2020
Toward 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
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