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 ResearchConceptsVoluntary 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 networksSyndromeChildrenTherapyGyrus
2022
Phenomenology of Tics and Sensory Urges
Leckman J, Bloch M, Sukhodolsky D, Artukoğlu B, Scahill L, King R. Phenomenology of Tics and Sensory Urges. 2022, 6-25. DOI: 10.1093/med/9780197543214.003.0002.Peer-Reviewed Original ResearchSocial and Adaptive Functioning in Tourette Syndrome
Sukhodolsky D, Kalvin C, Artukoğlu B, Eicher V, Leckman J. Social and Adaptive Functioning in Tourette Syndrome. 2022, 391-404. DOI: 10.1093/med/9780197543214.003.0023.Peer-Reviewed Original ResearchAdaptive functioningAttention-deficit/hyperactivity disorderTourette syndromeThorough clinical assessmentCo-occurring disordersHyperactivity disorderQuality of lifePsychosocial interventionsClinical assessmentBehavioral disordersSymptom severityFunctioningStandardized ratingsDisordersActive investigationImpairmentSyndromeSeverity
2019
Randomized, Sham-Controlled Trial of Real-Time Functional Magnetic Resonance Imaging Neurofeedback for Tics in Adolescents With Tourette Syndrome
Sukhodolsky DG, Walsh C, Koller WN, Eilbott J, Rance M, Fulbright RK, Zhao Z, Bloch MH, King R, Leckman JF, Scheinost D, Pittman B, Hampson M. Randomized, Sham-Controlled Trial of Real-Time Functional Magnetic Resonance Imaging Neurofeedback for Tics in Adolescents With Tourette Syndrome. Biological Psychiatry 2019, 87: 1063-1070. PMID: 31668476, PMCID: PMC7015800, DOI: 10.1016/j.biopsych.2019.07.035.Peer-Reviewed Original ResearchConceptsSupplementary motor areaYale Global Tic Severity ScaleFunctional magnetic resonanceTic Severity ScaleReal-time functional magnetic resonanceTourette syndromeSeverity ScaleYale Global Tic Severity Scale-Total Tic ScoreTotal tic scorePrimary outcome measureSham control conditionReduction of ticsMagnetic resonanceSecondary outcomesSessions of neurofeedbackCrossover studyTic symptomsTic scoreOutcome measuresMotor areaSecondary measuresTic severityReal neurofeedbackEnd pointNeurofeedback interventionEffects of Integrated Brain, Body, and Social (IBBS) intervention on ERP measures of attentional control in children with ADHD
Smith SD, Crowley MJ, Ferrey A, Ramsey K, Wexler BE, Leckman JF, Sukhodolsky DG. Effects of Integrated Brain, Body, and Social (IBBS) intervention on ERP measures of attentional control in children with ADHD. Psychiatry Research 2019, 278: 248-257. PMID: 31233935, PMCID: PMC6637759, DOI: 10.1016/j.psychres.2019.06.021.Peer-Reviewed Original ResearchConceptsBehavioral measuresAttentional controlIntegrated brainGo/No-Go taskGo-P3 latencySlower reaction timesSocial interventionsRobust treatment effectAttentional systemADHD groupERP measuresDifference waveP3 latencyBrain activityADHDTAU groupEEG proceduresHealthy controlsHC groupReaction timeReplication purposesERPTreatment effectsChildrenSecondary goal
2017
Tics and Tourette Syndrome
Sukhodolsky D, Gladstone T, Kaushal S, Piasecka J, Leckman J. Tics and Tourette Syndrome. Autism And Child Psychopathology Series 2017, 241-256. DOI: 10.1007/978-3-319-71210-9_14.ChaptersHabit reversal trainingTourette syndromeBehavioral interventionsPathophysiology of TSComprehensive clinical careComprehensive Behavioral InterventionCore clinical characteristicsAttention-deficit/hyperactivity disorderModerators of responseCo-occurring conditionsDisruptive behavior disordersClinical characteristicsChronic motorClinical efficacyTic expressionVocal ticsClinical recommendationsCo-occurring psychopathologyClinical careTic severityTreatment approachesPremonitory urgesBehavior disorderAnxiety disordersDiagnostic assessment
2016
A Randomized Controlled Trial of an Integrated Brain, Body, and Social Intervention for Children With ADHD
Smith SD, Vitulano LA, Katsovich L, Li S, Moore C, Li F, Grantz H, Zheng X, Eicher V, Guloksuz S, Zheng Y, Dong J, Sukhodolsky DG, Leckman JF. A Randomized Controlled Trial of an Integrated Brain, Body, and Social Intervention for Children With ADHD. Journal Of Attention Disorders 2016, 24: 780-794. PMID: 27178060, PMCID: PMC5107355, DOI: 10.1177/1087054716647490.Peer-Reviewed Original ResearchConceptsIntegrated brainComputerized cognitive remediation trainingCognitive remediation trainingSocial interventionsBehavior management strategiesRemediation trainingCognitive trainingMemory taskADHD symptomatologyADHD symptomsNeurocognitive testsTeacher ratingsBlinded clinician ratingGeneralized improvementADHDMultiple group comparisonsClinician ratingsMultiple domainsClinical functioningSignificant treatment effectOutcome measuresGroup comparisonsSecondary outcome measuresChildrenRatings
2011
Poor fine‐motor and visuospatial skills predict persistence of pediatric‐onset obsessive‐compulsive disorder into adulthood
Bloch MH, Sukhodolsky DG, Dombrowski PA, Panza KE, Craiglow BG, Landeros‐Weisenberger A, Leckman JF, Peterson BS, Schultz RT. Poor fine‐motor and visuospatial skills predict persistence of pediatric‐onset obsessive‐compulsive disorder into adulthood. Journal Of Child Psychology And Psychiatry 2011, 52: 974-983. PMID: 21244423, PMCID: PMC3625937, DOI: 10.1111/j.1469-7610.2010.02366.x.Peer-Reviewed Original ResearchConceptsLong-term outcomesVisual-motor integrationPoor long-term outcomesCox proportional hazards modelBeery-Buktenica TestPediatric-onset obsessive-compulsive disorderFine motor skill deficitsPurdue pegboard taskCourse of symptomsProportional hazards modelPurdue Pegboard TestComorbid tic disordersAge of onsetVisuospatial skillsFuture longitudinal studiesOCD symptomsFine motor skillsCases remitNonverbal memory performanceObsessive-compulsive disorderNeuropsychiatric deficitsTic disordersMAIN OUTCOMEPegboard TestNeuropsychological testing
2010
Neuropsychological Functioning in Children With Tourette Syndrome With and Without Attention-Deficit/Hyperactivity Disorder
Sukhodolsky DG, Landeros-Weisenberger A, Scahill L, Leckman JF, Schultz RT. Neuropsychological Functioning in Children With Tourette Syndrome With and Without Attention-Deficit/Hyperactivity Disorder. Journal Of The American Academy Of Child & Adolescent Psychiatry 2010, 49: 1155-1164.e1. PMID: 20970703, PMCID: PMC2965169, DOI: 10.1016/j.jaac.2010.08.008.Peer-Reviewed Original ResearchConceptsAttention-deficit/hyperactivity disorderConnors' Continuous Performance TestVisual-Motor Integration TestVisual-motor integrationContinuous Performance TestNeuropsychological functioningResponse inhibitionHyperactivity disorderCo-occurring attention-deficit/hyperactivity disorderStroop Color-Word Interference TestColor-Word Interference TestBeery Visual-Motor Integration TestAdequate control conditionsSample of childrenFine motor coordinationTourette syndromeNeuropsychological measuresPurdue Pegboard TestHealthy community control subjectsSubtle deficitsNeurobiological mechanismsNeuropsychological deficitsInterference testControl conditionPegboard TestAdverse Effects of Heavy Prenatal Maternal Smoking on Attentional Control in Children With ADHD
Motlagh MG, Sukhodolsky DG, Landeros-Weisenberger A, Katsovich L, Thompson N, Scahill L, King RA, Peterson BS, Schultz RT, Leckman JF. Adverse Effects of Heavy Prenatal Maternal Smoking on Attentional Control in Children With ADHD. Journal Of Attention Disorders 2010, 15: 593-603. PMID: 20616372, PMCID: PMC3974616, DOI: 10.1177/1087054710374576.Peer-Reviewed Original ResearchConceptsConnors' Continuous Performance TestContinuous Performance TestAttentional controlPrenatal maternal smokingStroop Color-Word Interference TestColor-Word Interference TestMaternal smokingVisual-Motor Integration TestRisk factorsBeery Visual-Motor Integration TestReaction time variabilityVisual-motor integrationSlower reaction timesDevelopment of ADHDFine motor coordinationNeuropsychological batteryPurdue Pegboard TestHeavy maternal smokingMaternal cigarette smokingPerinatal risk factorsMaternal psychosocial stressMotor inhibitionNeurobiological basisNeuropsychological deficitsADHD
2009
Randomized Trial of Anger Control Training for Adolescents With Tourette's Syndrome and Disruptive Behavior
Sukhodolsky DG, Vitulano LA, Carroll DH, McGuire J, Leckman JF, Scahill L. Randomized Trial of Anger Control Training for Adolescents With Tourette's Syndrome and Disruptive Behavior. Journal Of The American Academy Of Child & Adolescent Psychiatry 2009, 48: 413-421. PMID: 19242384, DOI: 10.1097/chi.0b013e3181985050.Peer-Reviewed Original ResearchConceptsClinical Global Impressions-Improvement scaleTourette syndromeACT groupControl trainingTAU control groupPrimary outcome measureIndependent evaluatorsAnger control trainingRating Scale scoresDisruptive behaviorEnd point evaluationLarge trialsBehavior rating scale scoresRandomized subjectsTAU conditionOutcome measuresScale scoreControl groupSyndromeRating ScaleACT conditionBehavior Rating ScaleAdolescentsTrialsDisruptive Behavior Rating Scale
2008
Four-Factor Structure of Obsessive-Compulsive Disorder Symptoms in Children, Adolescents, and Adults
Stewart SE, Rosario MC, Baer L, Carter AS, Brown TA, Scharf JM, Illmann C, Leckman JF, Sukhodolsky D, Katsovich L, Rasmussen S, Goodman W, Delorme R, Leboyer M, Chabane N, Jenike MA, Geller DA, Pauls DL. Four-Factor Structure of Obsessive-Compulsive Disorder Symptoms in Children, Adolescents, and Adults. Journal Of The American Academy Of Child & Adolescent Psychiatry 2008, 47: 763-772. PMID: 18520961, DOI: 10.1097/chi.0b013e318172ef1e.Peer-Reviewed Original ResearchConceptsConfirmatory factor analysisAdult age groupsAge groupsAge group samplesAdult groupFour-factor solutionOngoing translational researchSymptom dimensionsPrevious confirmatory factor analysisObsessive-compulsive disorder symptomsMultiple-group confirmatory factor analysisCategory-based modelComparable model fitOCD symptom dimensions
2007
The role of abnormal neural oscillations in the pathophysiology of co-occurring Tourette syndrome and attention-deficit/hyperactivity disorder
Sukhodolsky DG, Leckman JF, Rothenberger A, Scahill L. The role of abnormal neural oscillations in the pathophysiology of co-occurring Tourette syndrome and attention-deficit/hyperactivity disorder. European Child & Adolescent Psychiatry 2007, 16: 51-59. PMID: 17665283, DOI: 10.1007/s00787-007-1007-3.Peer-Reviewed Original ResearchConceptsAttention-deficit/hyperactivity disorderTourette syndromeAbnormal neural oscillationsOscillatory activityHyperactivity disorderAbnormal oscillatory activityThalamo-cortical circuitsSymptoms of ADHDNeural oscillationsNeural oscillatory activityBasal gangliaFunctional abnormalitiesNormal brainThalamocortical regionsThalamocortical oscillationsCortical regionsTransient hyperpolarizationPrefrontal cortexNeural activityNeural communicationPathophysiologyMotor controlSyndromeBrainDisorders
2006
Principal Components Analysis of Obsessive–Compulsive Disorder Symptoms in Children and Adolescents
Stewart SE, Rosario MC, Brown TA, Carter AS, Leckman JF, Sukhodolsky D, Katsovitch L, King R, Geller D, Pauls DL. Principal Components Analysis of Obsessive–Compulsive Disorder Symptoms in Children and Adolescents. Biological Psychiatry 2006, 61: 285-291. PMID: 17161383, DOI: 10.1016/j.biopsych.2006.08.040.Peer-Reviewed Original ResearchFine‐motor skill deficits in childhood predict adulthood tic severity and global psychosocial functioning in Tourette's syndrome
Bloch MH, Sukhodolsky DG, Leckman JF, Schultz RT. Fine‐motor skill deficits in childhood predict adulthood tic severity and global psychosocial functioning in Tourette's syndrome. Journal Of Child Psychology And Psychiatry 2006, 47: 551-559. PMID: 16712631, DOI: 10.1111/j.1469-7610.2005.01561.x.Peer-Reviewed Original ResearchMeSH KeywordsAdolescentAdultBasal GangliaChildFemaleFunctional LateralityHand StrengthHumansMaleMotor Skills DisordersNeuropsychological TestsObsessive-Compulsive DisorderPredictive Value of TestsPsychologyPsychomotor PerformanceSeverity of Illness IndexSocial BehaviorSurveys and QuestionnairesTourette SyndromeConceptsGlobal psychosocial functioningPurdue Pegboard TestFine motor skill deficitsTourette syndromeTic severityPegboard TestPsychosocial functioningTic symptomsTS patientsNeuropsychological testsStudy of TSBasal ganglia dysfunctionVisual-Motor Integration TestBeery Visual-Motor Integration TestLogistic regression analysisOrdinal logistic regression analysisFine motor coordinationMotor skill deficitsNeuropsychological testing batteryGanglia dysfunctionVisual-motor integrationClinical evaluationClinical assessmentClinical measuresNeuropsychological testing
2005
Adaptive, Emotional, and Family Functioning of Children With Obsessive-Compulsive Disorder and Comorbid Attention Deficit Hyperactivity Disorder
Sukhodolsky DG, do Rosario-Campos MC, Scahill L, Katsovich L, Pauls DL, Peterson BS, King RA, Lombroso PJ, Findley DB, Leckman JF. Adaptive, Emotional, and Family Functioning of Children With Obsessive-Compulsive Disorder and Comorbid Attention Deficit Hyperactivity Disorder. American Journal Of Psychiatry 2005, 162: 1125-1132. PMID: 15930061, PMCID: PMC2291297, DOI: 10.1176/appi.ajp.162.6.1125.Peer-Reviewed Original ResearchMeSH KeywordsAdaptation, PsychologicalAdolescentAttention Deficit Disorder with HyperactivityChildComorbidityCross-Sectional StudiesDiagnostic and Statistical Manual of Mental DisordersEmotionsFamily HealthFemaleHealth StatusHumansMaleObsessive-Compulsive DisorderPersonality InventoryPsychiatric Status Rating ScalesSurveys and QuestionnairesConceptsAttention deficit hyperactivity disorderObsessive-compulsive disorderComorbid attention deficit hyperactivity disorderDiagnosis of OCDDeficit hyperactivity disorderFamily functioningEmotional adjustmentHyperactivity disorderVineland Adaptive Behavior ScalesSelf-reported anxietyDaily living skillsAdaptive Behavior ScalesAdolescents ages 7Self-reported depressionBest-estimate DSM-IV diagnosesGroup of childrenAdaptive functioningLevel of impairmentChild functioningParent ratingsComparison childrenEmotional functioningComprehensive batteryLiving skillsDSM-IV diagnosisPublic 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
2003
Disruptive Behavior in Children With Tourette's Syndrome: Association With ADHD Comorbidity, Tic Severity, and Functional Impairment
SUKHODOLSKY DG, SCAHILL L, ZHANG H, PETERSON BS, KING RA, LOMBROSO PJ, KATSOVICH L, FINDLEY D, LECKMAN JF. Disruptive Behavior in Children With Tourette's Syndrome: Association With ADHD Comorbidity, Tic Severity, and Functional Impairment. Journal Of The American Academy Of Child & Adolescent Psychiatry 2003, 42: 98-105. PMID: 12500082, DOI: 10.1097/00004583-200301000-00016.Peer-Reviewed Original ResearchConceptsAttention-deficit/hyperactivity disorderComorbid attention-deficit/hyperactivity disorderDisruptive behaviorFamily functioningParent ratingsTeacher ratingsDiagnosis of ADHDVineland Adaptive Behavior ScalesDisruptive behavior problemsHierarchical regression analysisAdaptive Behavior ScalesBest-estimate DSM-IV diagnosesUnaffected control childrenTourette syndromeConduct problemsDelinquency scoresHyperactivity disorderADHD comorbidityDelinquent behaviorBehavior problemsDSM-IV diagnosisDependent measuresDiagnostic statusBehavior ScaleFunctional impairment