Lower Dopamine D2/3 Receptor Availability is Associated With Worse Verbal Learning and Memory in People Who Smoke Cigarettes
Zakiniaeiz Y, Gueorguieva R, Peltier M, Roberts W, Verplaetse T, Burke C, Morris E, McKee S, Cosgrove K. Lower Dopamine D2/3 Receptor Availability is Associated With Worse Verbal Learning and Memory in People Who Smoke Cigarettes. Nicotine & Tobacco Research 2022, 25: 1047-1051. PMID: 36107715, PMCID: PMC10077933, DOI: 10.1093/ntr/ntac215.Peer-Reviewed Original ResearchConceptsCognitive functionVerbal learningPrefrontal cortexCognitive deficitsWorse verbal learningBrain-behavior relationshipsD2R availabilityDorsolateral prefrontal cortexCognitive performanceComputerized testsTask performanceCogState batteryInhibitory controlNeurocognitive testsReceptor availabilityMesocortical dopaminePositron emission tomographyDopamine D2/3 receptor availabilityMemoryCognitionD2/3 receptor availabilityDopamine releaseSmoking variablesSubject samplesDeficitsDiagnostic group differences and exploratory sex differences in intrinsic connectivity during fMRI Stroop in individuals with and without cocaine use disorder
Zakiniaeiz Y, Lacadie C, Macdonald-Gagnon G, DeVito E, Potenza M. Diagnostic group differences and exploratory sex differences in intrinsic connectivity during fMRI Stroop in individuals with and without cocaine use disorder. Drug And Alcohol Dependence 2023, 251: 110962. PMID: 37716288, PMCID: PMC10557108, DOI: 10.1016/j.drugalcdep.2023.110962.Peer-Reviewed Original ResearchConceptsCocaine use disorderCognitive controlStroop performanceIntrinsic connectivityStroop task performanceFMRI Stroop taskDiagnostic groupsUse disordersDiagnostic group differencesMain effectHealthy comparison subjectsStroop effectStroop taskBehavioral resultsTask performanceFrontal gyrusIntrinsic connectivity distributionPrefrontal cortexAuditory areasGroup differencesBrain connectivityCingulate gyrusStroopBehavioral differencesHC group