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
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 subjects
2007
Repetitive Transcranial Magnetic Stimulation of the Supplementary Motor Area in the treatment of Tourette Syndrome: Report of two cases
Mantovani A, Leckman JF, Grantz H, King RA, Sporn AL, Lisanby SH. Repetitive Transcranial Magnetic Stimulation of the Supplementary Motor Area in the treatment of Tourette Syndrome: Report of two cases. Clinical Neurophysiology 2007, 118: 2314-2315. PMID: 17709291, DOI: 10.1016/j.clinph.2007.07.011.Peer-Reviewed Original Research
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