2023
Functional connectivity during tic suppression predicts reductions in vocal tics following behavior therapy in children with Tourette syndrome
Morand-Beaulieu S, Crowley M, Grantz H, Leckman J, Sukhodolsky D. Functional connectivity during tic suppression predicts reductions in vocal tics following behavior therapy in children with Tourette syndrome. Psychological Medicine 2023, 53: 7857-7864. PMID: 37485677, PMCID: PMC10755221, DOI: 10.1017/s0033291723001940.Peer-Reviewed Original ResearchMeSH KeywordsAdolescentAdultBehavior TherapyChildHumansSeverity of Illness IndexTic DisordersTicsTourette SyndromeConceptsVoluntary tic suppressionTic suppressionVocal tic severityFunctional connectivityTic severityTourette syndromeRight superior frontal gyrusFirst-line treatmentBehavior therapyComprehensive Behavioral InterventionSuperior frontal gyrusRight angular gyrusVocal ticsFunctional brain networksBehavioral interventionsUsual control conditionFrontal gyrusBaselineAngular gyrusSeverityBrain networksSyndromeChildrenTherapyGyrusProtocol description for a randomized controlled trial of fMRI neurofeedback for tics in adolescents with Tourette Syndrome
Awasthi J, Harris-Starling C, Kalvin C, Pittman B, Park H, Bloch M, Fernandez T, Sukhodolsky D, Hampson M. Protocol description for a randomized controlled trial of fMRI neurofeedback for tics in adolescents with Tourette Syndrome. Psychiatry Research Neuroimaging 2023, 336: 111692. PMID: 37673711, PMCID: PMC10722977, DOI: 10.1016/j.pscychresns.2023.111692.Peer-Reviewed Case Reports and Technical NotesConceptsTourette syndromeFunctional magnetic resonance imagingStudy protocolChronic tic disorderSupplementary motor areaLower functional connectivityMagnetic resonance imagingResearch study protocolLarge trialsClinical trialsTic disordersMotor areaBrain areasControl groupResonance imagingBrain regionsNew trialsFunctional connectivityNeurofeedback interventionFMRI neurofeedbackNF protocolTrialsNF studiesSyndromeIntervention
2022
Evaluation of EEG biomarkers of Comprehensive Behavioral Intervention for Tics in children with Tourette syndrome
Morand-Beaulieu S, Crowley MJ, Grantz H, Leckman JF, Scahill L, Sukhodolsky DG. Evaluation of EEG biomarkers of Comprehensive Behavioral Intervention for Tics in children with Tourette syndrome. Clinical Neurophysiology 2022, 142: 75-85. PMID: 35987093, DOI: 10.1016/j.clinph.2022.07.500.Peer-Reviewed Original ResearchMeSH KeywordsBiomarkersChildElectroencephalographyHumansSeverity of Illness IndexTic DisordersTicsTourette SyndromeConceptsClinical Global Impressions-Improvement scaleYale Global Tic Severity ScaleComprehensive Behavioral InterventionGo/NoGo taskTourette syndromeTreatment outcomesEEG coherenceTic severityNoGo taskBehavioral interventionsFirst-line treatmentTic Severity ScaleClinical outcomesMotor areaSeverity ScaleAlpha frequency bandBlinded evaluatorsTic controlMotor responseEEG biomarkersOutcomesSyndromeBrain mechanismsSeverityIntervention
2017
Extended-Release Guanfacine Does Not Show a Large Effect on Tic Severity in Children with Chronic Tic Disorders
Murphy TK, Fernandez TV, Coffey BJ, Rahman O, Gavaletz A, Hanks CE, Tillberg CS, Gomez LI, Sukhodolsky DG, Katsovich L, Scahill L. Extended-Release Guanfacine Does Not Show a Large Effect on Tic Severity in Children with Chronic Tic Disorders. Journal Of Child And Adolescent Psychopharmacology 2017, 27: 762-770. PMID: 28723227, DOI: 10.1089/cap.2017.0024.Peer-Reviewed Original ResearchConceptsExtended-release guanfacineLack of efficacyChronic tic disorderGuanfacine groupPlacebo groupYGTSS total scoreAdverse eventsTotal scoreTic disordersYale Global Tic Severity Scale total scoreClinical Global Impressions-Improvement scaleCommon adverse eventsPlacebo-controlled trialKey secondary outcomesPrimary outcome measureLarger efficacy trialScale total scoreDry mouthSecondary outcomesPreliminary efficacyWeek 8Efficacy trialsOutcome measuresTic severityTourette's disorder
2014
Variables Associated With Tic Exacerbation in Children With Chronic Tic Disorders
Himle MB, Capriotti MR, Hayes LP, Ramanujam K, Scahill L, Sukhodolsky DG, Wilhelm S, Deckersbach T, Peterson AL, Specht MW, Walkup JT, Chang S, Piacentini J. Variables Associated With Tic Exacerbation in Children With Chronic Tic Disorders. Behavior Modification 2014, 38: 163-183. PMID: 24778433, PMCID: PMC4211980, DOI: 10.1177/0145445514531016.Peer-Reviewed Original Research
2007
Drug and non-drug treatments of children with ADHD and tic disorders
Poncin Y, Sukhodolsky DG, McGuire J, Scahill L. Drug and non-drug treatments of children with ADHD and tic disorders. European Child & Adolescent Psychiatry 2007, 16: 78-88. PMID: 17665286, DOI: 10.1007/s00787-007-1010-8.ChaptersConceptsAttention deficit hyperactivity disorderTreatment of ADHDTreatment of ticsTic disordersTreatment of childrenStimulant medicationWorsening of ticsNon-pharmacological approachesNon-drug treatmentsChronic tic disorderMinority of childrenDeficit hyperactivity disorderMild ticsSignificant morbiditySchool-aged childrenNovel treatmentsMedicationsLiterature searchPreponderance of evidenceAdverse effectsHyperactivity disorderDisordersMore studiesTreatmentChildren
2006
Randomized Trial of Parent Management Training in Children With Tic Disorders and Disruptive Behavior
Scahill L, Sukhodolsky DG, Bearss K, Findley D, Hamrin V, Carroll DH, Rains AL. Randomized Trial of Parent Management Training in Children With Tic Disorders and Disruptive Behavior. Journal Of Child Neurology 2006, 21: 650-656. PMID: 16970865, DOI: 10.1177/08830738060210080201.Peer-Reviewed Original ResearchConceptsTic disordersParent management trainingUsual groupClinical Global ImpressionShort-term efficacyRating Scale scoresShort-term improvementDisruptive behaviorRandomized trialsStable medicationBehavior rating scale scoresGlobal ImpressionParent management training programsClinical trialsImprovement ScaleScale scoreStructured parent training programTraining programTreatment assignmentParent training programTraining groupDisruptive behavior problemsDisordersClinical samplesSevere levels
2005
Public health significance of tic disorders in children and adolescents.
Scahill L, Sukhodolsky DG, Williams SK, Leckman JF. Public health significance of tic disorders in children and adolescents. Advances In Neurology 2005, 96: 240-8. PMID: 16383223.Peer-Reviewed Original ResearchConceptsTic disordersPresence of ADHDAbsence of ADHDPublic health significanceCommunity sampleMild ticsPersistent ticsGreater disabilityVocal ticsDaily livingDisruptive behaviorChronic ticsHealth significanceDisordersClinical samplesCommunity surveyChildrenADHDMinimal consequencesMultiple motorsImpairment