World's Best Scientists 2026 revealed!

D-Index & Metrics

Psychology

D-Index
40
Citations
7300
World Ranking
8203
National Ranking
4397

Paul J. Massman 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 Paul J. Massman 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: 88 publications — 13th percentile

13% of scientists in this discipline score the same or lower.

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

Paul J. Massman 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 Paul J. Massman 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: 40 D-Index — 30th percentile

30% of scientists in this discipline score the same or lower.

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

Overview

Paul J. Massman is affiliated with the University of Houston in the United States. Their research primarily focuses on medical fields, with a significant emphasis on psychiatry and mental health, physiology, and complementary and alternative medicine. Additional subfields include cardiology and cardiovascular medicine as well as cognitive neuroscience.

The scientific contributions of Paul J. Massman center around topics related to dementia and cognitive impairment research, as well as Alzheimer's disease research and treatments. Other areas addressed in their work include studies on Ginkgo biloba and cashew applications, blood pressure and hypertension studies, and investigations into functional brain connectivity.

Among Paul J. Massman's recent published papers are the following:

  • Safety and efficacy of pioglitazone for the delay of cognitive impairment in people at risk of Alzheimer's disease (TOMMORROW): a prognostic biomarker study and a phase 3, randomised, double-blind, placebo-controlled trial, 2021, The Lancet Neurology
  • Predictors of rate of cognitive decline in patients with amnestic mild cognitive impairment, 2020, The Clinical Neuropsychologist
  • Chinese Version of the Baylor Profound Mental Status Examination: A Brief Staging Measure for Patients with Severe Alzheimer's Disease, 2021, The Journal of Prevention of Alzheimer s Disease

Paul J. Massman has frequently co-authored research with several collaborators, including:

  • James R. Burke
  • Rachelle S. Doody
  • Daniel K. Burns
  • Robert Alexander
  • Kathleen A. Welsh-Bohmer

Their work has appeared in publication venues such as The Lancet Neurology, The Clinical Neuropsychologist, and The Journal of Prevention of Alzheimer s Disease, reflecting a focus on neurological and cognitive health research fields.

Best Publications

  • Staging dementia using Clinical Dementia Rating Scale Sum of Boxes scores: a Texas Alzheimer's research consortium study.

    Sid E. O’Bryant;Stephen C. Waring;C. Munro Cullum;James Hall

  • Profiles of demented and amnesic patients on the California verbal learning test : implications for the assessment of memory disorders

    Dean C. Delis;Paul J. Massman;Nelson Butters;David P. Salmon

  • Cognitive intervention in Alzheimer disease: a randomized placebo-controlled study.

    Robert N. Davis;Paul J. Massman;Rachelle S. Doody

  • Prevalence and correlates of neuropsychological deficits in amyotrophic lateral sclerosis.

    Paul J. Massman;Paul J. Massman;Jamie Sims;Norma Cooke;Lanny J. Haverkamp

  • Validation of the New Interpretive Guidelines for the Clinical Dementia Rating Scale Sum of Boxes Score in the National Alzheimer's Coordinating Center Database

    Sidney O'Bryant;Laura H. Lacritz;James Hall;Stephen C. Waring

  • Are all subcortical dementias alike? Verbal learning and memory in Parkinson's and Huntington's disease patients.

    Paul J. Massman;Dean C. Delis;Nelson Butters;Bonnie E. Levin

  • The subcortical dysfunction hypothesis of memory deficits in depression: neuropsychological validation in a subgroup of patients.

    Massman Pj;Delis Dc;Butters N;Dupont Rm

  • A Method for Estimating Progression Rates in Alzheimer Disease

    Rachelle Smith Doody;Paul Massman;J. Kay Dunn

  • Componential analysis of problem-solving ability: performance of patients with frontal lobe damage and amnesic patients on a new sorting test.

    Dean C. Delis;Dean C. Delis;Dean C. Delis;Larry R. Squire;Larry R. Squire;Larry R. Squire;Amy Bihrle;Amy Bihrle;Amy Bihrle;Paul J. Massman;Paul J. Massman;Paul J. Massman

  • Alzheimer's disease and mild cognitive impairment deteriorate fine movement control.

    Jin H. Yan;Susan Rountree;Paul Massman;Rachelle Smith Doody

  • Cognitive therapy versus systematic desensitization: is one treatment superior?

    Jeffrey S. Berman;R. Christopher Miller;Paul J. Massman

  • Chronic donepezil treatment is associated with slowed cognitive decline in Alzheimer's disease.

    R. S. Doody;J. K. Dunn;C. M. Clark;M. Farlow

  • Verbal memory performance of patients with human immunodeficiency virus infection : evidence of subcortical dysfunction

    Peavy G;Jacobs D;Salmon Dp;Butters N

  • Frontal-lobe mediated behavioral dysfunction in amyotrophic lateral sclerosis

    M. Witgert;M. Witgert;A. R. Salamone;A. M. Strutt;A. Jawaid

  • Survival among patients with dementia from a large multi-ethnic population.

    Stephen C Waring;Rachelle S Doody;Valory N Pavlik;Paul J Massman

  • Memory for the Rey-Osterrieth Figure: Perceptual clustering, encoding, and storage.

    Jolene S. Shorr;Dean C. Delis;Paul J. Massman

  • Directed and divided attention in Alzheimer's disease: impairment in shifting of attention to global and local stimuli.

    J V Filoteo;D C Delis;P J Massman;T Demadura

  • Decreased C-reactive protein levels in Alzheimer disease.

    Sid E. O'Bryant;Stephen C. Waring;Valerie Hobson;James R. Hall

  • Predicting progression of Alzheimer's disease

    Rachelle S Doody;Valory N Pavlik;Paul Massman;Paul Massman;Susan Rountree

  • Brain-derived neurotrophic factor levels in Alzheimer's disease.

    Sid E. O'Bryant;Valerie Hobson;James R. Hall;Stephen C. Waring

Frequent Co-Authors

Rachelle S. Doody
Rachelle S. Doody Roche (Switzerland)
Dean C. Delis
Dean C. Delis University of California, San Diego
Steven Paul Woods
Steven Paul Woods University of Houston
C. Munro Cullum
C. Munro Cullum The University of Texas Southwestern Medical Center
Paul E. Gilbert
Paul E. Gilbert San Diego State University
David P. Salmon
David P. Salmon University of California, San Diego
Mark W. Bondi
Mark W. Bondi University of California, San Diego
Larry R. Squire
Larry R. Squire University of California, San Diego
Raymond F. Palmer
Raymond F. Palmer The University of Texas Health Science Center at San Antonio
Joel H. Kramer
Joel H. Kramer University of California, San Francisco

If you think any of the details on this page are incorrect, let us know.

Report an issue

We appreciate your kind effort to assist us to improve this page, it would be helpful providing us with as much detail as possible in the text box below:

Related Online Degrees & Career Pathways

Studying psychology in the USA opens the door to a wide variety of online degrees and career options, particularly in social work, counseling, and research. Many psychology graduates choose to pursue rewarding roles in social work, where specialized education and state licensure are required. The pathway to becoming a licensed social worker varies by state, so it's crucial for aspiring professionals to familiarize themselves with specific regional requirements.

For instance, those interested in practicing in Maryland should review the Maryland social work license requirements to ensure they meet educational, exam, and experience standards. If your goal is to work in another part of the country, you might consider checking the requirements to be a social worker in Massachusetts or the Michigan social work license requirements. For those interested in the Midwest, understanding how to become a social worker in Minnesota can help guide your educational preparations.

Online psychology and social work degrees offer flexible, accredited programs designed for a broad range of career pathways, including clinical practice, school counseling, and community advocacy. Exploring state-specific requirements is an important step in aligning your academic goals with professional outcomes.

Best Scientists Citing Paul J. Massman

Trending Scientists

Recently Published Articles