2017
Low frequency fluctuation of brain spontaneous activity and obsessive-compulsive symptoms in a large school-age sample
Hoexter M, Biazoli C, Alvarenga P, Batistuzzo M, Salum G, Gadelha A, Pan P, Anés M, Mancini-Martins L, Moura L, Soriano-Mas C, Aquilla M, Amaro E, Rohde L, Jackowski A, Bressan R, Miguel E, do Rosario M, Sato J. Low frequency fluctuation of brain spontaneous activity and obsessive-compulsive symptoms in a large school-age sample. Journal Of Psychiatric Research 2017, 96: 224-230. PMID: 29102817, DOI: 10.1016/j.jpsychires.2017.10.009.Peer-Reviewed Original ResearchConceptsObsessive-compulsive symptomsBrain spontaneous activityLow-frequency fluctuationsSpontaneous activityRight sensorimotor cortexHigh Risk Cohort StudyState functional magnetic resonance imaging (rs-fMRI) dataSpontaneous activity changesPredictors of riskWell-Being AssessmentSpontaneous brain activitySuperior temporal cortexSuperior temporal gyrusCohort studyObsessive-compulsive disorderSensorimotor cortexMagnetic resonance imaging dataPsychiatric disordersOverall psychopathologyTemporal gyrusFractional amplitudeGeneral linear modelFunctional magnetic resonance imaging (fMRI) dataCompulsive symptomsBrain activity
2015
Brain structural correlates of sensory phenomena in patients with obsessive–compulsive disorder
Subirà M, Sato J, Alonso P, do Rosário M, Segalàs C, Batistuzzo M, Real E, Lopes A, Cerrillo E, Diniz J, Pujol J, Assis R, Menchón J, Shavitt R, Busatto G, Cardoner N, Miguel E, Hoexter M, Soriano-Mas C. Brain structural correlates of sensory phenomena in patients with obsessive–compulsive disorder. Journal Of Psychiatry And Neuroscience 2015, 40: 232-240. PMID: 25652753, PMCID: PMC4478056, DOI: 10.1503/jpn.140118.Peer-Reviewed Original ResearchConceptsGray matter volume increasesObsessive-compulsive disorderSensorimotor cortexHealthy controlsSensory phenomenaGray matter volume differencesLeft sensorimotor cortexStructural correlatesBrain structural correlatesVoxel-based morphometryMagnetic resonance examinationMost patientsSuch patientsTic onsetCortex abnormalitiesTic disordersPremotor cortexPatientsResonance examinationVolume increaseSpecialized unitsCortexParticipant recruitmentDisorders StudyDifferent centers