2007
Frontal dopaminergic abnormality in Tourette syndrome: A postmortem analysis
Yoon DY, Gause CD, Leckman JF, Singer HS. Frontal dopaminergic abnormality in Tourette syndrome: A postmortem analysis. Journal Of The Neurological Sciences 2007, 255: 50-56. PMID: 17337006, DOI: 10.1016/j.jns.2007.01.069.Peer-Reviewed Original ResearchConceptsTourette syndromeDopamine transporterReceptor densityPathophysiology of TSAlpha-adrenergic receptorsSex-matched controlsD2 receptor densityPostmortem brain tissueFrontal regionsDopaminergic dysfunctionNeurochemical abnormalitiesDopaminergic abnormalitiesNeurochemical markersTS patientsFrontal cortexSemiquantitative immunoblottingFrontal lobeBrain tissueTS subjectsTerminal markersOccipital regionAbnormalitiesVesicular dockingPathophysiologySyndrome
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
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