2014
Multicenter Voxel-Based Morphometry Mega-Analysis of Structural Brain Scans in Obsessive-Compulsive Disorder
de Wit S, Alonso P, Schweren L, Mataix-Cols D, Lochner C, Menchón J, Stein D, Fouche J, Soriano-Mas C, Sato J, Hoexter M, Denys D, Nakamae T, Nishida S, Kwon J, Jang J, Busatto G, Cardoner N, Cath D, Fukui K, Jung W, Kim S, Miguel E, Narumoto J, Phillips M, Pujol J, Remijnse P, Sakai Y, Shin N, Yamada K, Veltman D, van den Heuvel O. Multicenter Voxel-Based Morphometry Mega-Analysis of Structural Brain Scans in Obsessive-Compulsive Disorder. American Journal Of Psychiatry 2014, 171: 340-349. PMID: 24220667, DOI: 10.1176/appi.ajp.2013.13040574.Peer-Reviewed Original ResearchConceptsHealthy comparison subjectsObsessive-compulsive disorderOCD patientsHealthy subjectsComparison subjectsGreater cerebellar gray matter volumeMatter volumeStructural T1-weighted MRI scansWhite matter brain volumesWhite matter volume differencesT1-weighted MRI scansWhite matter volumePrevious smaller studiesStructural brain scansGray matter volumeVoxel-based morphometryAdult OCD patientsCerebellar gray matter volumeAnterior cingulate cortexAltered neuroplasticityClinical variablesInferior frontal gyrusCognitive dysfunctionDorsomedial prefrontal cortexTemporal cortex
2012
Differential prefrontal gray matter correlates of treatment response to fluoxetine or cognitive-behavioral therapy in obsessive–compulsive disorder
Hoexter M, Dougherty D, Shavitt R, D'Alcante C, Duran F, Lopes A, Diniz J, Batistuzzo M, Evans K, Bressan R, Busatto G, Miguel E. Differential prefrontal gray matter correlates of treatment response to fluoxetine or cognitive-behavioral therapy in obsessive–compulsive disorder. European Neuropsychopharmacology 2012, 23: 569-580. PMID: 22841131, DOI: 10.1016/j.euroneuro.2012.06.014.Peer-Reviewed Original ResearchConceptsGray matter volumeMedial prefrontal cortexCognitive behavioral therapyObsessive-compulsive disorderTreatment responseTreatment-naïve OCD patientsTreatment groupsMagnetic resonance imagingMatter volumeOrbitofrontal cortexLateral orbitofrontal cortexSymptom improvementOCD patientsFluoxetine treatment groupTrial of fluoxetineSerotonin reuptake inhibitorsAdequate therapeutic approachStructural magnetic resonance imagingCBT treatment groupRight medial prefrontal cortexGroup-based cognitive behavioral therapyRegional gray matter volumeStructural MRI scansDistinct brain regionsYale-Brown Obsessive