. Gijsman (= 1×) peers Maximilian Pilhatsch

Countries citing papers authored by Harm J. Gijsman

Since Specialization
Citations

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

Fields of papers citing papers by Harm J. Gijsman

Since Specialization
Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Harm J. Gijsman. 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 Harm J. Gijsman. The network helps show where Harm J. Gijsman may publish in the future.

Co-authorship network of co-authors of Harm J. Gijsman

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

All Works

20 of 20 papers shown
1.
IntHout, Joanna, Harm J. Gijsman, Berna Binnur Akdede, et al.. (2024). Efficacy and tolerability of antipsychotic polypharmacy for schizophrenia spectrum disorders. A systematic review and meta-analysis of individual patient data. Schizophrenia Research. 272. 1–11. 3 indexed citations
2.
3.
4.
Gijsman, Harm J., et al.. (2013). Antipsychotic polypharmacy in psychotic disorders: a critical review of neurobiology, efficacy, tolerability and cost effectiveness. Journal of Psychopharmacology. 27(4). 327–336. 69 indexed citations
5.
Maat, A. Ter, Wiepke Cahn, Harm J. Gijsman, et al.. (2013). Open, randomized trial of the effects of aripiprazole versus risperidone on social cognition in schizophrenia. European Neuropsychopharmacology. 24(4). 575–584. 29 indexed citations
6.
Licht, Rasmus Wentzer, Harm J. Gijsman, Willem A. Nolen, & Jules Angst. (2008). Are antidepressants safe in the treatment of bipolar depression? A critical evaluation of their potential risk to induce switch into mania or cycle acceleration. Acta Psychiatrica Scandinavica. 118(5). 337–346. 91 indexed citations
7.
Mäkelä, Petra, et al.. (2005). Low Doses of Δ-9 Tetrahydrocannabinol (THC) Have Divergent Effects on Short-Term Spatial Memory in Young, Healthy Adults. Neuropsychopharmacology. 31(2). 462–470. 45 indexed citations
8.
Gijsman, Harm J., John Geddes, Jennifer M Rendell, Willem A. Nolen, & Guy M. Goodwin. (2004). Antidepressants for Bipolar Depression: A Systematic Review of Randomized, Controlled Trials. American Journal of Psychiatry. 161(9). 1537–1547. 351 indexed citations
9.
Scarnà, Antonina, Harm J. Gijsman, Sarah F. B. McTavish, et al.. (2003). Effects of a branched-chain amino acid drink in mania. The British Journal of Psychiatry. 182(3). 210–213. 60 indexed citations
10.
Sharpley, Ann L., et al.. (2003). Risperidone Augmentation Decreases Rapid Eye Movement Sleep and Decreases Wake in Treatment-Resistant Depressed Patients. The Journal of Clinical Psychiatry. 64(2). 192–196. 36 indexed citations
11.
Rendell, Jennifer M, et al.. (2003). Olanzapine alone or in combination for acute mania. Cochrane Database of Systematic Reviews. 2010(1). CD004040–CD004040. 31 indexed citations
12.
Gijsman, Harm J., Joop van Gerven, Robbert J. Verkes, et al.. (2002). Saccadic peak velocity and EEG as end‐points for a serotonergic challenge test. Human Psychopharmacology Clinical and Experimental. 17(2). 83–89. 23 indexed citations
13.
Gijsman, Harm J., et al.. (2002). A dose-finding study on the effects of branch chain amino acids on surrogate markers of brain dopamine function. Psychopharmacology. 160(2). 192–197. 58 indexed citations
14.
Gijsman, Harm J., Joop van Gerven, Marieke L. de Kam, et al.. (2002). Placebo-Controlled Comparison of Three Dose-Regimens of 5-Hydroxytryptophan Challenge Test in Healthy Volunteers. Journal of Clinical Psychopharmacology. 22(2). 183–189. 36 indexed citations
15.
Verkes, Robbert J., Harm J. Gijsman, Monique S. M. Pieters, et al.. (2001). Cognitive performance and serotonergic function in users of ecstasy. Psychopharmacology. 153(2). 196–202. 179 indexed citations
16.
Gijsman, Harm J., Robbert‐Jan Verkes, Rik C. Schoemaker, et al.. (2000). Estimation of plasma serotonin using isopycnic centrifugation. Human Psychopharmacology Clinical and Experimental. 15(6). 417–421. 3 indexed citations
17.
Cath, Daniëlle C., et al.. (1999). The effect of m-CPP on tics and obsessive-compulsive phenomena in Gilles de la Tourette syndrome. Psychopharmacology. 144(2). 137–143. 15 indexed citations
18.
Verkes, Robbert‐Jan, et al.. (1999). Long-term effects of ecstasy use. European Neuropsychopharmacology. 9. 161–161. 4 indexed citations
19.
Gijsman, Harm J., Joop van Gerven, Rik C. Schoemaker, et al.. (1998). Pharmacokinetic and Pharmacodynamic Profile of Oral and Intravenous Meta-Chlorophenylpiperazine in Healthy Volunteers. Journal of Clinical Psychopharmacology. 18(4). 289–295. 64 indexed citations
20.
May, Arne, Harm J. Gijsman, Andreas Wallnöfer, et al.. (1996). Endothelin antagonist bosentan blocks neurogenic inflammation, but is not effective in aborting migraine attacks. Pain. 67(2). 375–378. 100 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.

Explore authors with similar magnitude of impact

Breakdown of academic impact, for papers by Maximilian Pilhatsch Breakdown of academic impact, for papers by Douglas L. Boggs Breakdown of academic impact, for papers by Massimo Carlo Mauri Breakdown of academic impact, for papers by Barbara R. Haight Breakdown of academic impact, for papers by J.C. Ballenger Breakdown of academic impact, for papers by A. Klimke Breakdown of academic impact, for papers by Caroline Corves Breakdown of academic impact, for papers by Harvey Sternbach Breakdown of academic impact, for papers by Emily R. Hawken Breakdown of academic impact, for papers by Amir Englund
Rankless by CCL
2026