Håkan Nyman

2.3k total citations · 1 hit paper
32 papers, 1.7k citations indexed

About

Håkan Nyman is a scholar working on Psychiatry and Mental health, Clinical Psychology and Cognitive Neuroscience. According to data from OpenAlex, Håkan Nyman has authored 32 papers receiving a total of 1.7k indexed citations (citations by other indexed papers that have themselves been cited), including 19 papers in Psychiatry and Mental health, 8 papers in Clinical Psychology and 7 papers in Cognitive Neuroscience. Recurrent topics in Håkan Nyman's work include Schizophrenia research and treatment (8 papers), Obsessive-Compulsive Spectrum Disorders (7 papers) and Functional Brain Connectivity Studies (6 papers). Håkan Nyman is often cited by papers focused on Schizophrenia research and treatment (8 papers), Obsessive-Compulsive Spectrum Disorders (7 papers) and Functional Brain Connectivity Studies (6 papers). Håkan Nyman collaborates with scholars based in Sweden, Norway and United States. Håkan Nyman's co-authors include Lena Kilander, Hans Lithell, Merike Boberg, Lennart Hansson, Per Mindus, Björn A. Meyerson, Gunnar Edman, Bertil Andrén, Lars Lind and Pär Svanborg and has published in prestigious journals such as American Journal of Psychiatry, Stroke and Hypertension.

In The Last Decade

Håkan Nyman

32 papers receiving 1.6k 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.

Hypertension Is Related to Cognitive Impairment

1998 511 citations Lena Kilander, Håkan Nyman et al. profile →

Peers

Håkan Nyman

PMH

CCM

NEURO

Heike Wersching Germany

Charlotte L. Allan United Kingdom

Risto Vataja Finland

Christine Norra Germany

Björn Mårtensson Sweden

P.J. Houx Netherlands

Jennifer S. Rabin Canada

Elizabeth C. Leritz United States

Franco Giubilei Italy

Katherine A. Gifford United States

Heike Wersching Germany

Håkan Nyman

284 ×0.4

PMH

487 ×1.1

CCM

359 ×1.0

163 ×0.5

368 ×1.6

NEURO

Citations per year, relative to Håkan Nyman Håkan Nyman (= 1×) peers Heike Wersching

Countries citing papers authored by Håkan Nyman

Since Specialization

Citations

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

Fields of papers citing papers by Håkan Nyman

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of Håkan Nyman

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

Nyman, Håkan, et al.. (2017). Cognitive function following head CT in childhood: a randomized controlled follow-up trial. Acta Radiologica. 59(2). 221–228. 5 indexed citations

Söderman, Erik, et al.. (2012). Neurocognitive function in long-term treated schizophrenia: A five-year follow-up study. Psychiatry Research. 200(2-3). 144–152. 24 indexed citations

Hedayati, Elham, et al.. (2012). Cognitive, psychosocial, somatic and treatment factors predicting return to work after breast cancer treatment. Scandinavian Journal of Caring Sciences. 27(2). 380–387. 26 indexed citations

Hedayati, Elham, et al.. (2011). The effects of breast cancer diagnosis and surgery on cognitive functions. Acta Oncologica. 50(7). 1027–1036. 19 indexed citations

Hedayati, Elham, et al.. (2011). Effects of adjuvant treatment on cognitive function in women with early breast cancer. European Journal of Oncology Nursing. 16(3). 315–322. 41 indexed citations

Hartberg, Cecilie B., Glenn Lawyer, Håkan Nyman, et al.. (2010). Investigating relationships between cortical thickness and cognitive performance in patients with schizophrenia and healthy adults. Psychiatry Research Neuroimaging. 182(2). 123–133. 71 indexed citations

Mattsson, Maria, Lena Flyckt, Gunnar Edman, et al.. (2007). Gender differences in the prediction of 5‐year outcome in first episode psychosis. International Journal of Methods in Psychiatric Research. 16(4). 208–218. 13 indexed citations

Nyman, Håkan, et al.. (2006). Cognitive function after on or off pump coronary artery bypass grafting. European Journal of Cardio-Thoracic Surgery. 30(2). 305–310. 34 indexed citations

Carlsson, Rickard, et al.. (2005). Neuropsychological functions predict 1‐ and 3‐year outcome in first‐episode psychosis. Acta Psychiatrica Scandinavica. 113(2). 102–111. 54 indexed citations

10.

Wiesel, F.‐A., Gunnar Edman, Lena Flyckt, et al.. (2004). Kinetics of tyrosine transport and cognitive functioning in schizophrenia. Schizophrenia Research. 74(1). 81–89. 21 indexed citations

11.

Rück, Christian, Sergej Andréewitch, Gunnar Edman, et al.. (2003). Capsulotomy for Refractory Anxiety Disorders: Long-Term Follow-Up of 26 Patients. American Journal of Psychiatry. 160(3). 513–521. 65 indexed citations

12.

Ösby, Urban, et al.. (1999). Stability of performance on neuropsychological tests in patients with schizophrenia. European Archives of Psychiatry and Clinical Neuroscience. 249(6). 299–304. 9 indexed citations

13.

Kilander, Lena, Håkan Nyman, Mikael Boberg, & Hans Lithell. (1997). Cognitive function, vascular risk factors and education. A cross‐sectional study based on a cohort of 70‐year‐old men. Journal of Internal Medicine. 242(4). 313–321. 66 indexed citations

14.

Jönsson, Erik G., C. Härnryd, Jan Wahlström, et al.. (1997). Further studies on a male monozygotic triplet with schizophrenia: cytogenetical and neurobiological assessments in the patients and their parents. European Archives of Psychiatry and Clinical Neuroscience. 247(5). 239–247. 3 indexed citations

15.

Nyman, Håkan, et al.. (1995). A set of male monozygotic triplets with schizophrenic psychoses: nature or nurture?. European Archives of Psychiatry and Clinical Neuroscience. 245(1). 1–7. 2 indexed citations

16.

Nyman, Håkan & Per Mindus. (1995). Neuropsychological correlates of intractable anxiety disorder before and after capsulotomy. Acta Psychiatrica Scandinavica. 91(1). 23–31. 27 indexed citations

17.

Mindus, Per, et al.. (1990). Frontal lobe and basal ganglia metabolism studied with PET in patients with incapacitating obsessive-compulsive disorder undergoing capsulotomy. Nordisk Psykiatrisk Tidsskrift. 44(3). 309–312. 11 indexed citations

18.

Mindus, Per, et al.. (1988). Aspects of Personality in Patients with Anxiety Disorders Undergoing Capsulotomy. PubMed. 44. 138–144. 19 indexed citations

19.

Johansson, Christer, Ronny Lorentzon, Sigbritt Rasmuson, et al.. (1988). Peak torque and OBLA running capacity in male orienteers. Acta Physiologica Scandinavica. 132(4). 525–530. 11 indexed citations

20.

Nybäck, Henrik, Håkan Nyman, & Daisy Schalling. (1987). Neuropsychological test performance and CSF levels of monoamine metabolites in healthy volunteers and patients with Alzheimer's dementia. Acta Psychiatrica Scandinavica. 76(6). 648–656. 12 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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