2014
Effects of Nicotine on the Neurophysiological and Behavioral Effects of Ketamine in Humans
Mathalon DH, Ahn KH, Perry EB, Cho HS, Roach BJ, Blais RK, Bhakta S, Ranganathan M, Ford JM, D’Souza D. Effects of Nicotine on the Neurophysiological and Behavioral Effects of Ketamine in Humans. Frontiers In Psychiatry 2014, 5: 3. PMID: 24478731, PMCID: PMC3900858, DOI: 10.3389/fpsyt.2014.00003.Peer-Reviewed Original ResearchAuditory event-related brain potentialsEvent-related brain potentialsTest sessionsBehavioral effectsAmplitude of P3aDissociative Symptoms ScaleNicotinic acetylcholine receptor stimulationBrain potentialsP3b amplitudeMMN amplitudeP3a amplitudeNovel stimuliNeurophysiological measuresNMDA receptor hypofunctionN-methyl-D-aspartate (NMDA) receptor hypofunctionNegative Syndrome ScaleEffects of nicotineReceptor hypofunctionNeurocognitive impairmentCounterbalanced mannerP3aSchizophrenia-like effectsSyndrome ScaleInjections of nicotineInteraction of ketamine
2008
Effects of haloperidol on the behavioral, subjective, cognitive, motor, and neuroendocrine effects of Δ-9-tetrahydrocannabinol in humans
D’Souza D, Braley G, Blaise R, Vendetti M, Oliver S, Pittman B, Ranganathan M, Bhakta S, Zimolo Z, Cooper T, Perry E. Effects of haloperidol on the behavioral, subjective, cognitive, motor, and neuroendocrine effects of Δ-9-tetrahydrocannabinol in humans. Psychopharmacology 2008, 198: 587-603. PMID: 18228005, PMCID: PMC2878815, DOI: 10.1007/s00213-007-1042-2.Peer-Reviewed Original ResearchConceptsPerceptual alterationsPsychotomimetic effectsCambridge taskRecall deficitsVerbal recallSample taskCognitive effectsMemory impairmentCognitive impairmentSubjective effectsPreclinical literatureBehavioral effectsTaskD2 receptor mechanismsEffects of haloperidolFrequent usersDopaminergic systemHaloperidol pretreatmentImpairmentDistractibilityRecallResultsConsistentSpectrum of effectsRandom orderDeficits
2005
Absence of behavioral sensitization in healthy human subjects following repeated exposure to ketamine
Cho HS, D’Souza D, Gueorguieva R, Perry EB, Madonick S, Karper LP, Abi-Dargham A, Belger A, Abi-Saab W, Lipschitz D, Bennet A, Seibyl JP, Krystal JH. Absence of behavioral sensitization in healthy human subjects following repeated exposure to ketamine. Psychopharmacology 2005, 179: 136-143. PMID: 15682309, DOI: 10.1007/s00213-004-2066-5.Peer-Reviewed Original ResearchConceptsHealthy human subjectsBehavioral sensitizationReceptor antagonistN-methyl-D-aspartate (NMDA) glutamate receptor antagonistBehavioral effectsHuman subjectsGlutamate receptor antagonistsNMDA receptor antagonistConclusionsThe current dataEvidence of sensitizationRetrospective studyKetamine administrationOutcome measuresNegative symptomsObjectivesThe purposePrevious exposureFirst exposureKetamineSensitizationAntagonistExposurePerceptual alterationsCurrent dataSeparate studiesSubjects