World's Best Scientists 2026 revealed!

D-Index & Metrics

Discipline name D-Index World Ranking National Ranking Publications Citations
Neuroscience 37 8783 44 75 5804

Reidun Ursin publications per year

The chart shows the history of publications by Reidun Ursin between 1966 and 2016, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Reidun Ursin published across 51 years, from 1966 to 2016, averaging 1.5 papers a year. Output peaked at 5 publications in 2008. 3 of the 77 publications appeared in the last two years.

No. of publications
1 2 3 4 5
Bar chart. Horizontal axis: year, 1966 to 2016. Vertical axis: number of publications, 0 to 5. Peak 5 publications in 2008. 1966: 1 publication 1967: 1 publication 1968: 1 publication 1969: 0 publications 1970: 1 publication 1971: 2 publications 1972: 1 publication 1973: 0 publications 1974: 0 publications 1975: 0 publications 1976: 2 publications 1977: 0 publications 1978: 0 publications 1979: 1 publication 1980: 1 publication 1981: 1 publication 1982: 1 publication 1983: 4 publications 1984: 1 publication 1985: 1 publication 1986: 0 publications 1987: 2 publications 1988: 0 publications 1989: 1 publication 1990: 1 publication 1991: 1 publication 1992: 2 publications 1993: 2 publications 1994: 3 publications 1995: 3 publications 1996: 3 publications 1997: 1 publication 1998: 3 publications 1999: 1 publication 2000: 2 publications 2001: 4 publications 2002: 2 publications 2003: 0 publications 2004: 2 publications 2005: 3 publications 2006: 2 publications 2007: 2 publications 2008: 5 publications 2009: 4 publications 2010: 1 publication 2011: 1 publication 2012: 0 publications 2013: 1 publication 2014: 3 publications 2015: 2 publications 2016: 1 publication
1966 2016

77 publications in total across all disciplines

View publications per year as a table
Reidun Ursin: publications per year, 1966 to 2016
Year Publications
1966 1
1967 1
1968 1
1969 0
1970 1
1971 2
1972 1
1973 0
1974 0
1975 0
1976 2
1977 0
1978 0
1979 1
1980 1
1981 1
1982 1
1983 4
1984 1
1985 1
1986 0
1987 2
1988 0
1989 1
1990 1
1991 1
1992 2
1993 2
1994 3
1995 3
1996 3
1997 1
1998 3
1999 1
2000 2
2001 4
2002 2
2003 0
2004 2
2005 3
2006 2
2007 2
2008 5
2009 4
2010 1
2011 1
2012 0
2013 1
2014 3
2015 2
2016 1
Total 77
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Reidun Ursin publication distribution in Neuroscience in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Neuroscience in 2026. The highlighted bar marks where Reidun Ursin sits on this spectrum.

No. of scientists
100 200 300 400 500
Bar chart with 86 bars. Horizontal axis: publications, 38–47 to 887+. Vertical axis: number of scientists, 0 to 539. Most scientists, 539, have 98–107 publications. The last bar groups every scientist with 887 publications or more. The highlighted bar, 68–77 publications, is where this scientist sits. 38–47 publications: 18 scientists 48–57 publications: 79 scientists 58–67 publications: 193 scientists 68–77 publications: 323 scientists 78–87 publications: 406 scientists 88–97 publications: 452 scientists 98–107 publications: 539 scientists 108–117 publications: 505 scientists 118–127 publications: 522 scientists 128–137 publications: 469 scientists 138–147 publications: 456 scientists 148–157 publications: 459 scientists 158–167 publications: 397 scientists 168–177 publications: 383 scientists 178–187 publications: 350 scientists 188–197 publications: 302 scientists 198–207 publications: 306 scientists 208–217 publications: 262 scientists 218–227 publications: 242 scientists 228–237 publications: 220 scientists 238–247 publications: 203 scientists 248–257 publications: 174 scientists 258–267 publications: 176 scientists 268–277 publications: 175 scientists 278–287 publications: 125 scientists 288–297 publications: 116 scientists 298–307 publications: 127 scientists 308–317 publications: 128 scientists 318–327 publications: 99 scientists 328–337 publications: 89 scientists 338–347 publications: 78 scientists 348–357 publications: 96 scientists 358–367 publications: 66 scientists 368–377 publications: 59 scientists 378–387 publications: 65 scientists 388–397 publications: 54 scientists 398–407 publications: 48 scientists 408–417 publications: 49 scientists 418–427 publications: 34 scientists 428–437 publications: 31 scientists 438–447 publications: 30 scientists 448–457 publications: 31 scientists 458–467 publications: 36 scientists 468–477 publications: 40 scientists 478–487 publications: 35 scientists 488–497 publications: 30 scientists 498–507 publications: 23 scientists 508–517 publications: 26 scientists 518–527 publications: 20 scientists 528–537 publications: 23 scientists 538–547 publications: 20 scientists 548–557 publications: 20 scientists 558–567 publications: 17 scientists 568–577 publications: 14 scientists 578–587 publications: 20 scientists 588–597 publications: 20 scientists 598–607 publications: 19 scientists 608–617 publications: 18 scientists 618–627 publications: 17 scientists 628–637 publications: 11 scientists 638–647 publications: 11 scientists 648–657 publications: 11 scientists 658–667 publications: 8 scientists 668–677 publications: 7 scientists 678–687 publications: 11 scientists 688–697 publications: 10 scientists 698–707 publications: 4 scientists 708–717 publications: 6 scientists 718–727 publications: 5 scientists 728–737 publications: 5 scientists 738–747 publications: 9 scientists 748–757 publications: 9 scientists 758–767 publications: 3 scientists 768–777 publications: 7 scientists 778–787 publications: 7 scientists 788–797 publications: 6 scientists 798–807 publications: 2 scientists 808–817 publications: 2 scientists 818–827 publications: 7 scientists 828–837 publications: 0 scientists 838–847 publications: 9 scientists 848–857 publications: 3 scientists 858–867 publications: 1 scientist 868–877 publications: 3 scientists 878–886 publications: 6 scientists 887+ publications: 100 scientists
38–47 publications 887+

This scientist: 75 publications — 6th percentile

6% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 887 publications or more.

View publications distribution as a table
Number of Neuroscience scientists by publication count, Research.com 2026 ranking edition. Based on 9,597 ranked scientists.
Publications Scientists This scientist
38–47 18
48–57 79
58–67 193
68–77 323 75
78–87 406
88–97 452
98–107 539
108–117 505
118–127 522
128–137 469
138–147 456
148–157 459
158–167 397
168–177 383
178–187 350
188–197 302
198–207 306
208–217 262
218–227 242
228–237 220
238–247 203
248–257 174
258–267 176
268–277 175
278–287 125
288–297 116
298–307 127
308–317 128
318–327 99
328–337 89
338–347 78
348–357 96
358–367 66
368–377 59
378–387 65
388–397 54
398–407 48
408–417 49
418–427 34
428–437 31
438–447 30
448–457 31
458–467 36
468–477 40
478–487 35
488–497 30
498–507 23
508–517 26
518–527 20
528–537 23
538–547 20
548–557 20
558–567 17
568–577 14
578–587 20
588–597 20
598–607 19
608–617 18
618–627 17
628–637 11
638–647 11
648–657 11
658–667 8
668–677 7
678–687 11
688–697 10
698–707 4
708–717 6
718–727 5
728–737 5
738–747 9
748–757 9
758–767 3
768–777 7
778–787 7
788–797 6
798–807 2
808–817 2
818–827 7
828–837 0
838–847 9
848–857 3
858–867 1
868–877 3
878–886 6
887+ 100
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Reidun Ursin D-index placement in Neuroscience in 2026

The chart shows the D-index (discipline H-index) distribution of Neuroscience scientists ranked by Research.com in 2026. The highlighted bar marks where Reidun Ursin sits on this spectrum.

No. of scientists
100 200 300 400 500
Bar chart with 68 bars. Horizontal axis: D-Index, 30–31 to 163+. Vertical axis: number of scientists, 0 to 512. Most scientists, 512, have 46–47 D-Index. The last bar groups every scientist with 163 D-Index or more. The highlighted bar, 36–37 D-Index, is where this scientist sits. 30–31 D-Index: 42 scientists 32–33 D-Index: 172 scientists 34–35 D-Index: 296 scientists 36–37 D-Index: 435 scientists 38–39 D-Index: 459 scientists 40–41 D-Index: 456 scientists 42–43 D-Index: 467 scientists 44–45 D-Index: 478 scientists 46–47 D-Index: 512 scientists 48–49 D-Index: 435 scientists 50–51 D-Index: 425 scientists 52–53 D-Index: 418 scientists 54–55 D-Index: 392 scientists 56–57 D-Index: 357 scientists 58–59 D-Index: 334 scientists 60–61 D-Index: 328 scientists 62–63 D-Index: 260 scientists 64–65 D-Index: 278 scientists 66–67 D-Index: 239 scientists 68–69 D-Index: 250 scientists 70–71 D-Index: 210 scientists 72–73 D-Index: 200 scientists 74–75 D-Index: 189 scientists 76–77 D-Index: 170 scientists 78–79 D-Index: 146 scientists 80–81 D-Index: 113 scientists 82–83 D-Index: 126 scientists 84–85 D-Index: 100 scientists 86–87 D-Index: 84 scientists 88–89 D-Index: 99 scientists 90–91 D-Index: 84 scientists 92–93 D-Index: 85 scientists 94–95 D-Index: 72 scientists 96–97 D-Index: 76 scientists 98–99 D-Index: 45 scientists 100–101 D-Index: 49 scientists 102–103 D-Index: 43 scientists 104–105 D-Index: 32 scientists 106–107 D-Index: 45 scientists 108–109 D-Index: 50 scientists 110–111 D-Index: 32 scientists 112–113 D-Index: 39 scientists 114–115 D-Index: 32 scientists 116–117 D-Index: 29 scientists 118–119 D-Index: 27 scientists 120–121 D-Index: 19 scientists 122–123 D-Index: 23 scientists 124–125 D-Index: 27 scientists 126–127 D-Index: 16 scientists 128–129 D-Index: 24 scientists 130–131 D-Index: 13 scientists 132–133 D-Index: 21 scientists 134–135 D-Index: 17 scientists 136–137 D-Index: 14 scientists 138–139 D-Index: 15 scientists 140–141 D-Index: 10 scientists 142–143 D-Index: 10 scientists 144–145 D-Index: 13 scientists 146–147 D-Index: 9 scientists 148–149 D-Index: 8 scientists 150–151 D-Index: 6 scientists 152–153 D-Index: 6 scientists 154–155 D-Index: 7 scientists 156–157 D-Index: 7 scientists 158–159 D-Index: 10 scientists 160–161 D-Index: 4 scientists 162 D-Index: 8 scientists 163+ D-Index: 100 scientists
30–31 D-Index 163+

This scientist: 37 D-Index — 10th percentile

10% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 163 D-Index or more.

View D-Index distribution as a table
Number of Neuroscience scientists by D-index, Research.com 2026 ranking edition. Based on 9,597 ranked scientists.
D-Index Scientists This scientist
30–31 42
32–33 172
34–35 296
36–37 435 37
38–39 459
40–41 456
42–43 467
44–45 478
46–47 512
48–49 435
50–51 425
52–53 418
54–55 392
56–57 357
58–59 334
60–61 328
62–63 260
64–65 278
66–67 239
68–69 250
70–71 210
72–73 200
74–75 189
76–77 170
78–79 146
80–81 113
82–83 126
84–85 100
86–87 84
88–89 99
90–91 84
92–93 85
94–95 72
96–97 76
98–99 45
100–101 49
102–103 43
104–105 32
106–107 45
108–109 50
110–111 32
112–113 39
114–115 32
116–117 29
118–119 27
120–121 19
122–123 23
124–125 27
126–127 16
128–129 24
130–131 13
132–133 21
134–135 17
136–137 14
138–139 15
140–141 10
142–143 10
144–145 13
146–147 9
148–149 8
150–151 6
152–153 6
154–155 7
156–157 7
158–159 10
160–161 4
162 8
163+ 100
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Overview

What is she best known for?

The fields of study she is best known for:

  • Internal medicine
  • Psychiatry
  • Neuroscience

Internal medicine, Endocrinology, Sleep in non-human animals, Neuroscience and Neuroscience of sleep are her primary areas of study. Her work on Hippocampus and Dentate gyrus is typically connected to Chemistry and Sucrose intake as part of general Internal medicine study, connecting several disciplines of science. Her work carried out in the field of Sleep in non-human animals brings together such families of science as Insomnia, Gerontology and Shift work.

Her research in Neuroscience is mostly focused on Slow-wave sleep. As part of one scientific family, Reidun Ursin deals mainly with the area of Neuroscience of sleep, narrowing it down to issues related to the Sleep onset, and often Circadian rhythm. Her work in Body mass index covers topics such as Physiology which are related to areas like Anhedonia.

Her most cited work include:

  • The association between sleep duration, body mass index and metabolic measures in the Hordaland Health Study (255 citations)
  • The association between sleep duration, body mass index and metabolic measures in the Hordaland Health Study (255 citations)
  • Serotonin and the sleep/wake cycle: special emphasis on microdialysis studies (237 citations)

What are the main themes of her work throughout her whole career to date?

Her primary scientific interests are in Slow-wave sleep, Endocrinology, Internal medicine, Sleep in non-human animals and Rapid eye movement sleep. In her study, which falls under the umbrella issue of Slow-wave sleep, Chronic stress is strongly linked to Wakefulness. Her work on Circadian rhythm as part of general Endocrinology study is frequently connected to Chemistry, Serotonergic, 5-HT1A receptor and Alaproclate, therefore bridging the gap between diverse disciplines of science and establishing a new relationship between them.

Her work on Hippocampus and Stimulation as part of general Internal medicine research is frequently linked to 8-OH-DPAT, Reuptake inhibitor and 5-HT receptor, thereby connecting diverse disciplines of science. Her work on Sleep in non-human animals is being expanded to include thematically relevant topics such as Physiology. She interconnects Stressor, Obesity and Locomotor activity in the investigation of issues within Physiology.

She most often published in these fields:

  • Slow-wave sleep (55.00%)
  • Endocrinology (53.75%)
  • Internal medicine (53.75%)

What were the highlights of her more recent work (between 2009-2016)?

  • Insomnia (27.50%)
  • Demography (26.25%)
  • Gerontology (21.25%)

In recent papers she was focusing on the following fields of study:

Her main research concerns Insomnia, Demography, Gerontology, Norwegian and Epidemiology. Her Insomnia research is multidisciplinary, relying on both Middle age and Cohort study. Her Middle age study integrates concerns from other disciplines, such as Sleep duration, Psychiatry, Risk factor and Biostatistics.

Much of her study explores Gerontology relationship to Body mass index. There are a combination of areas like Lithuanian and Register integrated together with her Norwegian study. Her Epidemiology research includes elements of Blood lipids, Logistic regression, Waist and Mood.

Between 2009 and 2016, her most popular works were:

  • Midlife insomnia and subsequent mortality: the Hordaland health study. (41 citations)
  • Midlife insomnia and subsequent mortality: the Hordaland health study. (41 citations)
  • Early and Later Life Stress Alter Brain Activity and Sleep in Rats (35 citations)

Best Publications

  • Serotonin and the sleep/wake cycle: special emphasis on microdialysis studies

    Chiara M Portas;Bjørn Bjorvatn;Reidun Ursin

  • Serotonin and sleep.

    Reidun Ursin

  • The association between sleep duration, body mass index and metabolic measures in the Hordaland Health Study

    Bjørn Bjorvatn;Ina Marie Sagen;Nicolas Øyane;Siri Waage

  • Effects of chronic mild stress on sexual behavior, locomotor activity and consumption of sucrose and saccharine solutions.

    Janne Grønli;Robert Murison;Eldbjørg Fiske;Bjørn Bjorvatn;Bjørn Bjorvatn

  • Chronic mild stress inhibits BDNF protein expression and CREB activation in the dentate gyrus but not in the hippocampus proper

    Janne Grønli;Clive Bramham;Robert Murison;Tambudzai Kanhema

  • Sleep stages and EEG power spectrum in relation to acoustical stimulus arousal threshold in the rat.

    Dag Neckelmann;Reidun Ursin

  • On-line detection of extracellular levels of serotonin in dorsal raphe nucleus and frontal cortex over the sleep/wake cycle in the freely moving rat.

    C.M Portas;B Bjorvatn;S Fagerland;J Grønli

  • Chronic mild stress affects sucrose intake and sleep in rats.

    Janne Grønli;Robert Murison;Bjørn Bjorvatn;Eli Sørensen

  • Sleep duration, subjective sleep need, and sleep habits of 40- to 45-year-olds in the Hordaland Health Study.

    Reidun Ursin;Bjørn Bjorvatn;Fred Holsten

  • Extracellular levels of serotonin and GABA in the hippocampus after chronic mild stress in rats. A microdialysis study in an animal model of depression.

    Janne Grønli;Eldbjørg Fiske;Robert Murison;Bjørn Bjorvatn;Bjørn Bjorvatn

  • Self-stimulation of hippocampus in rats.

    Reidun Ursin;Holger Ursin;James Olds

  • Sleep stage relations within the sleep cycles of the cat

    Reidun Ursin

  • Platform sleep deprivation affects deep slow wave sleep in addition to REM sleep

    Svein Grahnstedt;Reidun Ursin

  • Sleep/waking effects of a selective 5-HT1A receptor agonist given systemically as well as perfused in the dorsal raphe nucleus in rats

    Bjørn Bjorvatn;Snorre Fagerland;Tore Eid;Reidun Ursin

  • The effect of sleep deprivation and recovery sleep on plasma corticosterone in the rat

    I. Tobler;R. Murison;R. Ursin;H. Ursin

  • Effects of sleep deprivation on extracellular serotonin in hippocampus and frontal cortex of the rat.

    B Bjorvatn;J Grønli;F Hamre;E Sørensen

  • The reliability and functional validity of visual and semiautomatic sleep/wake scoring in the Møll-Wistar rat.

    Dag Neckelmann;Øystein Erlend Olsen;Snorre Fagerland;Reidun Ursin

  • The effects of 5-hydroxytryptophan andl-tryptophan on wakefulness and sleep patterns in the cat

    Reidun Ursin

  • Midlife insomnia and subsequent mortality: the Hordaland health study.

    Børge Sivertsen;Ståle Pallesen;Ståle Pallesen;Nick Glozier;Bjørn Bjorvatn;Bjørn Bjorvatn

  • EEG Power Densities (0.5–20 Hz) in Different Sleep–Wake Stages in Rats

    Bjørn Bjorvatn;Snorre Fagerland;Reidun Ursin

Frequent Co-Authors

Bjørn Bjorvatn
Bjørn Bjorvatn University of Bergen
Ståle Pallesen
Ståle Pallesen University of Bergen
Robert Murison
Robert Murison University of Bergen
Børge Sivertsen
Børge Sivertsen Norwegian Institute of Public Health
Grethe S. Tell
Grethe S. Tell University of Bergen
Holger Ursin
Holger Ursin University of Bergen
Simon Øverland
Simon Øverland Norwegian Institute of Public Health
Ossi Rahkonen
Ossi Rahkonen University of Helsinki
Eero Lahelma
Eero Lahelma University of Helsinki
Astri J. Lundervold
Astri J. Lundervold University of Bergen

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