Erik Johnsen

8.6k total citations · 1 hit paper
142 papers, 5.9k citations indexed

About

Erik Johnsen is a scholar working on Psychiatry and Mental health, Cognitive Neuroscience and Clinical Psychology. According to data from OpenAlex, Erik Johnsen has authored 142 papers receiving a total of 5.9k indexed citations (citations by other indexed papers that have themselves been cited), including 79 papers in Psychiatry and Mental health, 26 papers in Cognitive Neuroscience and 16 papers in Clinical Psychology. Recurrent topics in Erik Johnsen's work include Schizophrenia research and treatment (76 papers), Bipolar Disorder and Treatment (18 papers) and Functional Brain Connectivity Studies (17 papers). Erik Johnsen is often cited by papers focused on Schizophrenia research and treatment (76 papers), Bipolar Disorder and Treatment (18 papers) and Functional Brain Connectivity Studies (17 papers). Erik Johnsen collaborates with scholars based in Norway, Austria and Netherlands. Erik Johnsen's co-authors include Rune A. Kroken, Hugo A. Jørgensen, Else‐Marie Løberg, Kenneth Hugdahl, Rolf Gjestad, Tore Wentzel‐Larsen, Igne Sinkeviciute, Kristiina Kompus, Iris E. Sommer and Vidar M. Steen and has published in prestigious journals such as SHILAP Revista de lepidopterología, PLoS ONE and Scientific Reports.

In The Last Decade

Erik Johnsen

129 papers receiving 5.2k citations

Hit Papers

Richard M. Cyert & James G. March, A Behavioral Theory of... 1964 2026 1984 2005 1964 1000 2.0k 3.0k

Peers — A (Enhanced Table)

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

Name h Career Trend Papers Cites
Erik Johnsen Norway 27 2.0k 1.0k 1.0k 770 702 142 5.9k
Gareth R. Jones Canada 40 2.4k 1.2× 278 0.3× 2.8k 2.8× 879 1.1× 451 0.6× 94 9.7k
Brian T. Pentland United Kingdom 50 3.5k 1.7× 513 0.5× 2.7k 2.7× 486 0.6× 1.5k 2.1× 181 12.1k
John Rohrbaugh United States 48 1.1k 0.5× 540 0.5× 1.1k 1.1× 299 0.4× 681 1.0× 152 10.9k
Mark S. Schwartz Canada 24 1.9k 0.9× 182 0.2× 919 0.9× 828 1.1× 155 0.2× 85 4.5k
Rob Turrisi United States 44 967 0.5× 186 0.2× 817 0.8× 494 0.6× 205 0.3× 212 10.8k
Gregory M. Rose United States 55 1.6k 0.8× 166 0.2× 1.2k 1.2× 254 0.3× 270 0.4× 183 9.6k
Kerim Münir United States 35 1.0k 0.5× 1.2k 1.1× 271 0.3× 378 0.5× 139 0.2× 180 6.2k
Kevin R. Murphy United States 60 820 0.4× 4.1k 4.0× 4.4k 4.4× 654 0.8× 983 1.4× 206 15.3k
Gene A. Brewer United States 44 640 0.3× 381 0.4× 1.6k 1.6× 429 0.6× 253 0.4× 164 7.1k
Michael E. Gordon United States 27 1.1k 0.5× 135 0.1× 1.1k 1.1× 289 0.4× 191 0.3× 105 4.7k

Countries citing papers authored by Erik Johnsen

Since Specialization
Citations

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

Fields of papers citing papers by Erik Johnsen

Since Specialization
Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of Erik Johnsen

This figure shows the co-authorship network connecting the top 25 collaborators of Erik Johnsen. A scholar is included among the top collaborators of Erik Johnsen 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 Erik Johnsen. Erik Johnsen 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
3.
Johnsen, Erik, et al.. (2024). Long-term clinical recovery and treatment resistance in first-episode psychosis: a 10-year follow-up study. SHILAP Revista de lepidopterología. 10(1). 69–69. 7 indexed citations
4.
Johnsen, Erik, et al.. (2023). Dog-assisted interventions for adults diagnosed with schizophrenia and related disorders: a systematic review. Frontiers in Psychiatry. 14. 1192075–1192075. 3 indexed citations
5.
Sinkeviciute, Igne, Rolf Gjestad, Kenneth Hugdahl, et al.. (2019). Trajectories of Treatment Response in Hallucinations. Neuropsychiatry. 9(1). 2 indexed citations
6.
Lorenzo, Yolanda, Erik Johnsen, Amund Ringvold, et al.. (2013). Trypsin for Dissociation of Limbal Cells for Engineering of Grafts May Induce DNA Strand Breaks in the Harvested Cells. 1(2). 5 indexed citations
7.
Johnsen, Erik. (2005). Det danske ledelsesbarometer. 64(2). 125–127.
8.
Johnsen, Erik. (1991). Strategisk analyse og syntese. 55. 1 indexed citations
9.
Johnsen, Erik. (1964). David K. Lloyd and Myron Lipow, Reliability: management, methods, and mathematics, Prentice-Hall Space Technology Series, C. W. Besserer and I Floyd E. Nixon, Editors, Prentice-Hall, Inc., Englewood Cliffs, New Jersey, ■ 1962.. 2 indexed citations
10.
Johnsen, Erik. (1964). B. H. Arnold, Logic and Boolean Algebra, Prentice-Hall, Inc., Englewood Cliffs, N. J., 1962.. 28. 21 indexed citations
11.
Johnsen, Erik. (1964). William H. Newman and Charles E. Summer, Jr., The Process of Management Concepts, Behavior, and Practice, Pren tice-Hall, Inc., Englewood Cliffs, N. J. 1961, 675 s.. 28. 15 indexed citations
12.
Johnsen, Erik. (1963). Fred Hanssmann: Operations Research in Production and Inventory Control. John Wiley & Sons, London, 1962., 254 sider.. 27. 7 indexed citations
13.
Johnsen, Erik. (1963). Argyris, Dubin, Haire, Luce, Warner, Whyte, & Strother (ed.): Social Science Approaches to Business Behavior. The Dorsey Pres, Inc., and Richard D. Irwin, Inc., Homewood, Illinois, 1962. 183 sider, $ 5.-.. 27. 3 indexed citations
14.
Johnsen, Erik. (1962). Jay W. Forrester: Industrial Dynamics. The M. I. T. Pres. Massachusetts Intistute of Technology and John Wiley & Sons Inc. New York, 1961, 464 sider.. 26. 76 indexed citations
15.
Johnsen, Erik. (1962). Norman N. Barish: Economic Analysis for Engineering and Managerial Decision Making. McGraw-Hill House, 95, Farringdon Street, London. Pris: 76 s. 729 sider.. 26. 3 indexed citations
16.
Johnsen, Erik. (1962). William J. Baumol: Economic Theory and Operations Analysis. Prentice-Hall International Series in Management, 1961. 438 s.. 26. 10 indexed citations
17.
Johnsen, Erik. (1962). A. Charnes and W. W. Cooper: Management Models and Industrial Applications of linear Programming, Vol. I. and Vol. II, ialt 859 sider. John Wiley and Sons, Inc. London 1961. lait 183 sh/-.. 26. 36 indexed citations
18.
Johnsen, Erik. (1962). Charles C. Holt, Franco Modigliani, John F. Muth, Herbert A. Simoni: Planning Production, Inventories, and Work Force. Prentice-Hall, Inc., Englewood Cliffs. N. J., 1960. 419 sider.. 5 indexed citations
19.
Johnsen, Erik. (1958). Heiland, Robert E. & Wallace J. Richardson: Work sampling, McGraw-Hill Book Company, Inc., 1957. 243 s., 45 sh.. 22. 7 indexed citations
20.
Johnsen, Erik. (1957). Lawrence L. Vance and John Neter, Statistical Sampling for Auditors and Accountants. John Wiley & Sons, Inc., 1956. 310 sider, $ 9,00.. 21.

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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