Recent cannabis abuse decreased stress-induced BOLD signals in the frontal and cingulate cortices of cocaine dependent individuals
Li CS, Milivojevic V, Constable RT, Sinha R. Recent cannabis abuse decreased stress-induced BOLD signals in the frontal and cingulate cortices of cocaine dependent individuals. Psychiatry Research 2005, 140: 271-280. PMID: 16290108, DOI: 10.1016/j.pscychresns.2005.09.002.Peer-Reviewed Original ResearchConceptsPerigenual anterior cingulateAbstinent cocaine-dependent subjectsCocaine-dependent subjectsCannabis abuseCannabis abusersCocaine-dependent individualsAnterior cingulateEmotional stressBOLD signalUrine drug screeningSame statistical thresholdDrug use historyFrontal cortical areasHeavy cannabis useLevel-dependent contrastPrevious neuroimaging studiesFunctional magnetic resonanceFrontal cortexCortical areasAlcohol consumptionCortical activationEmotional stress taskUse of marijuanaBrain regionsDecreased activation