2020
Maternal perceptions of father involvement among refugee and disadvantaged families in Beirut, Lebanon
Hein S, Bick J, Issa G, Aoude L, Maalouf C, Awar A, Nourallah S, Zonderman AL, Householder S, Katsovich L, Khoshnood K, Moore C, Salah R, Britto PR, Leckman JF, Ponguta LA. Maternal perceptions of father involvement among refugee and disadvantaged families in Beirut, Lebanon. PLOS ONE 2020, 15: e0229670. PMID: 32134961, PMCID: PMC7058288, DOI: 10.1371/journal.pone.0229670.Peer-Reviewed Original Research
2019
The impact of attention deficit hyperactivity disorder in obsessive‐compulsive disorder subjects
Blanco‐Vieira T, Santos M, Ferrão YA, Torres AR, Miguel EC, Bloch MH, Leckman JF, do Rosario MC. The impact of attention deficit hyperactivity disorder in obsessive‐compulsive disorder subjects. Depression And Anxiety 2019, 36: 533-542. PMID: 30990937, DOI: 10.1002/da.22898.Peer-Reviewed Original ResearchConceptsAttention deficit hyperactivity disorderAdult OCD patientsObsessive-compulsive disorderDeficit hyperactivity disorderOCD patientsClinical characteristicsExact testFeatures of ADHDHyperactivity disorderSubgroup of patientsAdult obsessive-compulsive disorderComorbid attention deficit hyperactivity disorderSpecific clinical featuresCross-sectional studyObsessive-compulsive disorder (OCD) subjectsLogistic regression analysisFisher's exact testBrazilian Research ConsortiumMann-Whitney testAdult patientsRheumatic feverDevelopment of interventionsClinical featuresObsessive-compulsive spectrum disordersLifetime prevalence
2018
A multicenter examination and strategic revisions of the Yale Global Tic Severity Scale
McGuire JF, Piacentini J, Storch EA, Murphy TK, Ricketts EJ, Woods DW, Walkup JW, Peterson AL, Wilhelm S, Lewin AB, McCracken JT, Leckman JF, Scahill L. A multicenter examination and strategic revisions of the Yale Global Tic Severity Scale. Neurology 2018, 90: e1711-e1719. PMID: 29653992, PMCID: PMC5952973, DOI: 10.1212/wnl.0000000000005474.Peer-Reviewed Original ResearchConceptsTic symptom severityTic scoreTIC numbersYale Global Tic Severity Scale (YGTSS) scoresSymptom severityYale Global Tic Severity ScaleYGTSS total tic scoreTotal tic scoreSimilar clinical characteristicsInternal consistencySeverity Scale scoreCross-sectional studyTic Severity ScaleDelphi consensus processClinical characteristicsPhonic ticsTic disordersMulticenter examinationImpairment scoresGood internal consistencySeverity ScaleScale scoreSymptom ChecklistDiagnostic InterviewStrong internal consistencyEfficacy and Safety of Deep Brain Stimulation in Tourette Syndrome: The International Tourette Syndrome Deep Brain Stimulation Public Database and Registry
Martinez-Ramirez D, Jimenez-Shahed J, Leckman JF, Porta M, Servello D, Meng FG, Kuhn J, Huys D, Baldermann JC, Foltynie T, Hariz MI, Joyce EM, Zrinzo L, Kefalopoulou Z, Silburn P, Coyne T, Mogilner AY, Pourfar MH, Khandhar SM, Auyeung M, Ostrem JL, Visser-Vandewalle V, Welter ML, Mallet L, Karachi C, Houeto JL, Klassen BT, Ackermans L, Kaido T, Temel Y, Gross RE, Walker HC, Lozano AM, Walter BL, Mari Z, Anderson WS, Changizi BK, Moro E, Zauber SE, Schrock LE, Zhang JG, Hu W, Rizer K, Monari EH, Foote KD, Malaty IA, Deeb W, Gunduz A, Okun MS. Efficacy and Safety of Deep Brain Stimulation in Tourette Syndrome: The International Tourette Syndrome Deep Brain Stimulation Public Database and Registry. JAMA Neurology 2018, 75: 353-359. PMID: 29340590, PMCID: PMC5885852, DOI: 10.1001/jamaneurol.2017.4317.Peer-Reviewed Original ResearchConceptsDeep brain stimulationGlobus pallidus internusTourette syndromeDBS implantationBrain stimulationAdverse eventsOutcome of DBSSafety of DBSYale Global Tic Severity Scale (YGTSS) scoresPosterior globus pallidus internusOverall adverse event rateYale Global Tic Severity ScaleStimulation-induced adverse effectsMedically refractory symptomsImportant adverse eventsAdverse event ratesRefractory Tourette syndromeSeverity Scale scoreTic Severity ScaleSelf-injurious behaviorRefractory symptomsSymptomatic improvementIntracranial hemorrhageObsessive-compulsive disorderInternal capsule
2017
Oxytocin response to youth–mother interactions in clinically anxious youth is associated with separation anxiety and dyadic behavior
Lebowitz ER, Silverman WK, Martino AM, Zagoory‐Sharon O, Feldman R, Leckman JF. Oxytocin response to youth–mother interactions in clinically anxious youth is associated with separation anxiety and dyadic behavior. Depression And Anxiety 2017, 34: 127-136. PMID: 28052452, PMCID: PMC5503301, DOI: 10.1002/da.22585.Peer-Reviewed Original ResearchConceptsSeparation anxiety disorderAnxious youthAnxiety disordersSeparation anxietySalivary oxytocinAffective touchDSM-5 anxiety disordersYouth anxiety symptomsOT responseParticular anxiety disordersAttachment figuresReliable codersMaternal sensitivityDyadic behaviorsChildren's ratingsMaternal intrusivenessAttachment behaviorAnxiety symptomsAnxiety regulationSocial supportPossible intervention strategiesSignificant distressHigher youthYouthIntervention strategies
2016
Understanding the covariation of tics, attention‐deficit/hyperactivity, and obsessive‐compulsive symptoms: A population‐based adult twin study
Pinto R, Monzani B, Leckman JF, Rück C, Serlachius E, Lichtenstein P, Mataix‐Cols D. Understanding the covariation of tics, attention‐deficit/hyperactivity, and obsessive‐compulsive symptoms: A population‐based adult twin study. American Journal Of Medical Genetics Part B Neuropsychiatric Genetics 2016, 171: 938-947. PMID: 26919823, DOI: 10.1002/ajmg.b.32436.Peer-Reviewed Original ResearchConceptsAttention-deficit/hyperactivityObsessive-compulsive symptomsObsessive-compulsive disorderTic disordersChronic tic disorderAttention-deficit/hyperactivity symptomsSwedish adult twinsNon-shared environmental influencesPopulation-representative sampleLarge population-representative sampleSymptomsSpecific non-shared environmental influencesEnvironmental influencesFamilial associationSymptom subtypesEpidemiological sampleHyperactivity symptomsHyperactivityFamilial transmissionDisordersEtiological influencesLiability factorsFamily studiesGenetic liability
2014
Randomized Sham Controlled Double-blind Trial of Repetitive Transcranial Magnetic Stimulation for Adults With Severe Tourette Syndrome
Landeros-Weisenberger A, Mantovani A, Motlagh MG, de Alvarenga PG, Katsovich L, Leckman JF, Lisanby SH. Randomized Sham Controlled Double-blind Trial of Repetitive Transcranial Magnetic Stimulation for Adults With Severe Tourette Syndrome. Brain Stimulation 2014, 8: 574-581. PMID: 25912296, PMCID: PMC4454615, DOI: 10.1016/j.brs.2014.11.015.Peer-Reviewed Original ResearchConceptsRepetitive transcranial magnetic stimulationSham repetitive transcranial magnetic stimulationSupplementary motor areaLow-frequency repetitive transcranial magnetic stimulationFrequency repetitive transcranial magnetic stimulationActive repetitive transcranial magnetic stimulationSevere Tourette syndromeTranscranial magnetic stimulationTourette syndromeTic severityMagnetic stimulationDouble-blind sham-controlled trialEfficacy of rTMSOpen-label active treatmentYGTSS total tic scoreAlternative stimulation protocolsDouble-blind trialOpen-label studySham-controlled trialTotal tic scoreActive rTMS treatmentRandomized ShamRTMS treatmentActive treatmentMotor thresholdTranscriptome Analysis of the Human Striatum in Tourette Syndrome
Lennington JB, Coppola G, Kataoka-Sasaki Y, Fernandez TV, Palejev D, Li Y, Huttner A, Pletikos M, Sestan N, Leckman JF, Vaccarino FM. Transcriptome Analysis of the Human Striatum in Tourette Syndrome. Biological Psychiatry 2014, 79: 372-382. PMID: 25199956, PMCID: PMC4305353, DOI: 10.1016/j.biopsych.2014.07.018.Peer-Reviewed Original ResearchConceptsCopy number variantsGenome-wide association studiesGene coexpression modulesNumber variantsGene network analysisCommon genetic variantsCoexpression modulesUpregulated genesMetabolism modulesImmune-related genesNetwork analysisAssociation studiesDifferential expressionUpregulated modulesGenetic variantsGenesPatient's striatumTS individualsTranscriptomeVariantsMetabolic alterationsSame regionGamma-aminobutyric acidergic interneuronsTranscriptsRNA
2013
Brain mechanisms for prepulse inhibition in adults with Tourette syndrome: Initial findings
Zebardast N, Crowley MJ, Bloch MH, Mayes LC, Vander Wyk BV, Leckman JF, Pelphrey KA, Swain JE. Brain mechanisms for prepulse inhibition in adults with Tourette syndrome: Initial findings. Psychiatry Research 2013, 214: 33-41. PMID: 23916249, PMCID: PMC3932431, DOI: 10.1016/j.pscychresns.2013.05.009.Peer-Reviewed Original ResearchConceptsTourette syndromeFunctional magnetic resonance imagingHealthy subjectsTic severityWhole-brain functional magnetic resonance imagingYale Global Tic Severity ScaleTactile startle responseCase-control study designTic Severity ScaleCortical-striatal circuitsBrain activityMagnetic resonance imagingMultiple brain regionsLeft middle frontal gyrusMiddle frontal gyrusDegree of PPIPulse-alone stimuliBlock-design fMRI paradigmTic symptomsNeuropathological dataHealthy controlsPrepulse inhibitionDevelopmental neuropsychiatric disordersSensorimotor gatingLeft caudateLONG‐TERM OUTCOME IN ADULTS WITH OBSESSIVE‐COMPULSIVE DISORDER
Bloch MH, Green C, Kichuk SA, Dombrowski PA, Wasylink S, Billingslea E, Landeros‐Weisenberger A, Kelmendi B, Goodman WK, Leckman JF, Coric V, Pittenger C. LONG‐TERM OUTCOME IN ADULTS WITH OBSESSIVE‐COMPULSIVE DISORDER. Depression And Anxiety 2013, 30: 716-722. PMID: 23532944, PMCID: PMC3932438, DOI: 10.1002/da.22103.Peer-Reviewed Original ResearchConceptsLong-term outcomesObsessive-compulsive disorderEvidence-based treatmentsAdult OCD patientsLong-term clinical outcomesSymptom severitySerotonin reuptake inhibitor medicationsOCD patientsPlacebo-controlled trialSerotonin reuptake inhibitorsReuptake inhibitor medicationsPercent of subjectsInitial responseSymptom dimensionsLater symptom severityOCD symptomsSignificant OCD symptomsOCD symptom dimensionsAdult patientsClinical characteristicsClinical improvementEligible subjectsPartial respondersInhibitor medicationReuptake inhibitors
2012
Effects of Ketamine in Treatment-Refractory Obsessive-Compulsive Disorder
Bloch MH, Wasylink S, Landeros-Weisenberger A, Panza KE, Billingslea E, Leckman JF, Krystal JH, Bhagwagar Z, Sanacora G, Pittenger C. Effects of Ketamine in Treatment-Refractory Obsessive-Compulsive Disorder. Biological Psychiatry 2012, 72: 964-970. PMID: 22784486, PMCID: PMC3667652, DOI: 10.1016/j.biopsych.2012.05.028.Peer-Reviewed Original ResearchConceptsObsessive-compulsive disorderKetamine infusionDepression symptomsLow-dose ketamine infusionTreatment-refractory obsessive-compulsive disorderOCD symptomsPathogenesis of OCDIncomplete symptom reliefTreatment-Refractory ObsessiveOpen-label trialRapid antidepressant effectsAspartate glutamate receptorsEffects of ketaminePotent noncompetitive antagonistGlutamate abnormalitiesAntidepressant effectsAntidepressant responseSymptom reliefKetamine effectsComorbid depressionAcute effectsGlutamate receptorsDepressive symptomsNoncompetitive antagonistInfusion
2011
Biofeedback of Real-Time Functional Magnetic Resonance Imaging Data from the Supplementary Motor Area Reduces Functional Connectivity to Subcortical Regions
Hampson M, Scheinost D, Qiu M, Bhawnani J, Lacadie CM, Leckman JF, Constable RT, Papademetris X. Biofeedback of Real-Time Functional Magnetic Resonance Imaging Data from the Supplementary Motor Area Reduces Functional Connectivity to Subcortical Regions. Brain Connectivity 2011, 1: 91-98. PMID: 22432958, PMCID: PMC3621512, DOI: 10.1089/brain.2011.0002.Peer-Reviewed Original ResearchConceptsSupplementary motor areaReal-time functional magnetic resonanceFunctional connectivityTourette syndromeFunctional magnetic resonanceMotor areaSubcortical regionsBiofeedback sessionsState functional connectivityTic symptomsMagnetic resonance imaging dataHealthy subjectsTS patientsMagnetic resonanceBrain areasBiofeedbackFunctional magnetic resonance imaging (fMRI) dataFurther studiesSignificant increaseAberrant dynamicsSubjectsRecent studiesImaging dataSessionsPatients
2010
Perceived quality of maternal care in childhood and structure and function of mothers' brain
Kim P, Leckman JF, Mayes LC, Newman M, Feldman R, Swain JE. Perceived quality of maternal care in childhood and structure and function of mothers' brain. Developmental Science 2010, 13: 662-673. PMID: 20590729, PMCID: PMC3974609, DOI: 10.1111/j.1467-7687.2009.00923.x.Peer-Reviewed Original ResearchConceptsMiddle frontal gyrusSuperior temporal gyrusMaternal careTemporal gyrusHuman mothersFrontal gyrusInfant stimuliFusiform gyrusFirst postpartum monthLarger gray matter volumeGray matter volumeMagnetic resonance imagingHigh maternal careLow maternal careMother's brainPostpartum monthsLong-term effectsOrbital gyrusAnimal studiesBrain areasMatter volumeNeglectful motheringResonance imagingBrain regionsHeightened stress reactivityElevated expression of MCP-1, IL-2 and PTPR-N in basal ganglia of Tourette syndrome cases
Morer A, Chae W, Henegariu O, Bothwell AL, Leckman JF, Kawikova I. Elevated expression of MCP-1, IL-2 and PTPR-N in basal ganglia of Tourette syndrome cases. Brain Behavior And Immunity 2010, 24: 1069-1073. PMID: 20193755, DOI: 10.1016/j.bbi.2010.02.007.Peer-Reviewed Original ResearchMeSH KeywordsAdultAgedAutopsyBasal GangliaChemokine CCL2FemaleHumansInterferon-gammaInterleukin-1betaInterleukin-2Leukocyte Common AntigensMaleMiddle AgedPolymerase Chain ReactionReceptor-Like Protein Tyrosine Phosphatases, Class 2Receptor-Like Protein Tyrosine Phosphatases, Class 8RecoverinRNATourette SyndromeConceptsMCP-1IL-2Tourette syndromePost-mortem specimenBasal gangliaElevated expressionPost-infectious autoimmunityAdult TS patientsChronic inflammatory processEvidence of inflammationBasal ganglia areaInterleukin-1 βCentral nervous systemChemotactic factor-1TS casesReverse transcription-polymerase chain reaction analysisTranscription-polymerase chain reaction analysisReal-time reverse transcription-polymerase chain reaction analysisBrain tissue sectionsInflammatory factorsControl subjectsGanglia areaInflammatory processInterleukin-2TS patients
2009
Decreased number of parvalbumin and cholinergic interneurons in the striatum of individuals with Tourette syndrome
Kataoka Y, Kalanithi PS, Grantz H, Schwartz ML, Saper C, Leckman JF, Vaccarino FM. Decreased number of parvalbumin and cholinergic interneurons in the striatum of individuals with Tourette syndrome. The Journal Of Comparative Neurology 2009, 518: 277-291. PMID: 19941350, PMCID: PMC2846837, DOI: 10.1002/cne.22206.Peer-Reviewed Original ResearchConceptsMedium spiny neuronsCholinergic interneuronsTourette syndromeNormal controlsCholinergic striatal interneuronsNumber of parvalbuminBrains of patientsCaudate nucleus volumeUnbiased stereological analysisStriatal interneuronsOngoing motor behaviorCholinergic cellsTotal neuronsCholine acetyltransferaseSpiny neuronsLimbic regionsStriatum of individualsTS patientsPostmortem brainsThalamic controlSensorimotor regionsInterneuronsCellular abnormalitiesNeuron firingTS subjectsDimensional predictors of response to SRI pharmacotherapy in obsessive–compulsive disorder
Landeros-Weisenberger A, Bloch MH, Kelmendi B, Wegner R, Nudel J, Dombrowski P, Pittenger C, Krystal JH, Goodman WK, Leckman JF, Coric V. Dimensional predictors of response to SRI pharmacotherapy in obsessive–compulsive disorder. Journal Of Affective Disorders 2009, 121: 175-179. PMID: 19577308, PMCID: PMC3974618, DOI: 10.1016/j.jad.2009.06.010.Peer-Reviewed Original ResearchConceptsObsessive-compulsive disorderSRI responseSymptom dimensionsOpen-label continuation phaseClinical Global Improvement ScaleGlobal Improvement ScaleCentral serotonin systemInitial positive responseYale-Brown ObsessiveContinuation phaseMinor symptomsOrdinal logistic regressionClinical trialsSerotonin systemTreatment responseSame patientImprovement ScaleSRI treatmentPatientsSignificant associationLogistic regressionCompulsive ScaleOCD patientsOCD subjectsSymptomsPerfectionism and sensory phenomena: phenotypic components of obsessive-compulsive disorder
Lee JC, Prado HS, Diniz JB, Borcato S, da Silva CB, Hounie AG, Miguel EC, Leckman JF, do Rosário MC. Perfectionism and sensory phenomena: phenotypic components of obsessive-compulsive disorder. Comprehensive Psychiatry 2009, 50: 431-436. PMID: 19683613, DOI: 10.1016/j.comppsych.2008.11.007.Peer-Reviewed Original Research
2008
Maternal brain response to own baby‐cry is affected by cesarean section delivery
Swain JE, Tasgin E, Mayes LC, Feldman R, Constable RT, Leckman JF. Maternal brain response to own baby‐cry is affected by cesarean section delivery. Journal Of Child Psychology And Psychiatry 2008, 49: 1042-1052. PMID: 18771508, PMCID: PMC3246837, DOI: 10.1111/j.1469-7610.2008.01963.x.Peer-Reviewed Original ResearchConceptsCesarean section deliveryMode of deliveryVD mothersSection deliveryMother's brainVaginal deliveryElective cesarean section deliveryMaternal brain responsesImmediate postpartum periodRight lenticular nucleusSuperior frontal cortexMedial fusiform gyrusBeck Depression InventorySuperior frontal gyrusFunctional magnetic resonance imagingMagnetic resonance imagingSuperior parietal lobeMiddle temporal gyrusEarly postpartumPostpartum periodLenticular nucleusPostpartum depressionFrontal cortexSpecific brain activationParietal lobe
2007
Deep brain stimulation in Tourette's syndrome
Bajwa RJ, de Lotbinière AJ, King RA, Jabbari B, Quatrano S, Kunze K, Scahill L, Leckman JF. Deep brain stimulation in Tourette's syndrome. Movement Disorders 2007, 22: 1346-1350. PMID: 17580320, DOI: 10.1002/mds.21398.Peer-Reviewed Original ResearchConceptsDeep brain stimulationBilateral deep brain stimulationTourette syndromeBrain stimulationIntractable Tourette syndromeProgressive neurological impairmentAdult patientsSevere ticsObsessive-compulsive disorderNeurological impairmentMotor ticsMedial partSyndromeHead jerkThalamusStimulationPatientsImpairmentGood effectGender differences in obsessive–compulsive symptom dimensions
Labad J, Menchon JM, Alonso P, Segalas C, Jimenez S, Jaurrieta N, Leckman JF, Vallejo J. Gender differences in obsessive–compulsive symptom dimensions. Depression And Anxiety 2007, 25: 832-838. PMID: 17436312, DOI: 10.1002/da.20332.Peer-Reviewed Original Research