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D-Index & Metrics

Psychology

D-Index
36
Citations
5263
World Ranking
9540
National Ranking
656

Zach Walsh 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 Zach Walsh 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: 98 publications — 19th percentile

19% of scientists in this discipline score the same or lower.

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

Zach Walsh 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 Zach Walsh 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: 36 D-Index — 19th percentile

19% of scientists in this discipline score the same or lower.

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

Overview

Zach Walsh is affiliated with the University of British Columbia in Canada. Their research focuses on medicine, with significant contributions in pharmacology, clinical psychology, epidemiology, computational theory and mathematics, and pediatrics, perinatology, and child health.

The scientist's work primarily examines topics such as cannabis and cannabinoid research, psychedelics and drug studies, substance abuse treatment and outcomes, treatment of major depression, advanced graph theory research, prenatal substance exposure effects, and opioid use disorder treatment.

Frequent publication venues for Zach Walsh include arXiv (Cornell University), Journal of Psychoactive Drugs, Scientific Reports, International Journal of Drug Policy, and BJPsych Open.

Coauthors who have collaborated extensively with Zach Walsh include Michelle St. Pierre, M-J Milloy, Pamela Kryskow, Joseph M. Rootman, and Philippe Lucas.

Significant recent papers authored or coauthored by Zach Walsh are:

  • Ketamine for the treatment of mental health and substance use disorders: comprehensive systematic review (2021, BJPsych Open)

Other relevant papers in related fields include:

  • Cannabis Significantly Reduces the Use of Prescription Opioids and Improves Quality of Life in Authorized Patients: Results of a Large Prospective Study (2020, Pain Medicine)
  • Adults who microdose psychedelics report health related motivations and lower levels of anxiety and depression compared to non-microdosers (2021, Scientific Reports)
  • Cannabis education needs assessment among Canadian physicians-in-training (2020, Complementary Therapies in Medicine)
  • Clinical Practice Guidelines for Cannabis and Cannabinoid-Based Medicines in the Management of Chronic Pain and Co-Occurring Conditions (2023, Cannabis and Cannabinoid Research)

Best Publications

  • MDMA-assisted psychotherapy for treatment of PTSD: study design and rationale for phase 3 trials based on pooled analysis of six phase 2 randomized controlled trials

    Michael C. Mithoefer;Allison A. Feduccia;Lisa Jerome;Anne Mithoefer

  • Cannabis for therapeutic purposes: patient characteristics, access, and reasons for use.

    Zach Walsh;Robert Callaway;Lynne Belle-Isle;Rielle Capler

  • Medical cannabis access, use, and substitution for prescription opioids and other substances: A survey of authorized medical cannabis patients

    Philippe Lucas;Zach Walsh

  • Medical cannabis and mental health: A guided systematic review

    Zach Walsh;Raul Gonzalez;Kim Crosby;Michelle S. Thiessen

  • Ketamine for the treatment of mental health and substance use disorders: comprehensive systematic review

    Unknown

  • Substituting cannabis for prescription drugs, alcohol and other substances among medical cannabis patients: The impact of contextual factors

    Philippe Lucas;Zach Walsh;Kim Crosby;Robert Callaway

  • Kratom use and mental health: A systematic review.

    Marc T. Swogger;Zach Walsh

  • Experiences of Kratom Users: A Qualitative Analysis

    Marc T Swogger;Elaine Hart;Fire Erowid;Earth Erowid

  • PSYCHOPATHY AND INSTRUMENTAL VIOLENCE: FACET LEVEL RELATIONSHIPS

    Zach Walsh;Marc T. Swogger;David S. Kosson

  • Domestic violence and psychopathic traits: distinguishing the antisocial batterer from other antisocial offenders.

    Marc T. Swogger;Marc T. Swogger;Zach Walsh;David S. Kosson

  • The Evidentiary Introduction of Psychopathy Checklist-Revised Assessed Psychopathy in U.S. Courts: Extent and Appropriateness*

    Tiffany Walsh;Zach Walsh

  • Subtypes of partner violence perpetrators among male and female psychiatric patients.

    Zach Walsh;Marc T. Swogger;Brian P. O'Connor;Yael Chatav Schonbrun

  • Beyond social deviance: substance use disorders and the dimensions of psychopathy.

    Zach Walsh;Lindsay C. Allen;David S. Kosson

  • Barriers to access for Canadians who use cannabis for therapeutic purposes.

    Lynne Belle-Isle;Lynne Belle-Isle;Zach Walsh;Robert Callaway;Philippe Lucas

  • Psychopathy and Violent Crime: A Prospective Study of the Influence of Socioeconomic Status and Ethnicity

    Zach Walsh;David S. Kosson

  • Psychopathy, IQ, and violence in European American and African American county jail inmates.

    Zach Walsh;Marc T. Swogger;David S. Kosson

  • Psychopathy and violence: the importance of factor level interactions.

    Zach Walsh;David S. Kosson

  • Impulsive versus premeditated aggression in the prediction of violent criminal recidivism

    Marc T. Swogger;Zach Walsh;Michael Christie;Brittany M. Priddy

  • Efficacy, Tolerability, and Safety of Cannabinoid Treatments in the Rheumatic Diseases: A Systematic Review of Randomized Controlled Trials.

    Mary Ann Fitzcharles;Peter A. Ste-Marie;Winfried Häuser;Daniel J. Clauw

  • Psychopathy and Risk Taking among Jailed Inmates

    Marc T. Swogger;Zach Walsh;C.W. Lejuez;David S. Kosson

  • Psychopathy and Axis I psychiatric disorders among criminal offenders: relationships to impulsive and proactive aggression

    Marc T. Swogger;Zach Walsh;Rebecca J. Houston;Sarah Cashman-Brown

Frequent Co-Authors

David S. Kosson
David S. Kosson Rosalind Franklin University of Medicine and Science
Kenneth R. Conner
Kenneth R. Conner University of Rochester Medical Center
Thomas Kerr
Thomas Kerr University of British Columbia
Jane A. Buxton
Jane A. Buxton University of British Columbia
Shirley Yen
Shirley Yen Harvard Medical School
Charles A. Sanislow
Charles A. Sanislow Wesleyan University
M. Tracie Shea
M. Tracie Shea Brown University
Gregory L. Stuart
Gregory L. Stuart University of Tennessee at Knoxville
Robert L. Stout
Robert L. Stout Brown University
John G. Gunderson
John G. Gunderson Harvard University

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