2021
Cellular and Extracellular White Matter Abnormalities in Obsessive-Compulsive Disorder: A Diffusion Magnetic Resonance Imaging Study
Maziero M, Seitz-Holland J, Cho K, Goldenberg J, Tanamatis T, Diniz J, Cappi C, Alice de Mathis M, Otaduy M, da Graça Morais Martin M, de Melo Felipe da Silva R, Shavitt R, Batistuzzo M, Lopes A, Miguel E, Pasternak O, Hoexter M. Cellular and Extracellular White Matter Abnormalities in Obsessive-Compulsive Disorder: A Diffusion Magnetic Resonance Imaging Study. Biological Psychiatry Cognitive Neuroscience And Neuroimaging 2021, 6: 983-991. PMID: 33862255, PMCID: PMC8502196, DOI: 10.1016/j.bpsc.2021.04.001.Peer-Reviewed Original ResearchConceptsObsessive-compulsive disorderClinical variablesControl subjectsLower fractional anisotropyFractional anisotropyWhite matterDiffusion-weighted magnetic resonance imagingMagnetic resonance imaging studyDiffusion measuresDiffusion magnetic resonance imaging studyWhite matter abnormalitiesTract-based spatial statisticsResonance imaging studyMagnetic resonance imagingFree-water imagingExtracellular abnormalities
2020
Delayed Brain Cyst Formation After Gamma Knife Anterior Capsulotomy
Kasabkojian S, Dwan A, Maziero M, de Salles A, Gorgulho A, Miguel E, Fillipo de Queiroz Vattimo E, Lopes A. Delayed Brain Cyst Formation After Gamma Knife Anterior Capsulotomy. World Neurosurgery 2020, 145: 298-300. PMID: 33022431, DOI: 10.1016/j.wneu.2020.07.199.Peer-Reviewed Original ResearchConceptsRefractory obsessive-compulsive disorderAnterior capsulotomyObsessive-compulsive disorderBrain cyst formationFrontal lobe symptomsMagnetic resonance imagingAnterior frontal regionsPostoperative monthBrain cystsBrain edemaManic episodesVisual hallucinationsRadiosurgical proceduresAbnormal complicationsHigh dosesCapsulotomyResonance imagingObsessive-compulsive symptomsCyst formationEffective optionLeft hemisphereRight hemisphereFrontal regionsComplicationsSymptomsToward identifying reproducible brain signatures of obsessive-compulsive profiles: rationale and methods for a new global initiative
Simpson H, van den Heuvel O, Miguel E, Reddy Y, Stein D, Lewis-Fernández R, Shavitt R, Lochner C, Pouwels P, Narayanawamy J, Venkatasubramanian G, Hezel D, Vriend C, Batistuzzo M, Hoexter M, de Joode N, Costa D, de Mathis M, Sheshachala K, Narayan M, van Balkom A, Batelaan N, Venkataram S, Cherian A, Marincowitz C, Pannekoek N, Stovezky Y, Mare K, Liu F, Otaduy M, Pastorello B, Rao R, Katechis M, Van Meter P, Wall M. Toward identifying reproducible brain signatures of obsessive-compulsive profiles: rationale and methods for a new global initiative. BMC Psychiatry 2020, 20: 68. PMID: 32059696, PMCID: PMC7023814, DOI: 10.1186/s12888-020-2439-2.Peer-Reviewed Original ResearchConceptsMagnetic resonance imagingCircuit abnormalitiesNew global initiativesBrain signaturesGlobal InitiativeHealthy control subjectsMedication-free adultsMultiple brain circuitsMedication-free subjectsBackgroundObsessive–compulsive disorderClinical profileClinical symptomsControl subjectsClinical evaluationHealthy controlsLeading causeGlobal disabilityLifetime prevalenceResonance imagingNeurocognitive assessmentBrain circuitsImaging signaturesFunctional connectivityBrain-behavior associationsDisease dimensions
2019
Genetic risk for Alzheimer's disease and functional brain connectivity in children and adolescents
Axelrud L, Sato J, Santoro M, Talarico F, Pine D, Rohde L, Zugman A, Junior E, Bressan R, Grassi-Oliveira R, Pan P, Hoffmann M, Simioni A, Guinjoan S, Hakonarson H, Brietzke E, Gadelha A, Pellegrino da Silva R, Hoexter M, Miguel E, Belangero S, Salum G. Genetic risk for Alzheimer's disease and functional brain connectivity in children and adolescents. Neurobiology Of Aging 2019, 82: 10-17. PMID: 31376729, PMCID: PMC7658444, DOI: 10.1016/j.neurobiolaging.2019.06.011.Peer-Reviewed Original ResearchConceptsAlzheimer's diseaseAD-PRSBrain connectivityGenetic riskRight superior temporal gyrusFunctional brain connectivityMagnetic resonance imagingInhibitory controlSuperior temporal gyrusTau pathologyAD developmentPolygenic risk scoresRisk scoreRight precuneusResonance imagingTau proteinTemporal gyrusDiseaseBrain connectionsEarly lifePathology networkFunctional networksRiskPorto AlegreMemory performanceCaudate volume differences among treatment responders, non-responders and controls in children with obsessive–compulsive disorder
Vattimo E, Barros V, Requena G, Sato J, Fatori D, Miguel E, Shavitt R, Hoexter M, Batistuzzo M. Caudate volume differences among treatment responders, non-responders and controls in children with obsessive–compulsive disorder. European Child & Adolescent Psychiatry 2019, 28: 1607-1617. PMID: 30972581, DOI: 10.1007/s00787-019-01320-w.Peer-Reviewed Original ResearchConceptsObsessive-compulsive disorderGroup cognitive behavioral therapyPediatric obsessive-compulsive disorderRight caudateTreatment responseCognitive behavioral therapyCaudate nucleusPossible neural substrateTreatment respondersGM volumeStructural magnetic resonance imagingNeural substratesPrevious evidenceNeurobiological underpinningsOrbitofrontal cortexAge-matched controlsTotal GM volumeMagnetic resonance imagingBrain structuresResonance imagingChildrenRespondersBonferroni correctionCaudatePatients
2016
Coordinated brain development: exploring the synchrony between changes in grey and white matter during childhood maturation
Moura L, Crossley N, Zugman A, Pan P, Gadelha A, Del Aquilla M, Picon F, Anés M, Amaro E, de Jesus Mari J, Miguel E, Rohde L, Bressan R, McGuire P, Sato J, Jackowski A. Coordinated brain development: exploring the synchrony between changes in grey and white matter during childhood maturation. Brain Imaging And Behavior 2016, 11: 808-817. PMID: 27169540, DOI: 10.1007/s11682-016-9555-0.Peer-Reviewed Original ResearchConceptsMagnetic resonance imagingCortical thicknessDiffusion tensor imagingFractional anisotropyWhite matterBrain regionsStructural magnetic resonance imagingGray matter changesWhite matter tractsGray matter regionsCortical thinningMatter changesResonance imagingBrain developmentMatter regionsTensor imagingRespective tractsSignificant heterogeneityTractPrefrontal regionsAge 7Previous studiesBrain architectureAsynchronous maturation
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
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