2022
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 samplesDeficits
2018
A preliminary investigation into the effects of doxazosin on cognitive functioning in tobacco‐deprived and ‐satiated smokers
Roberts W, Verplaetse TL, Moore KE, Oberleitner LM, McKee SA. A preliminary investigation into the effects of doxazosin on cognitive functioning in tobacco‐deprived and ‐satiated smokers. Human Psychopharmacology Clinical And Experimental 2018, 33: e2660. PMID: 29878501, PMCID: PMC5995328, DOI: 10.1002/hup.2660.Peer-Reviewed Original ResearchConceptsContinuous performance taskInhibitory controlCognitive functioningPerformance taskTobacco withdrawalEffects of doxazosinSustained attentionCognitive performanceWithdrawal symptomsCognitive AssessmentSmoking outcomesMost measuresSelf-reported withdrawal symptomsReaction timeTaskParticipantsFunctioningPredrug levelsΑ1 antagonistTitration periodGreater improvementDoxazosinSmokingSymptomsPreliminary investigation
2009
Nicotine Deprivation and Trait Impulsivity Affect Smokers' Performance on Cognitive Tasks of Inhibition and Attention
Harrison EL, Coppola S, McKee SA. Nicotine Deprivation and Trait Impulsivity Affect Smokers' Performance on Cognitive Tasks of Inhibition and Attention. Experimental And Clinical Psychopharmacology 2009, 17: 91-98. PMID: 19331485, PMCID: PMC2863308, DOI: 10.1037/a0015657.Peer-Reviewed Original ResearchConceptsCognitive processingNicotine deprivationImpulsive smokersTrait impulsivityGo/No-Go taskBarratt Impulsiveness ScaleCognitive tasksInhibitory controlPerformance decrementsImpulsiveness ScaleTask IISubjects designImpulsivityGreater impairmentDaily smokersReaction timeDeprivation conditionsMixed model regression analysisTaskProcessingRelapse riskImpairmentSignificant deprivationImpulsivenessDeprivation