2009
Association between symptom severity and internal capsule volume in obsessive-compulsive disorder
de Souza Duran F, Hoexter M, Valente A, Miguel E, Busatto G. Association between symptom severity and internal capsule volume in obsessive-compulsive disorder. Neuroscience Letters 2009, 452: 68-71. PMID: 19150484, DOI: 10.1016/j.neulet.2009.01.007.Peer-Reviewed Original ResearchConceptsWhite matter volumeObsessive-compulsive disorderMagnetic resonance imagingMatter volumeCingulum bundleWhite matter volume deficitsPathophysiology of OCDOCD patientsAsymptomatic control subjectsWhite matter reductionThalamic-cortical circuitWhite matter alterationsVoxel-based morphometryWhite matter tractsRegional white matter volumeSymptom severity ratingsInternal capsuleNeurosurgical treatmentSeverity scoreControl subjectsAnterior limbConnectivity dysfunctionT MRI scannerOCD severity scoresVolume deficits
2005
Regional Gray Matter Abnormalities in Obsessive-Compulsive Disorder: A Voxel-Based Morphometry Study
Valente A, Miguel E, Castro C, Amaro E, Duran F, Buchpiguel C, Chitnis X, McGuire P, Busatto G. Regional Gray Matter Abnormalities in Obsessive-Compulsive Disorder: A Voxel-Based Morphometry Study. Biological Psychiatry 2005, 58: 479-487. PMID: 15978549, DOI: 10.1016/j.biopsych.2005.04.021.Peer-Reviewed Original ResearchConceptsVoxel-based morphometryObsessive-compulsive disorderGray matterLeft anterior cingulate cortexOCD patientsOCD subjectsParietal associative cortexMagnetic resonance imaging studyStructural magnetic resonance imaging (MRI) studiesRegional gray matter abnormalitiesGray matter reductionsGray matter abnormalitiesResonance imaging studyGray matter volumeAnterior cingulate cortexWarrants further investigationTemporolimbic regionsMedial thalamusBrain abnormalitiesObsessive-compulsive symptom severityHealthy volunteersImplicating dysfunctionMatter volumeAssociative cortexMorphometry study