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Topic · Psychiatry and Mental health

Dementia and Cognitive Impairment Research

Dementia and Cognitive Impairment Research is a research topic within Psychiatry and Mental health. Science Explorer counts 68k research works in it since 1950. 22.6% of them reached the world's top 10% most cited for their field and year.

This cluster of papers focuses on the diagnosis, management, and impact of Alzheimer's disease, including its relationship with mild cognitive impairment, dementia, neuroimaging techniques, cognitive decline, biomarkers, aging, and the burden experienced by caregivers. It also explores the role of vascular risk factors and the potential benefits of cognitive training.

  • Alzheimer's Disease
  • Mild Cognitive Impairment
  • Dementia
  • Neuroimaging
  • Cognitive Decline
  • Biomarkers
  • Aging
  • Caregiver Burden
  • Vascular Risk Factors
  • Cognitive Training
Research works
68k
fractional, since 1950
In the world top 10%
15k
per year above
Top-10% rate
22.6%
share of its works in the world top 10%
Growth, 2013–17 → 2018–22
+39%
the tick is no change

This ranks research output and citation impact. It says nothing about the quality of diagnosis, treatment or care.

Which countries lead Dementia and Cognitive Impairment Research research?

By volume, the United States and China publish the most (6k and 2k works in 2022–2025).

By volume, 2022–2025

  1. 1 United States 6k works
  2. 2 China 2k works
  3. 3 United Kingdom 1.2k works
  4. 4 Canada 794 works
  5. 5 Australia 607 works
  6. 6 Japan 580 works
  7. 7 South Korea 551 works
  8. 8 India 504 works
  9. 9 Germany 499 works
  10. 10 Spain 454 works

How concentrated that is

The same countries as shares of everything the list above accounts for. A node where two countries do two thirds of the work and one spread evenly across twelve read alike as a ranking and not at all alike here.

United States: 45.3%China: 15.4%United Kingdom: 9.3%Canada: 6.0%6 others listed: 24.1%45%largest
United States6,016 · 45.3%China2,041 · 15.4%United Kingdom1,235 · 9.3%Canada794 · 6.0%6 others listed3,195 · 24.1%

Shares of the rows listed above, not of the whole node.

Which institutions lead Dementia and Cognitive Impairment Research research?

By volume in 2022–2025, University College London publishes the most Dementia and Cognitive Impairment Research research, followed by University of California, San Francisco and Harvard University.

By volume, 2022–2025

  1. 1 University College LondonUnited Kingdom 120 works
  2. 2 University of California, San FranciscoUnited States 118 works
  3. 3 Harvard UniversityUnited States 108 works
  4. 4 University of Southern CaliforniaUnited States 99 works
  5. 5 University of PennsylvaniaUnited States 94 works
  6. 6 Washington University in St. LouisUnited States 94 works
  7. 7 University of PittsburghUnited States 90 works
  8. 8 University of MichiganUnited States 89 works
  9. 9 Massachusetts General HospitalUnited States 88 works
  10. 10 Johns Hopkins UniversityUnited States 83 works

Who are the leading researchers in Dementia and Cognitive Impairment Research?

The most-cited researchers publishing on Dementia and Cognitive Impairment Research include Valery L. Feigin, Mika Kivimäki and Charles Wolfe.

  1. 1 Valery L. Feigin New Zealand 7.9k citations
  2. 2 Mika Kivimäki United Kingdom 6.7k citations
  3. 3 Charles Wolfe United Kingdom 6k citations
  4. 4 Narayanaswamy Venketasubramanian Singapore 5.4k citations
  5. 5 Josef Coresh United States 5.3k citations
  6. 6 Luigi Ferrucci United States 5.3k citations
  7. 7 John C. Morris United States 5.1k citations

Ranked by citations received across their whole record, among researchers with at least three works on this topic.

Where is Dementia and Cognitive Impairment Research research done?

The largest centres of Dementia and Cognitive Impairment Research research in 2022–2025 are London (United Kingdom), Beijing (China), Seoul (South Korea) and Boston (United States). Among places with at least 20 works in it, it is an unusually large share of all research in Ōbu and Indianapolis.

Largest cities, 2022–2025

  1. 1 London United Kingdom 474 works
  2. 2 Beijing China 359 works
  3. 3 Seoul South Korea 301 works
  4. 4 Boston United States 291 works
  5. 5 New York United States 283 works
  6. 6 Shanghai China 239 works
  7. 7 San Francisco United States 211 works
  8. 8 Toronto Canada 184 works
  9. 9 Montreal Canada 180 works
  10. 10 Baltimore United States 180 works

Where it is the local speciality

  1. ŌbuJP · 24.5 works48×
  2. Indianapolis35.3 works13×
← less than its size predicts1×more →

Location quotient: how much more of its research is in Dementia and Cognitive Impairment Research than the world average.

See Dementia and Cognitive Impairment Research on the map

Where is the best place to study Dementia and Cognitive Impairment Research?

Among universities, judged by research, Duke-NUS Medical School, University of Southern California and University College London score highest, combining excellence, specialisation, size, growth and international reach. Research strength is one signal when choosing where to study; it does not measure teaching.

0%20%40%mean 22.53%fractional works in this node (log) →share in the world top 10% →Duke-NUS Medical School: 15, 27.2%University of Southern California: 99, 23.9%University College London: 120, 30.5%University of California, San Francisco: 118, 18.1%Karolinska Institutet: 64, 25.2%Indiana University – Purdue University Indianapolis: 47, 19.1%Wake Forest University: 57, 15.8%Indiana University School of Medicine: 35, 17.7%National University Health System: 11, 30.7%University Memory and Aging Center: 36, 17.1%University College L…Duke-NUS Medical Sch…University of Southe…University of Califo…
above the meannear itbelow it

One dot per university in the table below. The upper left is the interesting corner: small places doing unusually strong work.

#UniversityScoreTop 10%SpecialisationWorksGrowth
1 Duke-NUS Medical SchoolSingapore 66.127.2%12.1×15 +248.4%
2 University of Southern CaliforniaUnited States 64.523.9%8.0×99 +124.0%
3 University College LondonUnited Kingdom 63.330.5%5.2×120 +84.0%
4 University of California, San FranciscoUnited States 62.218.1%11.0×118 +24.3%
5 Karolinska InstitutetSweden 60.325.2%8.5×64 -10.1%
6 Indiana University – Purdue University IndianapolisUnited States 56.019.1%9.2×47 +71.7%
7 Wake Forest UniversityUnited States 55.915.8%13.5×57 +54.5%
8Indiana University School of Medicine?? 55.617.7%13.1×35 +82.2%
9 National University Health SystemSingapore 55.430.7%9.9×11 +34.5%
10 University Memory and Aging CenterUnited States 55.217.1%196.8×36 +18.8%

Universities only. Score blends excellence (30%), specialisation (25%), size (20%), growth (15%) and international reach (10%), 2015–2022; growth compares 2010–14 with 2015–19.

Is Dementia and Cognitive Impairment Research research growing?

Output in 2018–2022 was 39% higher than in 2013–2017, peaking in 2025. The fastest-growing topics are Dementia and Cognitive Impairment Research.

19801990200020102020
grewheldshrank

The same series as a ribbon — one cell per year, darker for more. The line above answers how much; this answers when.

Which topics inside it are moving

Growth and decline on one axis around a shared zero. Two lists side by side hide the thing that matters: whether the growth dwarfs the decline, or the other way round.