2024
Age of onset of obsessive-compulsive disorder differentially affects white matter microstructure
Vriend C, de Joode N, Pouwels P, Liu F, Otaduy M, Pastorello B, Robertson F, Ipser J, Lee S, Hezel D, van Meter P, Batistuzzo M, Hoexter M, Sheshachala K, Narayanaswamy J, Venkatasubramanian G, Lochner C, Miguel E, Reddy Y, Shavitt R, Stein D, Wall M, Simpson H, van den Heuvel O. Age of onset of obsessive-compulsive disorder differentially affects white matter microstructure. Molecular Psychiatry 2024, 29: 1033-1045. PMID: 38228890, PMCID: PMC11176057, DOI: 10.1038/s41380-023-02390-8.Peer-Reviewed Original ResearchObsessive-compulsive disorderPathophysiology of obsessive-compulsive disorderObsessive-compulsive disorder groupAge of OCD onsetOCD onsetHealthy controlsMedication-free adultsWhite matter microstructural alterationsVisual attention processesWhite matter microstructureStructural brain networksStructural connectome analysisWhite matter tractsBayesian multilevel analysisDirection of effectAttentional processesOCD individualsBrain signaturesBrain networksDiffusion MRI studiesPost hoc analysisSagittal stratumConnectome analysisMultilevel analysisStructural connectome
2013
Late-onset obsessive-compulsive disorder: Risk factors and correlates
Frydman I, do Brasil PE, Torres AR, Shavitt RG, Ferrão YA, Rosário MC, Miguel EC, Fontenelle LF. Late-onset obsessive-compulsive disorder: Risk factors and correlates. Journal Of Psychiatric Research 2013, 49: 68-74. PMID: 24267559, DOI: 10.1016/j.jpsychires.2013.10.021.Peer-Reviewed Original ResearchConceptsObsessive-compulsive disorderLate-onset obsessive-compulsive disorderSubclinical obsessive-compulsive symptomsPosttraumatic stress disorderObsessive-compulsive symptomsOnset obsessive-compulsive disorderObsessive-compulsive spectrum disordersMajor traumatic eventEarly-onset obsessive-compulsive disorderBrazilian Research ConsortiumTraumatic eventsSpectrum disorderStress disorderOCD symptomsOCD onsetDearth of studiesSelfCorrelatesDisordersPotential variablesNeural networkDistressSymptomsSizeable proportionSeries of models
2012
Outlining new frontiers for the comprehension of obsessive-compulsive disorder: a review of its relationship with fear and anxiety
Diniz J, Miguel E, de Oliveira A, Reimer A, Brandão M, de Mathis M, Batistuzzo M, Costa D, Hoexter M. Outlining new frontiers for the comprehension of obsessive-compulsive disorder: a review of its relationship with fear and anxiety. Brazilian Journal Of Psychiatry 2012, 34: 81-91. PMID: 22729451, DOI: 10.1590/s1516-44462012000500007.Peer-Reviewed Original ResearchConceptsObsessive-compulsive disorderAnxiety disordersExpression of fearTypes of obsessionsAnimal anxiety modelsFear conditioningCortico-striatal pathwaysFunctional neuroimagingNeurobiological studiesAnxiety modelsOCD patientsOCD onsetExtinction processAnxietyRelevant dimensionsMost interventionsFearDisordersDegree of overlapTreatment responsePsychopathologyComprehensionNeurocircuitryFunctioningFuture studies
2011
Towards a post-traumatic subtype of obsessive–compulsive disorder
Fontenelle L, Cocchi L, Harrison B, Shavitt R, do Rosário M, Ferrão Y, de Mathis M, Cordioli A, Yücel M, Pantelis C, de Jesus Mari J, Miguel E, Torres A. Towards a post-traumatic subtype of obsessive–compulsive disorder. Journal Of Anxiety Disorders 2011, 26: 377-383. PMID: 22230220, DOI: 10.1016/j.janxdis.2011.12.001.Peer-Reviewed Original ResearchConceptsObsessive-compulsive disorderObsessive-compulsive symptomsOCD patientsPost-traumatic stress disorderOnset of OCDCompulsive buying disorderHistory of PTSDTraumatic eventsStress disorderBuying disorderOCD onsetPanic disorderPTSDAlcohol-related disordersClinical featuresDisordersEducational levelMultinomial logistic regression analysisLogistic regression analysisSuicide planEarly ageLow educational levelMiscellaneous symptomsLater ageRegression analysis