2026 Mark A. Riddle: Medicine Researcher – H-Index, Publications & Awards

Discipline name	D-Index	World Ranking	Current World Ranking	National Ranking	Current National Ranking	Publications	Citations
Medicine	94	10407	9769	5358	4949	273	35645

Overview

Mark A. Riddle is affiliated with the Johns Hopkins University School of Medicine in the United States. Their research primarily spans the field of Psychology with a focus on Clinical Psychology, Cognitive Neuroscience, Developmental and Educational Psychology, General Health Professions, and Psychiatry and Mental health.

The scientist's work addresses several main topics, including:

Child and Adolescent Psychosocial and Emotional Development
Obsessive-Compulsive Spectrum Disorders
Autism Spectrum Disorder Research
Child and Adolescent Health
Adolescent and Pediatric Healthcare
Diet and metabolism studies
Cognitive and developmental aspects of mathematical skills

Mark A. Riddle has contributed to multiple recent publications. Selected papers include:

Metformin add-on vs. antipsychotic switch vs. continued antipsychotic treatment plus healthy lifestyle education in overweight or obese youth with severe mental illness: results from the IMPACT trial (2020), published in World Psychiatry
Exome sequencing in obsessive-compulsive disorder reveals a burden of rare damaging coding variants (2021), published in Nature Neuroscience
Genome-wide association study of pediatric obsessive-compulsive traits: shared genetic risk between traits and disorder (2021), published in Translational Psychiatry
Is Persistent Motor or Vocal Tic Disorder a Milder Form of Tourette Syndrome? (2021), published in Movement Disorders
Genome-wide association study identifies new locus associated with OCD (2021), published in bioRxiv (Cold Spring Harbor Laboratory)

Their frequent co-authors include O. Joseph Bienvenu, Janice Krasnow, Fernando S. Goes, Gerald Nestadt, and Jack Samuels. Mark A. Riddle commonly publishes in the Journal of the American Academy of Child & Adolescent Psychiatry, Psychiatric Services, World Psychiatry, Nature Neuroscience, and Translational Psychiatry.

Mark A. Riddle has also contributed to book publications, notably the title Pediatric Psychopharmacology for Primary Care (2021), published by the American Academy of PediatricsItasca, IL eBooks.

Best Publications

The Yale Global Tic Severity Scale: Initial Testing of a Clinician-Rated Scale of Tic Severity

James F. Leckman;Mark A. Riddle;Maureen T. Hardin;Sharon I. Ort

2528
Citations
Children's Yale-Brown Obsessive Compulsive Scale: Reliability and Validity

Lawrence Scahill;Mark A. Riddle;Maureen McSWIGGIN-HARDIN;Sharon I. Ort

2394
Citations
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

1978
Citations
A family study of obsessive-compulsive disorder.

Gerald Nestadt;Jack Samuels;Mark Riddle;O. Joseph Bienvenu

878
Citations
The relationship of obsessive–compulsive disorder to possible spectrum disorders: results from a family study

O. Joseph Bienvenu;Jack F. Samuels;Mark A. Riddle;Rudolf Hoehn-Saric

793
Citations
Psychotropic practice patterns for youth: a 10-year perspective.

Julie Magno Zito;Daniel J. Safer;Susan dosReis;James F. Gardner

750
Citations
Efficacy and Safety of Immediate-Release Methylphenidate Treatment for Preschoolers with ADHD.

Laurence Greenhill;Scott Kollins;Howard Abikoff;James Mccracken

641
Citations
Revealing the complex genetic architecture of obsessive-compulsive disorder using meta-analysis

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

622
Citations
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

570
Citations
Prevalence and correlates of hoarding behavior in a community-based sample.

Jack F. Samuels;O. Joseph Bienvenu;Marco A. Grados;Bernadette Cullen

549
Citations
Reduced basal ganglia volumes in Tourette's syndrome using three-dimensional reconstruction techniques from magnetic resonance images

B. Peterson;M. A. Riddle;D. J. Cohen;L. D. Katz

521
Citations
The Pediatric Anxiety Rating Scale (PARS): Development and Psychometric Properties

Ma Riddle;Gs Ginsburg;Jt Walkup;Mj Labellarte

489
Citations
Fluvoxamine for children and adolescents with obsessive-compulsive disorder: a randomized, controlled, multicenter trial.

Mark A. Riddle;Elizabeth A. Reeve;Jose A. Yaryura-Tobias;Hwa Ming Yang

470
Citations
Clonidine treatment of Gilles de la Tourette's syndrome

James F. Leckman;Maureen T. Hardin;Mark A. Riddle;John Stevenson

438
Citations
Hoarding in obsessive compulsive disorder: Results from a case-control study

J. Samuels;O. Joseph Bienvenu;M.A. Riddle;B.A.M. Cullen

431
Citations
Treatment of ADHD in children with tics: A randomized controlled trial

Roger Kurlan;Christopher G. Goetz;Michael P. McDermott;Sandra Plumb

427
Citations
Double-blind, crossover trial of fluoxetine and placebo in children and adolescents with obsessive-compulsive disorder.

Mark A. Riddle;Lawrence Scahill;Robert A. King;Maureen T. Hardin

427
Citations
Genome-wide association study of obsessive-compulsive disorder.

S. E. Stewart;D. Yu;J. M. Scharf;B. M. Neale

420
Citations
Obsessive compulsive disorder in children and adolescents: phenomenology and family history.

Mark A. Riddle;Lawrence Scahill;Robert King;Maureen T. Hardin

416
Citations
Beyond the serotonin hypothesis: A role for dopamine in some forms of obsessive compulsive disorder?

Wayne K. Goodman;Christopher J. McDougle;Lawrence H. Price;Mark A. Riddle

410
Citations

Frequent Co-Authors

James T. McCracken University of California, Los Angeles

Gerald Nestadt Johns Hopkins University School of Medicine

James F. Leckman Yale University

David L. Pauls Harvard University

Donald J. Cohen Yale University

John Piacentini University of California, Los Angeles

Benjamin D. Greenberg Brown University

Yin Yao Shugart National Institutes of Health

Abby J. Fyer Columbia University

John T. Walkup Lurie Children's Hospital

External Links

Personal website of Mark A. Riddle

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