World's Best Scientists 2026 revealed!

D-Index & Metrics

Psychology

D-Index
129
Citations
60471
World Ranking
176
National Ranking
30

John M. Starr 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 John M. Starr sits on this spectrum.

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 publications 705+

This scientist: 601 publications — 98th percentile

98% of scientists in this discipline score the same or lower.

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

John M. Starr 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 John M. Starr sits on this spectrum.

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 D-Index 144+

This scientist: 129 D-Index — 99th percentile

99% of scientists in this discipline score the same or lower.

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

Overview

John M. Starr was affiliated with the University of Edinburgh in the United Kingdom. Their research primarily focused on medicine and biochemistry, genetics, and molecular biology, with significant contributions in subfields such as physiology, genetics, psychiatry and mental health, health, toxicology and mutagenesis, and molecular biology.

Their work covered several main research topics, including genetic associations and epidemiology, dementia and cognitive impairment research, Alzheimer's disease research and treatments, air quality and health impacts, health, environment, and cognitive aging, energy and environment impacts, and obesity, physical activity, and diet.

During their career, John M. Starr authored papers published in various venues, with frequent publications in UNC Libraries, bioRxiv (Cold Spring Harbor Laboratory), Wellcome Open Research, Nature Communications, and the Journal of Alzheimer's Disease.

Some notable recent papers included:

  • Neurology-related protein biomarkers are associated with cognitive ability and brain volume in older age, 2020, Nature Communications
  • Life Course Air Pollution Exposure and Cognitive Decline: Modelled Historical Air Pollution Data and the Lothian Birth Cohort 1936, 2021, Journal of Alzheimer's Disease
  • Multidimensional Apathy in Behavioral Variant Frontotemporal Dementia, Primary Progressive Aphasia, and Alzheimer Disease, 2020, Journal of Geriatric Psychiatry and Neurology
  • Meta-analysis of epigenome-wide association studies of carotid intima-media thickness, 2021, European Journal of Epidemiology
  • Multi-ancestry genome-wide gene-sleep interactions identify novel loci for blood pressure, 2021, Molecular Psychiatry

John M. Starr collaborated frequently with researchers such as Ian J. Deary, Sarah E. Harris, Mika Kähönen, Tom C. Russ, and Traci M. Bartz, reflecting active interdisciplinary engagement.

Best Publications

  • Age-associated cognitive decline

    Ian J Deary;Janie Corley;Alan J Gow;Sarah E Harris

  • Genome-wide association meta-analysis in 269,867 individuals identifies new genetic and functional links to intelligence

    Jeanne E Savage;Philip R Jansen;Philip R Jansen;Sven Stringer;Kyoko Watanabe

  • DNA methylation age of blood predicts all-cause mortality in later life.

    Riccardo E Marioni;Riccardo E Marioni;Sonia Shah;Allan F McRae;Brian H Chen

  • Novel genetic associations for blood pressure identified via gene-alcohol interaction in up to 570K individuals across multiple ancestries

    Mary F. Feitosa;Aldi T. Kraja;Daniel I. Chasman;Yun J. Sung

  • Genetic variants associated with subjective well-being, depressive symptoms, and neuroticism identified through genome-wide analyses

    Aysu Okbay;Bart M L Baselmans;Jan-Emmanuel De Neve;Patrick Turley

  • The impact of childhood intelligence on later life: following up the Scottish mental surveys of 1932 and 1947.

    I. J. Deary;M. Whiteman;J. M. Starr;Lawrence Jeffrey Whalley

  • GWAS of 126,559 Individuals Identifies Genetic Variants Associated with Educational Attainment

    Cornelius A. Rietveld;Sarah E. Medland;Jaime Lane Derringer;Jian Yang

  • Brain age predicts mortality

    J H Cole;S J Ritchie;M E Bastin;M C Valdés Hernández

  • Genome-wide association studies establish that human intelligence is highly heritable and polygenic

    G. Davies;A. Tenesa;A. Tenesa;A. Payton;J. Yang

  • Is Breakdown of the Blood-Brain Barrier Responsible for Lacunar Stroke, Leukoaraiosis, and Dementia?

    Joanna Wardlaw;Peter Sandercock;Martin Dennis;John Starr

  • The ENIGMA Consortium: large-scale collaborative analyses of neuroimaging and genetic data

    Paul M. Thompson;Jason L. Stein;Sarah E. Medland;Derrek P. Hibar

  • Association between psychological distress and mortality: individual participant pooled analysis of 10 prospective cohort studies

    Tom C Russ;Emmanuel Stamatakis;Mark Hamer;John M Starr

  • Study of 300,486 individuals identifies 148 independent genetic loci influencing general cognitive function

    Gail Davies;Max Lam;Sarah E. Harris;Joey W. Trampush

  • Identification of common variants associated with human hippocampal and intracranial volumes

    Jason L Stein;Sarah E Medland;Sarah E Medland;Alejandro Arias Vasquez;Alejandro Arias Vasquez;Derrek P Hibar

  • The Stability of Individual Differences in Mental Ability from Childhood to Old Age: Follow-up of the 1932 Scottish Mental Survey

    Ian J Deary;Lawrence J Whalley;Helen Lemmon;J.R Crawford

  • Cognitive reserve and the neurobiology of cognitive aging

    Lawrence J. Whalley;Ian J. Deary;Charlotte L. Appleton;John M. Starr

  • GWAS on family history of Alzheimer’s disease

    Riccardo E. Marioni;Sarah E. Harris;Qian Zhang;Allan F. McRae

  • The epigenetic clock is correlated with physical and cognitive fitness in the Lothian Birth Cohort 1936

    Riccardo E Marioni;Sonia Shah;Allan F McRae;Stuart J Ritchie

  • 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

  • The Lothian Birth Cohort 1936: a study to examine influences on cognitive ageing from age 11 to age 70 and beyond.

    Ian J. Deary;Alan J. Gow;Michelle D Taylor;Janie Corley

  • Increased blood–brain barrier permeability in type II diabetes demonstrated by gadolinium magnetic resonance imaging

    John Starr;J Wardlaw;K Ferguson;A MacLullich

Frequent Co-Authors

Ian J. Deary
Ian J. Deary University of Edinburgh
Sarah E. Harris
Sarah E. Harris University of Edinburgh
Alan J. Gow
Alan J. Gow Heriot-Watt University
Caroline Hayward
Caroline Hayward University of Edinburgh
Joanna M. Wardlaw
Joanna M. Wardlaw University of Edinburgh
Lawrence J. Whalley
Lawrence J. Whalley University of Aberdeen
Gail Davies
Gail Davies University of Edinburgh
Bruce M. Psaty
Bruce M. Psaty University of Washington
David J. Porteous
David J. Porteous University of Edinburgh
André G. Uitterlinden
André G. Uitterlinden Erasmus University Rotterdam

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Related Online Degrees & Career Pathways

Exploring online degrees in psychology opens doors to diverse career opportunities, including roles as mental health counselors, therapists, and researchers. Programs typically cover essential topics such as human behavior, psychological assessment, and therapy techniques. Many students pursuing this path are interested in becoming licensed counselors, which often requires a combination of education, supervised experience, and state-specific credentials.

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If you are wondering how to become a mental health counselor in Richmond, reviewing degree prerequisites and licensing steps is crucial. Online psychology degrees can provide flexibility to start your journey, but always check state requirements for clinical roles to ensure your coursework and experience align with professional standards.

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