2004
Altered Interhemispheric Connectivity in Individuals With Tourettes Disorder
Plessen KJ, Wentzel-Larsen T, Hugdahl K, Feineigle P, Klein J, Staib LH, Leckman JF, Bansal R, Peterson BS. Altered Interhemispheric Connectivity in Individuals With Tourettes Disorder. American Journal Of Psychiatry 2004, 161: 2028-2037. PMID: 15514403, DOI: 10.1176/appi.ajp.161.11.2028.Peer-Reviewed Original ResearchMeSH KeywordsAdolescentAdultAge FactorsAttention Deficit Disorder with HyperactivityCase-Control StudiesCerebral CortexComorbidityCorpus CallosumCross-Sectional StudiesFunctional LateralityHumansMagnetic Resonance ImagingMaleNeuronal PlasticityObsessive-Compulsive DisorderPrefrontal CortexSeverity of Illness IndexTourette SyndromeConceptsCorpus callosum sizeCallosum sizeTourette's disorderCorpus callosumCerebral hemispheresComparison subjectsCross-sectional case-control studyMidsagittal corpus callosum areaCorpus callosum areaCase-control studyEffects of medicationAge 30 yearsCortical inhibitory interneuronsHigh-resolution magnetic resonanceHealthy comparison subjectsMajor commissureComorbid illnessesTic symptomsOrbitofrontal cortical volumeCortical volumeInhibitory interneuronsInterhemispheric connectivityInhibitory inputsTic severityPrior evidence
2003
Basal Ganglia Volumes in Patients With Gilles de la Tourette Syndrome
Peterson BS, Thomas P, Kane MJ, Scahill L, Zhang H, Bronen R, King RA, Leckman JF, Staib L. Basal Ganglia Volumes in Patients With Gilles de la Tourette Syndrome. JAMA Psychiatry 2003, 60: 415-424. PMID: 12695320, DOI: 10.1001/archpsyc.60.4.415.Peer-Reviewed Original ResearchConceptsBasal ganglia volumesBasal gangliaCaudate nucleus volumeTourette syndromeGanglia volumesObsessive-compulsive disorderLenticular nucleus volumesTic symptomsNucleus volumeGilles dePathophysiology of TSPrior neuroleptic exposureHealthy control subjectsSeverity of ticsComorbid obsessive-compulsive disorderGreat clinical relevanceAttention-deficit/hyperactivity disorder (ADHD) symptomsHyperactivity disorder symptomsRepeated-measures analysisNeuroleptic exposureControl subjectsFunctional disturbancesTrait abnormalityClinical relevanceGanglia
2001
Regional Brain and Ventricular Volumes in Tourette Syndrome
Peterson BS, Staib L, Scahill L, Zhang H, Anderson C, Leckman JF, Cohen DJ, Gore JC, Albert J, Webster R. Regional Brain and Ventricular Volumes in Tourette Syndrome. JAMA Psychiatry 2001, 58: 427-440. PMID: 11343521, DOI: 10.1001/archpsyc.58.5.427.Peer-Reviewed Original ResearchConceptsParieto-occipital regionsTourette syndromeTic symptomsCerebral volumeVentricular volumePathophysiology of TST subjectsWhite matter portionsThalamo-cortical circuitrySignificant inverse associationRegional cerebral volumesHigh-resolution anatomical magnetic resonance imagesStandard anatomical landmarksSex differencesAge-related findingsDorsal prefrontal regionsRegional brainCortico-striatoHealthy childrenHealthy controlsInverse associationHealthy subjectsOccipital volumeTS groupCortical regions