2018
Layer-specific reduced neuronal density in the orbitofrontal cortex of older adults with obsessive–compulsive disorder
de Oliveira K, Grinberg L, Hoexter M, Brentani H, Suemoto C, Nery F, Lima L, Alho A, Farfel J, Ferretti-Rebustini R, Leite R, Moretto A, da Silva A, Lafer B, Miguel E, Nitrini R, Jacob-Filho W, Heinsen H, Pasqualucci C. Layer-specific reduced neuronal density in the orbitofrontal cortex of older adults with obsessive–compulsive disorder. Brain Structure And Function 2018, 224: 191-203. PMID: 30298291, DOI: 10.1007/s00429-018-1752-8.Peer-Reviewed Original ResearchConceptsObsessive-compulsive disorderMedial orbitofrontalOrbitofrontal cortexNeuronal densityOCD casesLower neuron densityCortical-subcortical circuitryOFC abnormalitiesEfferent targetsNeuron densityClinical evaluationAnterolateral areaControl groupCognitive impairmentAutopsy serviceOrbitofrontal regionsAnteromedialOlder adultsControl casesOFC areasCortexConsistent evidenceDisordersCellular levelTotal
2015
Reduced Prefrontal Activation in Pediatric Patients With Obsessive-Compulsive Disorder During Verbal Episodic Memory Encoding
Batistuzzo M, Balardin J, da Graça Morais Martin M, Hoexter M, Bernardes E, Borcato S, de Marco e Souza M, Querido C, Morais R, de Alvarenga P, Lopes A, Shavitt R, Savage C, Amaro E, Miguel E, Polanczyk G, Miotto E. Reduced Prefrontal Activation in Pediatric Patients With Obsessive-Compulsive Disorder During Verbal Episodic Memory Encoding. Journal Of The American Academy Of Child & Adolescent Psychiatry 2015, 54: 849-858. PMID: 26407495, DOI: 10.1016/j.jaac.2015.06.020.Peer-Reviewed Original ResearchConceptsVerbal episodic memoryObsessive-compulsive disorderEpisodic memoryOrbitofrontal cortexPrefrontal cortexSemantic clusteringFunctional magnetic resonance imagingDorsomedial prefrontal cortexAltered brain activationDifferent neural mechanismsPathophysiology of OCDUnrelated wordsPrefrontal activationBrain activationWord listsExecutive dysfunctionNeural mechanismsTotal wordsCompulsive Scale scoresYale-Brown Obsessive Compulsive Scale scoresStrategy scoresStrategy applicationMemoryCortexKey regionsBrain 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
1995
Transtorno obsessivo-compulsivo e os gânglios da base
Filho E. Transtorno obsessivo-compulsivo e os gânglios da base. Arquivos De Neuro-Psiquiatria 1995, 53: 858-859. PMID: 8729788, DOI: 10.1590/s0004-282x1995000500036.Peer-Reviewed Original ResearchConceptsObsessive-compulsive disorderBasal gangliaCaudate nucleusPathophysiology of OCDSmaller caudate nucleusPrimary lesionCingulate cortexBrain structuresMagnetic resonance imagesCortexMental functionsPatientsGangliaMotor controlResonance imagesNucleus functionRecent studiesAdaptative responseThalamusPathophysiology