2013
Identifying the molecular basis of inhibitory control deficits in addictions: neuroimaging in non-human primates
Groman SM, Jentsch JD. Identifying the molecular basis of inhibitory control deficits in addictions: neuroimaging in non-human primates. Current Opinion In Neurobiology 2013, 23: 625-631. PMID: 23528268, PMCID: PMC3731407, DOI: 10.1016/j.conb.2013.03.001.Peer-Reviewed Original ResearchConceptsNon-human primatesSerotonin systemStimulant-dependent individualsAddiction-related behaviorsInhibitory control deficitsTreatment of addictionDopamine systemNeural alterationsAddiction liabilityNovel targetStimulant useStimulant addictionFunctional phenotypeControl deficitsHuman primatesRecent dataInhibitory controlAddictionBi-directional relationshipBiological phenotypesPrimatesPhenotype
2012
Dysregulation of D2-Mediated Dopamine Transmission in Monkeys after Chronic Escalating Methamphetamine Exposure
Groman SM, Lee B, Seu E, James AS, Feiler K, Mandelkern MA, London ED, Jentsch JD. Dysregulation of D2-Mediated Dopamine Transmission in Monkeys after Chronic Escalating Methamphetamine Exposure. Journal Of Neuroscience 2012, 32: 5843-5852. PMID: 22539846, PMCID: PMC3353813, DOI: 10.1523/jneurosci.0029-12.2012.Peer-Reviewed Original ResearchMeSH Keywords3,4-Dihydroxyphenylacetic AcidAnalysis of VarianceAnimalsBehavior, AnimalBrainCentral Nervous System StimulantsChlorocebus aethiopsChoice BehaviorDiscrimination LearningDopamineDopamine Plasma Membrane Transport ProteinsDose-Response Relationship, DrugDrug Administration ScheduleFeedback, SensoryHomovanillic AcidMagnetic Resonance ImagingMaleMethamphetaminePositron-Emission TomographyReceptors, Dopamine D2Retention, PsychologyReversal LearningSynaptic TransmissionTime FactorsConceptsInhibitory control deficitsIndividual differencesInhibitory controlStimulus-outcome associationsLike receptor availabilityReversal-learning performancePositive feedback sensitivityStimulant-dependent individualsSubstance abuse behaviorsDopamine transmissionDrug-induced neuroadaptationsControl deficitsSelective impairmentDrugs of abuseDopaminergic neurochemistryEscalating-dose regimenLike receptorsMethamphetamine exposureSubstance dependenceDopamine systemBrain dopamine levelsDopamine transporter availabilityDopaminergic neurotransmissionReceptor availabilityDeficits