2015
A preliminary study of dopamine D2/3 receptor availability and social status in healthy and cocaine dependent humans imaged with [11C](+)PHNO
Matuskey D, Gaiser EC, Gallezot JD, Angarita GA, Pittman B, Nabulsi N, Ropchan J, MaCleod P, Cosgrove KP, Ding YS, Potenza MN, Carson RE, Malison RT. A preliminary study of dopamine D2/3 receptor availability and social status in healthy and cocaine dependent humans imaged with [11C](+)PHNO. Drug And Alcohol Dependence 2015, 154: 167-173. PMID: 26164205, PMCID: PMC4536182, DOI: 10.1016/j.drugalcdep.2015.06.039.Peer-Reviewed Original ResearchConceptsPositron emission tomographyNon-human primatesInverse associationCD groupReceptor availabilityHealthy non-human primatesSubstantia nigra/ventral tegmental areaBarratt Simplified MeasureDopamine D2/3 receptor availabilityBody mass indexVentral tegmental areaCocaine-dependent humansChronic cocaine administrationDependent humansD2/3 receptor availabilitySN/VTAMass indexCD subjectsRegional brainExtrastriatal regionsTegmental areaCocaine administrationAntagonist radioligandAgonist radioligandCD individuals
2013
Methylphenidate remediates error-preceding activation of the default mode brain regions in cocaine-addicted individuals
Matuskey D, Luo X, Zhang S, Morgan PT, Abdelghany O, Malison RT, Li CS. Methylphenidate remediates error-preceding activation of the default mode brain regions in cocaine-addicted individuals. Psychiatry Research 2013, 214: 116-121. PMID: 23973363, PMCID: PMC3811038, DOI: 10.1016/j.pscychresns.2013.06.009.Peer-Reviewed Original ResearchMeSH KeywordsAdultCentral Nervous System StimulantsCerebral CortexCocaine-Related DisordersCognition DisordersFemaleHumansImage Processing, Computer-AssistedInhibition, PsychologicalMagnetic Resonance ImagingMaleMethylphenidateMiddle AgedModels, NeurologicalNeural PathwaysNeuropsychological TestsOxygenPhotic StimulationReaction TimeConceptsFunctional magnetic resonance imagingStop-signal taskCD individualsCerebral activationPrecuneus/posterior cingulate cortexSystolic blood pressureInfluence of methylphenidateEffects of methylphenidateMagnetic resonance imagingPosterior cingulate cortexBrain imaging studiesCocaine-addicted individualsDefault mode networkAgonist therapyBlood pressureIntravenous methylphenidateCortico-striatoHealthy controlsCocaine-dependent individualsThalamic activationCingulate cortexResonance imagingBrain regionsMethylphenidateCocaine dependence