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
2005
Altered parvalbumin-positive neuron distribution in basal ganglia of individuals with Tourette syndrome
Kalanithi PS, Zheng W, Kataoka Y, DiFiglia M, Grantz H, Saper CB, Schwartz ML, Leckman JF, Vaccarino FM. Altered parvalbumin-positive neuron distribution in basal ganglia of individuals with Tourette syndrome. Proceedings Of The National Academy Of Sciences Of The United States Of America 2005, 102: 13307-13312. PMID: 16131542, PMCID: PMC1201574, DOI: 10.1073/pnas.0502624102.Peer-Reviewed Original ResearchConceptsTourette syndromeNeuron distributionCalcium-binding protein parvalbuminNeuron numberT subjectsLower neuron numberGlobus pallidus pars externaParvalbumin-positive interneuronsTotal neuron numberUnbiased stereological techniquesChildhood neuropsychiatric disordersBasal ganglia tissueGABAergic neuronsGPi neuronsBasal gangliaCortico-striatoGlobus pallidusProtein parvalbuminThalamic circuitryGanglion tissueVocal ticsNormal controlsPutamen volumePars externaImaging studies