World's Best Scientists 2026 revealed!

D-Index & Metrics

Psychology

D-Index
52
Citations
10969
World Ranking
4984
National Ranking
2736

Kevin Duff 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 Kevin Duff 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: 225 publications — 76th percentile

76% of scientists in this discipline score the same or lower.

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

Kevin Duff 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 Kevin Duff 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: 52 D-Index — 57th percentile

57% of scientists in this discipline score the same or lower.

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

Research.com Recognitions

  • 2019 - Fellow of the American Psychological Association (APA)

Overview

Kevin Duff is affiliated with Oregon Health & Science University in the United States. Their research primarily spans the field of Medicine, with a focus on Psychiatry and Mental Health, Cognitive Neuroscience, Physiology, Rehabilitation, and Geriatrics and Gerontology.

The scientist's work addresses key topics such as Dementia and Cognitive Impairment Research, Functional Brain Connectivity Studies, Stroke Rehabilitation and Recovery, Frailty in Older Adults, Alzheimer's Disease Research and Treatments, Health Systems with Economic Evaluations and Quality of Life, and Health, Environment, and Cognitive Aging.

They have contributed to several journals and publication venues, with frequent appearances in:

  • Alzheimer's & Dementia
  • Journal of Clinical and Experimental Neuropsychology
  • The Clinical Neuropsychologist
  • Journal of Alzheimer's Disease
  • Archives of Clinical Neuropsychology

Notable recent publications by Kevin Duff include:

  • Neural Mechanisms of Motor Dysfunction in Mild Cognitive Impairment and Alzheimer's Disease: A Systematic Review (2022), Journal of Alzheimer's Disease Reports
  • Resting EEG spectral slopes are associated with age-related differences in information processing speed (2022), Biological Psychology
  • Evaluating the Impact of Cochlear Implantation on Cognitive Function in Older Adults (2021), The Laryngoscope
  • Delayed and More Variable Unimanual and Bimanual Finger Tapping in Alzheimer's Disease: Associations with Biomarkers and Applications for Classification (2023), Journal of Alzheimer's Disease
  • Using a Timed Motor Task to Predict One-Year Functional Decline in Amnestic Mild Cognitive Impairment (2020), Journal of Alzheimer's Disease

Frequent co-authors of Kevin Duff include Sydney Y. Schaefer, Dustin B. Hammers, Ava Dixon, Jace B. King, and John M. Hoffman, reflecting ongoing collaborative research efforts.

In 2019, Kevin Duff was recognized as a Fellow of the American Psychological Association (APA), an award indicative of standing within the professional community.

Best Publications

  • Detection of Huntington’s disease decades before diagnosis: The Predict HD study

    Jane Paulsen;Douglas R Langbehn;Julie C Stout;Elizabeth H Aylward

  • Psychiatric Symptoms in Huntington’s Disease before Diagnosis: The Predict-HD Study

    Kevin Duff;Jane S. Paulsen;Leigh J. Beglinger;Douglas R. Langbehn

  • Evidence-Based Indicators of Neuropsychological Change in the Individual Patient: Relevant Concepts and Methods

    Kevin Duff

  • Neurocognitive Signs in Prodromal Huntington Disease

    Julie C. Stout;Jane S. Paulsen;Sarah Queller;Andrea C. Solomon

  • Practice effects and the use of alternate forms in serial neuropsychological testing

    Leigh J. Beglinger;Brenda Gaydos;Oranee Tangphao-Daniels;Kevin Duff

  • Test performance and classification statistics for the Rey Auditory Verbal Learning Test in selected clinical samples

    Mike R. Schoenberg;Kyra A. Dawson;Kevin Duff;Doyle Patton

  • Utility of the RBANS in detecting cognitive impairment associated with Alzheimer's disease: sensitivity, specificity, and positive and negative predictive powers.

    Kevin Duff;Joy D. Humphreys Clark;Sid E. O’Bryant;James W. Mold

  • Beyond disgust: impaired recognition of negative emotions prior to diagnosis in Huntington's disease

    Shannon A Johnson;Shannon A Johnson;Julie C Stout;Julie C Stout;Andrea C Solomon;Douglas R Langbehn

  • The relationship between executive functioning and verbal and visual learning and memory.

    Kevin Duff;Mike R. Schoenberg;James G. Scott;Russell L. Adams

  • “Frontal” Behaviors Before the Diagnosis of Huntington’s Disease and Their Relationship to Markers of Disease Progression: Evidence of Early Lack of Awareness

    Kevin Duff;Jane S. Paulsen;Leigh J. Beglinger;Douglas R. Langbehn

  • Practitioner's guide to evaluating change with neuropsychological assessment instruments

    Robert J. McCaffrey;Kevin Duff;Holly James Westervelt

  • Mild cognitive impairment in prediagnosed Huntington disease.

    Kevin Duff;Jane Paulsen;J Mills;L Beglinger

  • Motor abnormalities in premanifest persons with Huntington's disease: The PREDICT‐HD study

    Kevin M. Biglan;Christopher A. Ross;Douglas R. Langbehn;Elizabeth H. Aylward

  • "Frontal" behaviors before the diagnosis of Huntington's disease and their relationship to markers of disease progression

    Kevin Duff;Jane S. Paulsen;Leigh J. Beglinger;Douglas R. Langbehn

  • Age- and Education-Corrected Independent Normative Data for the RBANS in a Community Dwelling Elderly Sample

    Kevin Duff;Doyle Patton;Mike R. Schoenberg;James Mold

  • Earliest functional declines in Huntington disease

    Leigh J. Beglinger;Justin J.F. O'Rourke;Chiachi Wang;Douglas R. Langbehn

  • Practice effects in the prediction of long-term cognitive outcome in three patient samples: A novel prognostic index

    Kevin Duff;Leigh J Beglinger;Susan K Schultz;David J Moser

  • The Pocket Smell Test: successfully discriminating probable Alzheimer's dementia from vascular dementia and major depression.

    Kevin Duff;Robert J. McCaffrey;Gary S. Solomon

  • Verbal episodic memory declines prior to diagnosis in Huntington's disease

    Andrea C Solomon;Julie C Stout;Shannon A Johnson;Douglas R Langbehn

  • Electrical Injury and Lightning Injury: A Review of Their Mechanisms and Neuropsychological, Psychiatric, and Neurological Sequelae

    Kevin Duff;Robert J. McCaffrey

Frequent Co-Authors

Leigh J. Beglinger
Leigh J. Beglinger University of Iowa
Jane S. Paulsen
Jane S. Paulsen University of Wisconsin–Madison
Douglas R. Langbehn
Douglas R. Langbehn University of Iowa
Robert J. McCaffrey
Robert J. McCaffrey University at Albany, State University of New York
Julie C. Stout
Julie C. Stout Monash University
John M. Hoffman
John M. Hoffman University of Utah
Elizabeth Aylward
Elizabeth Aylward Seattle Children's Hospital
James G. Scott
James G. Scott QIMR Berghofer Medical Research Institute
Mark Guttman
Mark Guttman University of Toronto
Norman L. Foster
Norman L. Foster University of Utah

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