2006
Neuropsychological deficits in nonsmokers with schizophrenia: Effects of a nicotinic antagonist
Sacco KA, Termine A, Dudas MM, Seyal AA, Allen TM, Vessicchio JC, Wexler BE, George TP. Neuropsychological deficits in nonsmokers with schizophrenia: Effects of a nicotinic antagonist. Schizophrenia Research 2006, 85: 213-221. PMID: 16678390, DOI: 10.1016/j.schres.2006.03.025.Peer-Reviewed Original ResearchConceptsWisconsin Card Sorting TestContinuous Performance TestControl nonsmokersNeuropsychological performanceStroop Color-Word TestNeuropsychological deficitsNicotinic acetylcholine receptor systemAcetylcholine receptor systemPosition testVisuospatial working memoryCigarette smokingAntagonist mecamylamineNicotinic antagonistsNeuropsychological dysfunctionNAChR blockadeNonsmokersSchizophrenia diagnosisColor-Word TestMecamylamineReceptor systemNeuropsychological assessmentSchizophreniaCard Sorting TestCounterbalanced designTest week
2005
Effects of Cigarette Smoking on Spatial Working Memory and Attentional Deficits in Schizophrenia: Involvement of Nicotinic Receptor Mechanisms
Sacco KA, Termine A, Seyal A, Dudas MM, Vessicchio JC, Krishnan-Sarin S, Jatlow PI, Wexler BE, George TP. Effects of Cigarette Smoking on Spatial Working Memory and Attentional Deficits in Schizophrenia: Involvement of Nicotinic Receptor Mechanisms. JAMA Psychiatry 2005, 62: 649-659. PMID: 15939842, DOI: 10.1001/archpsyc.62.6.649.Peer-Reviewed Original ResearchConceptsVisuospatial working memoryWorking memoryAttentional deficitsCognitive deficitsOvernight abstinenceContinuous Performance Test scoresSpatial working memoryOutpatient mental health centersPerformance test scoresCognitive enhancementCPT performanceNeuropsychological assessmentSmoking reinstatementTobacco cravingControl smokersTest scoresCounterbalanced mannerMental health centersCognitive impairmentReinstatementSubjective effectsNicotine dependenceCigarette smokingDeficitsNicotinic receptor mechanisms
2001
Effects of Smoking Abstinence on Visuospatial Working Memory Function in Schizophrenia
George TP, Vessicchio JC, Termine A, Sahady DM, Head CA, Pepper WT, Kosten TR, Wexler BE. Effects of Smoking Abstinence on Visuospatial Working Memory Function in Schizophrenia. Neuropsychopharmacology 2001, 26: 75-85. PMID: 11751034, DOI: 10.1016/s0893-133x(01)00296-2.Peer-Reviewed Original ResearchConceptsVisuospatial working memorySmoking abstinenceStroop Color-Word TestAbstinence-induced changesWorking Memory FunctionColor-Word TestPlacebo-controlled smoking cessation trialFunction of genderWorking memoryCigarette smokingWord TestSmoking cessation trialCognitive functionCognitive deficitsMemory functionNicotine-dependent cigarette smokersNon-smoking controlsSignificant impairmentPathophysiology of schizophreniaDopamine functionCortical dopamine functionCessation trialSchizophrenic smokersDepressive symptomsAbstinence