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Psychology
Norway
2026

D-Index & Metrics

Discipline name D-Index World Ranking Current World Ranking National Ranking Current National Ranking Publications Citations
Psychology 77 1614 1446 8 8 430 37850
Medicine 81 16378 15404 81 78 489 40905

Knut Engedal publications per year

The chart shows the history of publications by Knut Engedal between 1988 and 2025, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Knut Engedal published across 38 years, from 1988 to 2025, averaging 14 papers a year. Output peaked at 40 publications in 2017. 18 of the 533 publications appeared in the last two years.

No. of publications
10 20 30 40
Bar chart. Horizontal axis: year, 1988 to 2025. Vertical axis: number of publications, 0 to 40. Peak 40 publications in 2017. 1988: 1 publication 1989: 3 publications 1990: 0 publications 1991: 4 publications 1992: 2 publications 1993: 1 publication 1994: 0 publications 1995: 2 publications 1996: 4 publications 1997: 6 publications 1998: 1 publication 1999: 3 publications 2000: 6 publications 2001: 4 publications 2002: 9 publications 2003: 9 publications 2004: 12 publications 2005: 10 publications 2006: 14 publications 2007: 11 publications 2008: 16 publications 2009: 16 publications 2010: 17 publications 2011: 30 publications 2012: 24 publications 2013: 30 publications 2014: 28 publications 2015: 37 publications 2016: 37 publications 2017: 40 publications 2018: 28 publications 2019: 28 publications 2020: 28 publications 2021: 30 publications 2022: 14 publications 2023: 10 publications 2024: 7 publications 2025: 11 publications
1988 2025

533 publications in total across all disciplines

View publications per year as a table
Knut Engedal: publications per year, 1988 to 2025
Year Publications
1988 1
1989 3
1990 0
1991 4
1992 2
1993 1
1994 0
1995 2
1996 4
1997 6
1998 1
1999 3
2000 6
2001 4
2002 9
2003 9
2004 12
2005 10
2006 14
2007 11
2008 16
2009 16
2010 17
2011 30
2012 24
2013 30
2014 28
2015 37
2016 37
2017 40
2018 28
2019 28
2020 28
2021 30
2022 14
2023 10
2024 7
2025 11
Total 533
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Knut Engedal publication distribution in Psychology in 2026

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

No. of scientists
200 400 600
Bar chart with 69 bars. Horizontal axis: publications, 31–40 to 705+. Vertical axis: number of scientists, 0 to 736. Most scientists, 736, have 101–110 publications. The last bar groups every scientist with 705 publications or more. The highlighted bar, 421–430 publications, is where this scientist sits. 31–40 publications: 6 scientists 41–50 publications: 52 scientists 51–60 publications: 138 scientists 61–70 publications: 299 scientists 71–80 publications: 461 scientists 81–90 publications: 605 scientists 91–100 publications: 713 scientists 101–110 publications: 736 scientists 111–120 publications: 686 scientists 121–130 publications: 670 scientists 131–140 publications: 644 scientists 141–150 publications: 597 scientists 151–160 publications: 576 scientists 161–170 publications: 477 scientists 171–180 publications: 450 scientists 181–190 publications: 397 scientists 191–200 publications: 343 scientists 201–210 publications: 328 scientists 211–220 publications: 313 scientists 221–230 publications: 283 scientists 231–240 publications: 226 scientists 241–250 publications: 196 scientists 251–260 publications: 201 scientists 261–270 publications: 171 scientists 271–280 publications: 151 scientists 281–290 publications: 139 scientists 291–300 publications: 113 scientists 301–310 publications: 102 scientists 311–320 publications: 100 scientists 321–330 publications: 76 scientists 331–340 publications: 92 scientists 341–350 publications: 85 scientists 351–360 publications: 69 scientists 361–370 publications: 71 scientists 371–380 publications: 63 scientists 381–390 publications: 58 scientists 391–400 publications: 57 scientists 401–410 publications: 43 scientists 411–420 publications: 33 scientists 421–430 publications: 50 scientists 431–440 publications: 41 scientists 441–450 publications: 32 scientists 451–460 publications: 27 scientists 461–470 publications: 28 scientists 471–480 publications: 25 scientists 481–490 publications: 28 scientists 491–500 publications: 20 scientists 501–510 publications: 23 scientists 511–520 publications: 26 scientists 521–530 publications: 17 scientists 531–540 publications: 21 scientists 541–550 publications: 14 scientists 551–560 publications: 16 scientists 561–570 publications: 10 scientists 571–580 publications: 22 scientists 581–590 publications: 9 scientists 591–600 publications: 14 scientists 601–610 publications: 9 scientists 611–620 publications: 11 scientists 621–630 publications: 4 scientists 631–640 publications: 7 scientists 641–650 publications: 5 scientists 651–660 publications: 10 scientists 661–670 publications: 8 scientists 671–680 publications: 8 scientists 681–690 publications: 4 scientists 691–700 publications: 3 scientists 701–704 publications: 4 scientists 705+ publications: 100 scientists
31–40 publications 705+

This scientist: 430 publications — 95th percentile

95% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 705 publications or more.

View publications distribution as a table
Number of Psychology scientists by publication count, Research.com 2026 ranking edition. Based on 11,416 ranked scientists.
Publications Scientists This scientist
31–40 6
41–50 52
51–60 138
61–70 299
71–80 461
81–90 605
91–100 713
101–110 736
111–120 686
121–130 670
131–140 644
141–150 597
151–160 576
161–170 477
171–180 450
181–190 397
191–200 343
201–210 328
211–220 313
221–230 283
231–240 226
241–250 196
251–260 201
261–270 171
271–280 151
281–290 139
291–300 113
301–310 102
311–320 100
321–330 76
331–340 92
341–350 85
351–360 69
361–370 71
371–380 63
381–390 58
391–400 57
401–410 43
411–420 33
421–430 50 430
431–440 41
441–450 32
451–460 27
461–470 28
471–480 25
481–490 28
491–500 20
501–510 23
511–520 26
521–530 17
531–540 21
541–550 14
551–560 16
561–570 10
571–580 22
581–590 9
591–600 14
601–610 9
611–620 11
621–630 4
631–640 7
641–650 5
651–660 10
661–670 8
671–680 8
681–690 4
691–700 3
701–704 4
705+ 100
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Knut Engedal D-index placement in Psychology in 2026

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

No. of scientists
200 400 600
Bar chart with 58 bars. Horizontal axis: D-Index, 30–31 to 144+. Vertical axis: number of scientists, 0 to 702. Most scientists, 702, have 32–33 D-Index. The last bar groups every scientist with 144 D-Index or more. The highlighted bar, 76–77 D-Index, is where this scientist sits. 30–31 D-Index: 398 scientists 32–33 D-Index: 702 scientists 34–35 D-Index: 671 scientists 36–37 D-Index: 659 scientists 38–39 D-Index: 641 scientists 40–41 D-Index: 671 scientists 42–43 D-Index: 617 scientists 44–45 D-Index: 558 scientists 46–47 D-Index: 495 scientists 48–49 D-Index: 487 scientists 50–51 D-Index: 445 scientists 52–53 D-Index: 390 scientists 54–55 D-Index: 408 scientists 56–57 D-Index: 345 scientists 58–59 D-Index: 325 scientists 60–61 D-Index: 321 scientists 62–63 D-Index: 248 scientists 64–65 D-Index: 290 scientists 66–67 D-Index: 218 scientists 68–69 D-Index: 219 scientists 70–71 D-Index: 215 scientists 72–73 D-Index: 183 scientists 74–75 D-Index: 169 scientists 76–77 D-Index: 132 scientists 78–79 D-Index: 137 scientists 80–81 D-Index: 120 scientists 82–83 D-Index: 112 scientists 84–85 D-Index: 86 scientists 86–87 D-Index: 101 scientists 88–89 D-Index: 83 scientists 90–91 D-Index: 77 scientists 92–93 D-Index: 70 scientists 94–95 D-Index: 78 scientists 96–97 D-Index: 58 scientists 98–99 D-Index: 53 scientists 100–101 D-Index: 57 scientists 102–103 D-Index: 48 scientists 104–105 D-Index: 53 scientists 106–107 D-Index: 46 scientists 108–109 D-Index: 24 scientists 110–111 D-Index: 35 scientists 112–113 D-Index: 27 scientists 114–115 D-Index: 32 scientists 116–117 D-Index: 31 scientists 118–119 D-Index: 22 scientists 120–121 D-Index: 16 scientists 122–123 D-Index: 24 scientists 124–125 D-Index: 18 scientists 126–127 D-Index: 11 scientists 128–129 D-Index: 19 scientists 130–131 D-Index: 10 scientists 132–133 D-Index: 16 scientists 134–135 D-Index: 10 scientists 136–137 D-Index: 12 scientists 138–139 D-Index: 8 scientists 140–141 D-Index: 5 scientists 142–143 D-Index: 12 scientists 144+ D-Index: 98 scientists
30–31 D-Index 144+

This scientist: 77 D-Index — 86th percentile

86% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 144 D-Index or more.

View D-Index distribution as a table
Number of Psychology scientists by D-index, Research.com 2026 ranking edition. Based on 11,416 ranked scientists.
D-Index Scientists This scientist
30–31 398
32–33 702
34–35 671
36–37 659
38–39 641
40–41 671
42–43 617
44–45 558
46–47 495
48–49 487
50–51 445
52–53 390
54–55 408
56–57 345
58–59 325
60–61 321
62–63 248
64–65 290
66–67 218
68–69 219
70–71 215
72–73 183
74–75 169
76–77 132 77
78–79 137
80–81 120
82–83 112
84–85 86
86–87 101
88–89 83
90–91 77
92–93 70
94–95 78
96–97 58
98–99 53
100–101 57
102–103 48
104–105 53
106–107 46
108–109 24
110–111 35
112–113 27
114–115 32
116–117 31
118–119 22
120–121 16
122–123 24
124–125 18
126–127 11
128–129 19
130–131 10
132–133 16
134–135 10
136–137 12
138–139 8
140–141 5
142–143 12
144+ 98
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Research.com Recognitions

  • 2026 - Research.com Psychology in Norway Leader Award
  • 2025 - Research.com Psychology in Norway Leader Award

Overview

Knut Engedal is affiliated with Oslo University Hospital in Norway and focuses primarily on medical research related to dementia and cognitive impairment. Their scholarly work spans multiple aspects of geriatrics, neurology, and psychiatry with a particular emphasis on aging populations and neurodegenerative conditions.

The scientist's recent papers cover various topics in dementia and cognitive decline, highlighting research published in recognized journals. Notable publications include:

  • Current and Future Prevalence Estimates of Mild Cognitive Impairment, Dementia, and Its Subtypes in a Population-Based Sample of People 70 Years and Older in Norway: The HUNT Study (2021, Journal of Alzheimer's Disease)
  • The Power of EEG to Predict Conversion from Mild Cognitive Impairment and Subjective Cognitive Decline to Dementia (2020, Dementia and Geriatric Cognitive Disorders)
  • Changes in the left temporal microstate are a sign of cognitive decline in patients with Alzheimer's disease (2020, Brain and Behavior)
  • Cerebrospinal fluid sTREM2 in Alzheimer's disease: comparisons between clinical presentation and AT classification (2020, Scientific Reports)
  • Umbrella review and Delphi study on modifiable factors for dementia risk reduction (2023, Alzheimer's & Dementia)

The primary fields of study for their work fall under Medicine, with substantial contributions in Psychiatry and Mental Health, Neurology, General Health Professions, Cognitive Neuroscience, and Public Health, Environmental and Occupational Health. Their research topics emphasize:

  • Dementia and Cognitive Impairment Research
  • Geriatric Care and Nursing Homes
  • Functional Brain Connectivity Studies
  • Blood Pressure and Hypertension Studies
  • Alzheimer's Disease Research and Treatments
  • Frailty in Older Adults
  • Neurological Disease Mechanisms and Treatments

Frequent publication venues capturing their research output include:

  • Journal of Alzheimer's Disease
  • Dementia and Geriatric Cognitive Disorders
  • Frontiers in Aging Neuroscience
  • Dementia and Geriatric Cognitive Disorders Extra
  • Brain and Behavior

Knut Engedal's collaborative efforts are reflected through multiple coauthors frequently involved in research projects. Leading coauthors include:

  • Geir Selbæk
  • Bjørn Heine Strand
  • Karin Persson
  • Anne-Brita Knapskog
  • Knut Hestad

In addition to journal articles, they have contributed to book publications, including a title with Frontiers Media titled The heart-brain connection in emotions, cognition, and dementia published in 2022.

Best Publications

  • Depression and Quality of Life in Older Persons: A Review

    Heidi Sivertsen;Guro Hanevold Bjørkløf;Knut Engedal;Geir Selbæk

  • Variant of TREM2 associated with the risk of Alzheimer's disease

    Thorlakur Jonsson;Hreinn Stefansson;Stacy Steinberg;Ingileif Jonsdottir

  • The Prevalence of Dementia in Europe: A Collaborative Study of 1980–1990 Findings

    A Hofman;W A Rocca;C Brayne;M M B Breteler

  • A 1-year, randomized, placebo-controlled study of donepezil in patients with mild to moderate AD

    B. Winblad;K. Engedal;H. Soininen;F. Verhey

  • Target risk factors for dementia prevention: a systematic review and Delphi consensus study on the evidence from observational studies

    Kay Deckers;Martin P. J. van Boxtel;Olga J. G. Schiepers;Marjolein de Vugt

  • Frequency and distribution of Alzheimer's disease in Europe: A collaborative study of 1980–1990 prevalence findings

    Walter A. Rocca;Albert Hofman;Carol Brayne;Monique M.B. Breteler

  • The prevalence of psychiatric symptoms and behavioural disturbances and the use of psychotropic drugs in Norwegian nursing homes

    Geir Selbæk;Øyvind Kirkevold;Knut Engedal;Knut Engedal

  • The Spielberger State-Trait Anxiety Inventory (STAI): the state scale in detecting mental disorders in geriatric patients.

    Kari Kvaal;Ingun Ulstein;Inger Hilde Nordhus;Knut Engedal

  • Loss-of-function variants in ABCA7 confer risk of Alzheimer's disease

    Stacy Steinberg;Hreinn Stefansson;Thorlakur Jonsson;Hrefna Johannsdottir

  • Intake of Flavonoid-Rich Wine, Tea, and Chocolate by Elderly Men and Women Is Associated with Better Cognitive Test Performance

    Eha Nurk;Helga Refsum;Helga Refsum;Christian A. Drevon;Grethe S. Tell

  • The psychosocial burden on spouses of the elderly with stroke, dementia and Parkinson's disease.

    Bente Thommessen;Dag Aarsland;Anne Braekhus;Anne Rita Oksengaard

  • The Prevalence and Course of Neuropsychiatric Symptoms in Nursing Home Patients With Dementia: A Systematic Review

    Geir Selbæk;Geir Selbæk;Knut Engedal;Knut Engedal;Knut Engedal;Sverre Bergh;Sverre Bergh

  • The Role of Heredity in Late-Onset Alzheimer Disease and Vascular Dementia: A Twin Study

    A. L. Mina Bergem;Knut Engedal;Einar Kringlen

  • The Mini-Mental State Examination: identifying the most efficient variables for detecting cognitive impairment in the elderly.

    Anne Braekhus;Knut Laake;Knut Engedal

  • Systematic review of the effectiveness of non-pharmacological interventions to improve quality of life of people with dementia

    Claudia Cooper;Naaheed Mukadam;Cornelius Katona;Constantine G. Lyketsos

  • How do persons with dementia participate in decision making related to health and daily care? A multi-case study

    Kari Lislerud Smebye;Marit Kirkevold;Marit Kirkevold;Knut Engedal

  • Barriers and facilitators to the access to and use of formal dementia care: Findings of a focus group study with people with dementia, informal carers and health and social care professionals in eight European countries

    Astrid Stephan;Anja Bieber;Louise Hopper;Rachael Joyce

  • 3-Year Study of Donepezil Therapy in Alzheimer’s Disease: Effects of Early and Continuous Therapy

    B. Winblad;A. Wimo;K. Engedal;H. Soininen

  • Depression in acute stroke: prevalence, dominant symptoms and associated factors. A systematic literature review.

    Siren E Kouwenhoven;Marit Kirkevold;Knut Engedal;Hesook S Kim

  • The prevalence of vascular dementia in Europe: facts and fragments from 1980-1990 studies. EURODEM-Prevalence Research Group.

    W A Rocca;A Hofman;C Brayne;M M Breteler

  • Plasma total homocysteine and memory in the elderly: the Hordaland Homocysteine Study.

    Eha Nurk;Helga Refsum;Helga Refsum;Grethe S. Tell;Knut Engedal

Frequent Co-Authors

Jerson Laks
Jerson Laks Federal University of Rio de Janeiro
Marit Kirkevold
Marit Kirkevold University of Oslo
Frans R.J. Verhey
Frans R.J. Verhey Maastricht University
Gunhild Waldemar
Gunhild Waldemar Copenhagen University Hospital
Dag Aarsland
Dag Aarsland King's College London
Lars-Olof Wahlund
Lars-Olof Wahlund Karolinska Institute
Marjolein E. de Vugt
Marjolein E. de Vugt Maastricht University
Evandro Silva Freire Coutinho
Evandro Silva Freire Coutinho Rio de Janeiro State University
Vesna Jelic
Vesna Jelic Karolinska University Hospital
Bengt Winblad
Bengt Winblad Karolinska Institute

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