Heidi Ormstad

2.6k total citations · 1 hit paper
48 papers, 1.9k citations indexed

About

Heidi Ormstad is a scholar working on Psychiatry and Mental health, Biological Psychiatry and Pathology and Forensic Medicine. According to data from OpenAlex, Heidi Ormstad has authored 48 papers receiving a total of 1.9k indexed citations (citations by other indexed papers that have themselves been cited), including 12 papers in Psychiatry and Mental health, 10 papers in Biological Psychiatry and 7 papers in Pathology and Forensic Medicine. Recurrent topics in Heidi Ormstad's work include Tryptophan and brain disorders (10 papers), Stroke Rehabilitation and Recovery (6 papers) and Air Quality and Health Impacts (5 papers). Heidi Ormstad is often cited by papers focused on Tryptophan and brain disorders (10 papers), Stroke Rehabilitation and Recovery (6 papers) and Air Quality and Health Impacts (5 papers). Heidi Ormstad collaborates with scholars based in Norway, Belgium and Sweden. Heidi Ormstad's co-authors include Leiv Sandvik, Hans Christian D. Aass, Karl-Friedrich Amthor, Grethe Eilertsen, Robert Verkerk, Johan Dahl, Ole A. Andreassen, Ulrik Fredrik Malt, Pernille Thingstad and Lena Brundin and has published in prestigious journals such as SHILAP Revista de lepidopterología, The Science of The Total Environment and Journal of Neurology Neurosurgery & Psychiatry.

In The Last Decade

Heidi Ormstad

46 papers receiving 1.9k 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.

Associations between gait speed and well‐known fall risk factors among community‐dwelling older adults

2018 193 citations Pernille Thingstad, Leiv Sandvik et al. Physiotherapy Research International profile →

Peers — A (Enhanced Table)

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

Name	h						Papers	Cites
Heidi Ormstad Norway	26	473	451	298	292	264	48	1.9k
Vanessa Amaral Mendonça Brazil	27	268 0.6×	352 0.8×	150 0.5×	229 0.8×	183 0.7×	151	2.3k
Mei‐Hua Huang United States	27	135 0.3×	391 0.9×	213 0.7×	203 0.7×	183 0.7×	67	3.6k
Julie Lasselin Sweden	25	527 1.1×	311 0.7×	491 1.6×	148 0.5×	167 0.6×	50	2.0k
Olivier Beauchet France	30	205 0.4×	686 1.5×	223 0.7×	79 0.3×	80 0.3×	50	2.9k
Xiancang Ma China	27	354 0.7×	297 0.7×	210 0.7×	106 0.4×	195 0.7×	111	2.3k
Heike Wersching Germany	28	154 0.3×	284 0.6×	116 0.4×	275 0.9×	562 2.1×	52	2.2k
Olga J.G. Schiepers Netherlands	13	616 1.3×	568 1.3×	509 1.7×	225 0.8×	80 0.3×	18	2.0k
Barry E. Hurwitz United States	24	45 0.1×	315 0.7×	210 0.7×	172 0.6×	151 0.6×	91	2.1k
Marc Combrinck United Kingdom	24	173 0.4×	482 1.1×	217 0.7×	375 1.3×	125 0.5×	38	2.1k
Shawn G. Rhind Canada	33	122 0.3×	145 0.3×	154 0.5×	103 0.4×	801 3.0×	126	3.4k

Countries citing papers authored by Heidi Ormstad

Since Specialization

Citations

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

Fields of papers citing papers by Heidi Ormstad

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of Heidi Ormstad

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

Strand, Bjørn Heine, Geir Selbæk, Pernille Thingstad, et al.. (2024). Prevalence and future estimates of frailty and pre-frailty in a population-based sample of people 70 years and older in Norway: the HUNT study. Aging Clinical and Experimental Research. 36(1). 188–188. 7 indexed citations

Broch, Line, Heidi Øyen Flemmen, Cecilia Smith Simonsen, et al.. (2023). “No association between disease modifying treatment and fatigue in multiple sclerosis”. Multiple Sclerosis and Related Disorders. 79. 104993–104993. 7 indexed citations

Broch, Line, Heidi Øyen Flemmen, Cecilia Smith Simonsen, et al.. (2022). Fatigue in multiple sclerosis is associated with socioeconomic factors. Multiple Sclerosis and Related Disorders. 64. 103955–103955. 12 indexed citations

Ormstad, Heidi, Gro Jamtvedt, Ida Svege, & Sally Crowe. (2021). The Bridge Building Model: connecting evidence-based practice, evidence-based research, public involvement and needs led research. Research Involvement and Engagement. 7(1). 77–77. 6 indexed citations

Ormstad, Heidi, Cecilia Smith Simonsen, Line Broch, et al.. (2020). Chronic fatigue and depression due to multiple sclerosis: Immune-inflammatory pathways, tryptophan catabolites and the gut-brain axis as possible shared pathways. Multiple Sclerosis and Related Disorders. 46. 102533–102533. 39 indexed citations

Ormstad, Heidi, Grethe Eilertsen, Trond Heir, & Leiv Sandvik. (2020). Personality traits and the risk of becoming lonely in old age: A 5-year follow-up study. Health and Quality of Life Outcomes. 18(1). 47–47. 20 indexed citations

Thingstad, Pernille, et al.. (2018). Associations between gait speed and well‐known fall risk factors among community‐dwelling older adults. Physiotherapy Research International. 24(1). e1743–e1743. 193 indexed citations breakdown →

Dantzer, Robert, et al.. (2017). Mechanisms of poststroke fatigue. Journal of Neurology Neurosurgery & Psychiatry. 89(3). 287–293. 89 indexed citations

Dahl, Johan, Heidi Ormstad, Hans Christian D. Aass, et al.. (2016). Recovery from major depressive disorder episode after non‐pharmacological treatment is associated with normalized cytokine levels. Acta Psychiatrica Scandinavica. 134(1). 40–47. 42 indexed citations

10.

Bryn, Vesna, Hans Christian D. Aass, Ola H. Skjeldal, et al.. (2016). Cytokine Profile in Autism Spectrum Disorders in Children. Journal of Molecular Neuroscience. 61(1). 1–7. 39 indexed citations

11.

Ormstad, Heidi, Robert Verkerk, & Leiv Sandvik. (2015). Serum Phenylalanine, Tyrosine, and their Ratio in Acute Ischemic Stroke: on the Trail of a Biomarker?. Journal of Molecular Neuroscience. 58(1). 102–108. 28 indexed citations

12.

Strand, Bjørn Heine, Ellen Melbye Langballe, Tor Atle Rosness, et al.. (2014). Age, education and dementia related deaths. The Norwegian Counties Study and The Cohort of Norway. Journal of the Neurological Sciences. 345(1-2). 75–82. 17 indexed citations

13.

Ormstad, Heidi, Robert Verkerk, Hans Christian D. Aass, Karl-Friedrich Amthor, & Leiv Sandvik. (2013). Inflammation-Induced Catabolism of Tryptophan and Tyrosine in Acute Ischemic Stroke. Journal of Molecular Neuroscience. 51(3). 893–902. 53 indexed citations

14.

Ormstad, Heidi, et al.. (2012). Serum Levels of Cytokines, Glucose, and Hemoglobin as Possible Predictors of Poststroke Depression, and Association With Poststroke Fatigue. International Journal of Neuroscience. 122(11). 682–690. 40 indexed citations

15.

Ormstad, Heidi, et al.. (2011). Serum levels of cytokines and C-reactive protein in acute ischemic stroke patients, and their relationship to stroke lateralization, type, and infarct volume. Journal of Neurology. 258(4). 677–685. 120 indexed citations

16.

Ormstad, Heidi, et al.. (2011). Serum cytokine and glucose levels as predictors of poststroke fatigue in acute ischemic stroke patients. Journal of Neurology. 258(4). 670–676. 80 indexed citations

17.

Ormstad, Heidi & Martinus Løvik. (2002). Luftforurensning, astma og allergi – betydningen av ulike partikler. Tidsskrift for Den Norske Laegeforening.

18.

Ormstad, Heidi. (2000). Suspended particulate matter in indoor air: adjuvants and allergen carriers. Toxicology. 152(1-3). 53–68. 93 indexed citations

19.

Ormstad, Heidi, et al.. (1998). Human IgE production in hu-PBL-SCID mice injected with birch pollen and diesel exhaust particles. Toxicology. 128(3). 219–230. 10 indexed citations

20.

Johansen, B.V. & Heidi Ormstad. (1997). Evaporated germanium films as supports for microanalysis of carbon and silicon containing specimens. Microscopy Research and Technique. 38(5). 519–524. 3 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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