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John Gunstad

D-Index & Metrics

Psychology

D-Index
75
Citations
16535
World Ranking
1815
National Ranking
1067

John Gunstad 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 Gunstad 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: 347 publications — 91st percentile

91% of scientists in this discipline score the same or lower.

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

John Gunstad 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 Gunstad 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: 75 D-Index — 85th percentile

85% of scientists in this discipline score the same or lower.

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

Overview

John Gunstad is a researcher affiliated with Kent State University in the United States. Their primary field of study is Medicine, with significant contributions spanning various subfields including Physiology, Clinical Psychology, Psychiatry and Mental Health, Cognitive Neuroscience, and Public Health, Environmental and Occupational Health.

The research topics covered by Gunstad include:

  • Diet and metabolism studies
  • Dementia and cognitive impairment research
  • Bariatric surgery and outcomes
  • Gut microbiota and health
  • Neurobiology of language and bilingualism
  • Traumatic brain injury research
  • Probiotics and fermented foods

John Gunstad has contributed to numerous publications with a focus on cognitive and metabolic health. Their recent papers include:

  • The gut microbiome, mild cognitive impairment, and probiotics: A randomized clinical trial in middle-aged and older adults, 2022, Clinical Nutrition
  • Randomized Clinical Trial Examining the Impact of Lactobacillus rhamnosus GG Probiotic Supplementation on Cognitive Functioning in Middle-aged and Older Adults, 2020, Neuropsychiatric Disease and Treatment
  • Cognitive dysfunction is a risk factor for overeating and obesity, 2020, American Psychologist
  • Using Automatic Assessment of Speech Production to Predict Current and Future Cognitive Function in Older Adults, 2020, Journal of Geriatric Psychiatry and Neurology
  • Identifying mechanisms that predict weight trajectory after bariatric surgery: rationale and design of the biobehavioral trial, 2020, Surgery for Obesity and Related Diseases

Frequent collaborators with Gunstad include:

  • Victoria Sanborn
  • Ross D. Crosby
  • Kristine J. Steffen
  • James E. Mitchell
  • Colleen Mistler

The researcher has published extensively in several scholarly venues. The most frequent publication venues include:

  • Surgery for Obesity and Related Diseases
  • Archives of Clinical Neuropsychology
  • Medicine & Science in Sports & Exercise
  • Journal of the International Neuropsychological Society
  • Applied Neuropsychology Adult

Best Publications

  • Elevated body mass index is associated with executive dysfunction in otherwise healthy adults.

    John Gunstad;Robert H. Paul;Ronald A. Cohen;David F. Tate

  • Early Life Stress and Morphometry of the Adult Anterior Cingulate Cortex and Caudate Nuclei

    Ronald A. Cohen;Stuart Grieve;Karin F. Hoth;Robert H. Paul

  • Axis I Comorbidity in Body Dysmorphic Disorder

    John Gunstad;Katharine A Phillips

  • Longitudinal examination of obesity and cognitive function: results from the Baltimore longitudinal study of aging.

    John Gunstad;April Lhotsky;Carrington Rice Wendell;Luigi Ferrucci

  • Obesity is associated with memory deficits in young and middle-aged adults.

    John Gunstad;R. H. Paul;R. A. Cohen;D. F. Tate

  • "Diagnosis Threat": the effect of negative expectations on cognitive performance in head injury.

    Julie A Suhr;John Gunstad

  • Category and letter verbal fluency across the adult lifespan: relationship to EEG theta power

    Adam M. Brickman;Robert H. Paul;Ronald A. Cohen;Leanne M. Williams

  • “Expectation as etiology” versus “the good old days”: Postconcussion syndrome symptom reporting in athletes, headache sufferers, and depressed individuals

    John Gunstad;Julie A. Suhr

  • Relationship between body mass index and brain volume in healthy adults.

    John Gunstad;Robert H. Paul;Ronald A. Cohen;David F. Tate

  • Obesity is associated with reduced white matter integrity in otherwise healthy adults.

    Kelly M. Stanek;Stuart M. Grieve;Stuart M. Grieve;Adam M. Brickman;Mayuresh S. Korgaonkar

  • The Relationship Between Frontal Gray Matter Volume and Cognition Varies Across the Healthy Adult Lifespan

    Molly E. Zimmerman;Adam M. Brickman;Robert H. Paul;Stuart M. Grieve

  • Further exploration of the effect of “diagnosis threat” on cognitive performance in individuals with mild head injury

    Julie A. Suhr;John Gunstad

  • Improved memory function 12 weeks after bariatric surgery.

    John Gunstad;John Gunstad;Gladys Strain;Michael J. Devlin;Rena Wing

  • Cognitive function and decline in obesity.

    Kelly Stanek Sellbom;John Gunstad

  • The METER: a brief, self-administered measure of health literacy.

    Katherine A. Rawson;John Gunstad;John Gunstad;Joel Hughes;Joel Hughes;Mary Beth Spitznagel;Mary Beth Spitznagel

  • Cognitive function after bariatric surgery: evidence for improvement 3 years after surgery

    Michael L. Alosco;Rachel Galioto;Mary Beth Spitznagel;Mary Beth Spitznagel;Gladys Strain

  • Exposure to early life trauma is associated with adult obesity.

    John Gunstad;Robert H. Paul;Mary Beth Spitznagel;Ronald A. Cohen

  • Evidence of executive dysfunction in extremely obese adolescents: a pilot study.

    Kristine Lee Lokken;Abbe Gayle Boeka;Heather M. Austin;John Gunstad

  • Endothelial Function and White Matter Hyperintensities in Older Adults With Cardiovascular Disease

    Karin F. Hoth;David F. Tate;Athena Poppas;Daniel E. Forman;Daniel E. Forman

  • A preliminary examination of gut microbiota, sleep, and cognitive flexibility in healthy older adults.

    Jason R. Anderson;Ian Carroll;M. Andrea Azcarate-Peril;Amber D. Rochette

  • Serum brain-derived neurotrophic factor is associated with cognitive function in healthy older adults.

    John Gunstad;Andreana Benitez;Joseph Smith;Ellen Glickman

Frequent Co-Authors

Mary Beth Spitznagel
Mary Beth Spitznagel Kent State University
Ronald A. Cohen
Ronald A. Cohen University of Florida
Joel W. Hughes
Joel W. Hughes Kent State University
Michael L. Alosco
Michael L. Alosco Boston University
Lawrence H. Sweet
Lawrence H. Sweet University of Georgia
James E. Mitchell
James E. Mitchell University of North Dakota
Ross D. Crosby
Ross D. Crosby University of North Dakota
Evian Gordon
Evian Gordon University of Sydney
Angela L. Jefferson
Angela L. Jefferson Vanderbilt University Medical Center
Naftali Raz
Naftali Raz Stony Brook University

External Links

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Best Scientists Citing John Gunstad

Ronald A. Cohen

Ronald A. Cohen

University of Florida

Publications: 60

Leanne M. Williams

Leanne M. Williams

Stanford University

Publications: 58

Katharine A. Phillips

Katharine A. Phillips

Cornell University

Publications: 53

Evian Gordon

Evian Gordon

University of Sydney

Publications: 38

Grant L. Iverson

Grant L. Iverson

Harvard University

Publications: 37

Lawrence H. Sweet

Lawrence H. Sweet

University of Georgia

Publications: 36

Stuart M. Grieve

Stuart M. Grieve

University of Sydney

Publications: 33

Roger S. McIntyre

Roger S. McIntyre

University of Toronto

Publications: 27

Xiang Yang Zhang

Xiang Yang Zhang

Chinese Academy of Sciences

Publications: 25

Martijn Arns

Martijn Arns

Brainclinics

Publications: 24

Kirk I. Erickson

Kirk I. Erickson

University of Pittsburgh

Publications: 23

Nathan Herrmann

Nathan Herrmann

Sunnybrook Health Science Centre

Publications: 22

Peter R. Schofield

Peter R. Schofield

Neuroscience Research Australia

Publications: 22

Rael T. Lange

Rael T. Lange

Uniformed Services University of the Health Sciences

Publications: 21

Sabine Wilhelm

Sabine Wilhelm

Harvard University

Publications: 20

Fernando Fernández-Aranda

Fernando Fernández-Aranda

University of Barcelona

Publications: 20

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