Evidence map›Paper›PMID 33942911›Full record

ArticleMovement disorders : official journal of the Movement Disorder Society2021

Is Persistent Motor or Vocal Tic Disorder a Milder Form of Tourette Syndrome?

Karla Claudio-Campos, Daniel Stevens, Sang-Wahn Koo, Alexa Valko, Oscar Joseph Bienvenu, Cathy B Budman, Danielle C Cath, Sabrina Darrow, Daniel Geller, Fernando S Goes and 22 more

Open access · hybridAbstract read
In one paragraph

Article in Movement disorders : official journal of the Movement Disorder Society, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 24 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
24citing papers in PubMed, 1 pooled it
4.2field-weighted citation impact, top 6% of its field
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

24 citing papers in PubMed, 1 synthesis or guideline pooled it, 41 citations in OpenAlex.

  1. Pooled it
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  10. Optimization of self- or parent-reported psychiatric phenotypes in longitudinal studies.Journal of child psychology and psychiatry, and allied disciplines · 2025
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  13. Auditory gating and its clinical correlates in adults with chronic tic disorder and neurotypical adults.Clinical neurophysiology : official journal of the International Federation of Clinical Neurophysiology · 2024
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4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

32 authors at 17 institutions in 4 countries.

Karla Claudio-CamposDepartment of Pharmacotherapy and Translational Research, University of Florida College of Pharmacy, Gainesville, Florida, USA.
Daniel StevensDepartment of Psychiatry and Behavioral Sciences Baltimore, Johns Hopkins University School of Medicine, Baltimore, Maryland, USA.
Sang-Wahn KooDepartment of Psychiatry, University of Florida College of Medicine, Gainesville, Florida, USA.
Alexa ValkoDepartment of Psychiatry, University of Florida College of Medicine, Gainesville, Florida, USA.
Oscar Joseph BienvenuDepartment of Psychiatry and Behavioral Sciences Baltimore, Johns Hopkins University School of Medicine, Baltimore, Maryland, USA.
Cathy B BudmanDepartment of Psychiatry, Zucker School of Medicine, Hempstead, New York, USA.
Danielle C CathDepartment of Psychiatry, University of Groningen, Groningen, the Netherlands.
Sabrina DarrowSchool of Medicine, University of California, San Francisco, San Francisco, California, USA.
Daniel GellerDepartment of Psychiatry, Harvard Medical School, Boston, Massachusetts, USA.
Fernando S GoesDepartment of Psychiatry and Behavioral Sciences Baltimore, Johns Hopkins University School of Medicine, Baltimore, Maryland, USA.
Marco A GradosDepartment of Psychiatry and Behavioral Sciences Baltimore, Johns Hopkins University School of Medicine, Baltimore, Maryland, USA.
Benjamin D GreenbergDepartment of Psychiatry and Human Behavior, Alpert Medical School of Brown University, Butler Hospital, and Providence VA Medical Center, Providence, Rhode Island, USA.
Erica GreenbergDepartment of Psychiatry, Harvard Medical School, Boston, Massachusetts, USA.
Matthew E HirschtrittDepartment of Specialized Trainings, GGZ Drenthe Mental Health Institute, University Medical Center, Assen, the Netherlands.
Cornelia IllmannDepartment of Psychiatry, Psychiatric and Neurodevelopmental Genetics Unit, Massachusetts General Hospital, Boston, Massachusetts, USA.
Franjo IvankovicDepartment of Psychiatry and Genetics Institute, University of Florida College of Medicine, Gainesville, Florida, USA.
Robert A KingYale Child Study Center and Department of Genetics, Yale University School of Medicine, New Haven, Connecticut, USA.
James A KnowlesDepartment of Cell Biology, SUNY Downstate Medical Center College of Medicine, Brooklyn, New York, USA.
Janice KrasnowDepartment of Psychiatry and Behavioral Sciences Baltimore, Johns Hopkins University School of Medicine, Baltimore, Maryland, USA.
Paul C LeeDepartment of Behavioral Health, Tripler Army Medical Center, Honolulu, Hawaii, USA.
Gholson J LyonDivision of Human Genetics, Institute for Basic Research in Developmental Disabilities (IBR), Staten Island, New York, USA.
James T McCrackenDepartment of Psychiatry and Biobehavioral Sciences, University of California, Los Angeles School of Medicine, Los Angeles, California, USA.
Mary M RobertsonDepartment of Psychiatry, University College of London, London, United Kingdom.
Lisa OsieckiYale Child Study Center and Department of Genetics, Yale University School of Medicine, New Haven, Connecticut, USA.
Mark A RiddleDepartment of Psychiatry and Behavioral Sciences Baltimore, Johns Hopkins University School of Medicine, Baltimore, Maryland, USA.
Guy RouleauDepartment of Neurology and Neurosurgery, Montreal Neurological Institute-Hospital, McGill University, Montreal, Quebec, Canada.ORCID 0000-0001-8403-1418
Paul SandorDepartment of Psychiatry, University of Toronto and University Health Network, Toronto, Ontario, Canada.
Gerald NestadtDepartment of Psychiatry and Behavioral Sciences Baltimore, Johns Hopkins University School of Medicine, Baltimore, Maryland, USA.
Jack SamuelsDepartment of Psychiatry and Behavioral Sciences Baltimore, Johns Hopkins University School of Medicine, Baltimore, Maryland, USA.
Jeremiah M ScharfDepartment of Psychiatry, Psychiatric and Neurodevelopmental Genetics Unit, Massachusetts General Hospital, Boston, Massachusetts, USA.
Carol A MathewsDepartment of Psychiatry and Genetics Institute, University of Florida College of Medicine, Gainesville, Florida, USA.ORCID 0000-0003-2208-7058
Tourette Association of America International Consortium for Genetics (TAAICG) and the OCD Collaborative Genetics Association Study (OCGAS)
Johns Hopkins University · USUniversity of Florida · USHarvard University · USYale University · USBrown University · USGGZ Drenthe · NLHofstra University · USMassachusetts General Hospital · USMontreal Neurological Institute and Hospital · CASUNY Downstate Health Sciences University · USThe Graduate Center, CUNY · USThe London College · GBTripler Army Medical Center · USUniversity Health Network · CAUniversity of California, Los Angeles · USUniversity of California, San Francisco · USUniversity of Groningen · NL

Funding

Using social networks to map and evaluate team science across CTSA hubsUL1TR001427 · NCATS · UNIVERSITY OF FLORIDA · PI MITCHELL, DUANE A. · 2015 to 2024
$37.2M
Integrating Common and Rare Variation to Discover Genes Associated with Tourette SyndromeR01NS102371 · NINDS · MASSACHUSETTS GENERAL HOSPITAL · PI MATHEWS, CAROL A, OPHOFF, ROEL A · 2018 to 2022
$7.4M
FAMILY STUDY OF OBSESSIVE COMPULSIVE DISORDERR01MH050214 · NIMH · JOHNS HOPKINS UNIVERSITY · PI NESTADT, GERALD · 1995 to 2005
$6.6M
OCD Collaborative Genetics Association StudyR01MH071507 · NIMH · JOHNS HOPKINS UNIVERSITY · PI NESTADT, GERALD · 2007 to 2010
$6.5M
Training Program for Applied Research and Development in Genomic MedicineT32HG008958 · NHGRI · UNIVERSITY OF FLORIDA · PI Larisa Humma Cavallari, Stephen E. Kimmel · 2018 to 2026
$3.8M
Large-Scale Collaborative Genetic and Epigenetic Studies of Tourette SyndromeR01NS105746 · NINDS · MASSACHUSETTS GENERAL HOSPITAL · PI MATHEWS, CAROL A, PASCHOU, PERISTERA · 2019 to 2023
$3.1M
Interdisciplinary Training in Movement Disorders and NeurorestorationT32NS082168 · NINDS · UNIVERSITY OF FLORIDA · PI Melissa Jo Armstrong, David E Vaillancourt · 2015 to 2026
$2.8M
OCD Collaborative Genetics Association StudyR01MH079488 · NIMH · COLUMBIA UNIVERSITY HEALTH SCIENCES · PI FYER, ABBY J · 2007 to 2010
$906k
Obsessive-compulsive disorder (OCD) Collaborative Genetics Association StudyR01MH079494 · NIMH · UNIVERSITY OF SOUTHERN CALIFORNIA · PI KNOWLES, JAMES A · 2007 to 2011
$840k
NCATS NIH HHS UL1 TR001427NHGRI NIH HHS T32 HG008958NIMH NIH HHS R01 MH050214NIMH NIH HHS R01 MH071507NIMH NIH HHS R01 MH079488NIMH NIH HHS R01 MH079494NINDS NIH HHS R01 NS102371NINDS NIH HHS R01 NS105746NINDS NIH HHS T32 NS082168
6 · The paper itself

Abstract

backgroundPersistent motor or vocal tic disorder (PMVT) has been hypothesized to be a forme fruste of Tourette syndrome (TS). Although the primary diagnostic criterion for PMVT (presence of motor or vocal tics, but not both) is clear, less is known about its clinical presentation.

objectiveThe goals of this study were to compare the prevalence and number of comorbid psychiatric disorders, tic severity, age at tic onset, and family history for TS and PMVT.

methodsWe analyzed data from two independent cohorts using generalized linear equations and confirmed our findings using meta-analyses, incorporating data from previously published literature.

resultsRates of obsessive-compulsive disorder (OCD) and attention deficit hyperactivity disorder (ADHD) were lower in PMVT than in TS in all analyses. Other psychiatric comorbidities occurred with similar frequencies in PMVT and TS in both cohorts, although meta-analyses suggested lower rates of most psychiatric disorders in PMVT compared with TS. ADHD and OCD increased the odds of comorbid mood, anxiety, substance use, and disruptive behaviors, and accounted for observed differences between PMVT and TS. Age of tic onset was approximately 2 years later, and tic severity was lower in PMVT than in TS. First-degree relatives had elevated rates of TS, PMVT, OCD, and ADHD compared with population prevalences, with rates of TS equal to or greater than PMVT rates.

conclusionsOur findings support the hypothesis that PMVT and TS occur along a clinical spectrum in which TS is a more severe and PMVT a less severe manifestation of a continuous neurodevelopmental tic spectrum disorder. © 2021 The Authors. Movement Disorders published by Wiley Periodicals LLC on behalf of International Parkinson and Movement Disorder Society.

Indexed as

Attention Deficit Disorder with HyperactivityObsessive-Compulsive DisorderTic DisordersTicsTourette SyndromeComorbidityHumanschronic ticsmeta-analysisseverityTourette

Identifiers

PMID33942911
PMCPMC8453968
OpenAlexW3158796997

What OpenQuestion holds

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LicenceCC BY-NC
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Registered trials

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.