World's Best Scientists 2026 revealed!

D-Index & Metrics

Medicine

D-Index
102
Citations
39005
World Ranking
7649
National Ranking
3985

Psychology

D-Index
102
Citations
39164
World Ranking
574
National Ranking
361

John Piacentini 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 Piacentini 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: 419 publications — 95th percentile

95% of scientists in this discipline score the same or lower.

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

John Piacentini 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 Piacentini 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: 102 D-Index — 95th percentile

95% 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

  • 2014 - Fellow of the American Psychological Association (APA)

Overview

John Piacentini is affiliated with the University of California, Los Angeles in the United States and specializes in research at the intersection of psychology and neuroscience. Their work primarily focuses on clinical psychology and cognitive neuroscience, contributing significantly to the understanding of obsessive-compulsive spectrum disorders and related areas in mental health.

Their research topics encompass a range of mental health and developmental conditions, including:

  • Obsessive-Compulsive Spectrum Disorders
  • Autism Spectrum Disorder Research
  • Eating Disorders and Behaviors
  • Child and Adolescent Psychosocial and Emotional Development
  • Anxiety, Depression, Psychometrics, Treatment, Cognitive Processes
  • Attention Deficit Hyperactivity Disorder
  • Child Nutrition and Feeding Issues

John Piacentini has collaborated frequently with several researchers in the field, including:

  • Emily J. Ricketts
  • Tara S. Peris
  • Douglas W. Woods
  • Joseph McGuire
  • John T. Walkup

The scientist has contributed to numerous publications in prominent academic journals. The most frequent publication venues include:

  • Journal of the American Academy of Child & Adolescent Psychiatry
  • Child Psychiatry & Human Development
  • Journal of Psychiatric Research
  • SLEEP
  • Translational Psychiatry

Some of the recent papers published by John Piacentini are:

  • Rapid Onset Functional Tic-Like Behaviors in Young Females During the COVID-19 Pandemic, 2021, Movement Disorders
  • OUP accepted manuscript, 2020, Brain
  • Structural neuroimaging biomarkers for obsessive-compulsive disorder in the ENIGMA-OCD consortium: medication matters, 2020, Translational Psychiatry
  • Identifying subtypes of trichotillomania (hair pulling disorder) and excoriation (skin picking) disorder using mixture modeling in a multicenter sample, 2020, Journal of Psychiatric Research
  • The thalamus and its subnuclei-a gateway to obsessive-compulsive disorder, 2022, Translational Psychiatry

John Piacentini's main fields of study are psychology, with 142 publications, and neuroscience, with 51 publications. Within these fields, their research further emphasizes subfields such as clinical psychology, cognitive neuroscience, experimental and cognitive psychology, psychiatry, mental health, and education.

Recognition of their work includes receiving the title of Fellow of the American Psychological Association (APA) in 2014.

Best Publications

  • The NIMH Diagnostic Interview Schedule for Children Version 2.3 (DISC-2.3): Description, Acceptability, Prevalence Rates, and Performance in the MECA Study

    David Shaffer;Prudence Fisher;Mina K. Dulcan;Mark Davies

  • Analysis of shared heritability in common disorders of the brain

    Verneri Anttila;Verneri Anttila;Brendan Bulik-Sullivan;Brendan Bulik-Sullivan;Hilary K. Finucane;Raymond K. Walters;Raymond K. Walters

  • Cognitive Behavioral Therapy, Sertraline, or a Combination in Childhood Anxiety

    John T. Walkup;Anne Marie Albano;John Piacentini;Boris Birmaher

  • Behavior Therapy for Children With Tourette Disorder: A Randomized Controlled Trial

    John Piacentini;Douglas W. Woods;Lawrence Scahill;Sabine Wilhelm

  • A developmental psychopathology model of childhood traumatic stress and intersection with anxiety disorders

    Robert S Pynoos;Alan M Steinberg;John C Piacentini

  • Concurrent validity of the anxiety disorders section of the Anxiety Disorders Interview Schedule for DSM-IV: child and parent versions.

    Jeffrey J. Wood;John C. Piacentini;R. Lindsey Bergman;James McCracken

  • Functional impairment in children and adolescents with obsessive-compulsive disorder.

    John Piacentini;R. Lindsey Bergman;Melody Keller;James McCracken

  • Revealing the complex genetic architecture of obsessive-compulsive disorder using meta-analysis

    Paul D. Arnold;Kathleen D. Askland;Cristina Barlassina;Laura Bellodi

  • Premonitory Urge for Tics Scale (PUTS): initial psychometric results and examination of the premonitory urge phenomenon in youths with Tic disorders.

    Douglas W Woods;John Piacentini;Michael B Himle;Susanna Chang

  • Fluvoxamine for the Treatment of Anxiety Disorders in Children and Adolescents

    John T. Walkup;Michael J. Labellarte;Mark A. Riddle;Daniel S. Pine;Daniel S. Pine

  • Psychopathology in the Parents of Children with Conduct Disorder and Hyperactivity

    Benjamin B. Lahey;John C. Piacentini;Keith McBURNETT;Penny Stone

  • Combining discrepant diagnostic information from multiple sources: are complex algorithms better than simple ones?

    John C. Piacentini;Patricia Cohen;Jacob Cohen

  • Clinical Characteristics of Anxiety Disordered Youth

    Philip C. Kendall;Scott N. Compton;John T. Walkup;Boris Birmaher

  • Practice guideline recommendations summary: Treatment of tics in people with Tourette syndrome and chronic tic disorders.

    Tamara Pringsheim;Michael S. Okun;Kirsten Müller-Vahl;Davide Martino

  • Prevalence and Description of Selective Mutism in a School-Based Sample

    R. Lindsey Bergman;John Piacentini;James T. Mccracken

  • Family cognitive behavioral therapy for child anxiety disorders

    Jeffrey J. Wood;John C. Piacentini;Michael Southam-Gerow;Brian C. Chu

  • Child/Adolescent Anxiety Multimodal Study (CAMS): rationale, design, and methods

    Scott N Compton;John T Walkup;Anne Marie Albano;John C Piacentini

  • Remission after acute treatment in children and adolescents with anxiety disorders: findings from the CAMS.

    Golda S. Ginsburg;Philip C. Kendall;Dara Sakolsky;Scott N. Compton

  • Impairment in childhood anxiety disorders: preliminary examination of the child anxiety impact scale-parent version.

    Audra K. Langley;R. Lindsey Bergman;James McCracken;John C. Piacentini

  • Genome-wide association study in obsessive-compulsive disorder: results from the OCGAS

    Mattheisen M;Samuels Jf;Wang Y;Greenberg Bd

  • Sensitivity of the Diagnostic Interview Schedule for Children, 2nd Edition (DISC-2.1) for Specific Diagnoses of Children and Adolescents

    Prudence W. Fisher;David Shaffer;John C. Piacentini;Joanna Lapkin

Frequent Co-Authors

James T. McCracken
James T. McCracken University of California, Los Angeles
John T. Walkup
John T. Walkup Lurie Children's Hospital
Golda S. Ginsburg
Golda S. Ginsburg University of Connecticut
Douglas W. Woods
Douglas W. Woods Marquette University
Tara S. Peris
Tara S. Peris University of California, Los Angeles
Philip C. Kendall
Philip C. Kendall Temple University
Scott N. Compton
Scott N. Compton Duke University
Joseph F. McGuire
Joseph F. McGuire University of California, Los Angeles
Anne Marie Albano
Anne Marie Albano Columbia University
Boris Birmaher
Boris Birmaher University of Pittsburgh

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Online psychology degrees can provide a flexible route to these career paths, but always confirm your program aligns with your state’s specific requirements. Proper planning will help ensure you’re ready for licensure and future success in the field.

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