2023
Double dissociation between P300 components and task switch error type in healthy but not psychosis participants
Huang L, Parker D, Ethridge L, Hamm J, Keedy S, Tamminga C, Pearlson G, Keshavan M, Hill S, Sweeney J, McDowell J, Clementz B. Double dissociation between P300 components and task switch error type in healthy but not psychosis participants. Schizophrenia Research 2023, 261: 161-169. PMID: 37776647, PMCID: PMC11015813, DOI: 10.1016/j.schres.2023.09.025.Peer-Reviewed Original ResearchConceptsEvent-related potentialsDouble dissociationParietal P300Oddball taskCognitive functionPsychosis participantsInductive reasoningP300 event-related potentialFrontal P300 amplitudePossible neural correlatesMental flexibilityCognitive demandsMemory maintenanceNeural correlatesPerseverative errorsRegressive errorsBehavioral performanceOddball targetsP300 componentP300 amplitudeError typesSubjects' abilityNeural activityP300 reductionHealthy participants
2021
Electrophysiological signatures of inhibitory control in children with Tourette syndrome and attention-deficit/hyperactivity disorder
Morand-Beaulieu S, Smith SD, Ibrahim K, Wu J, Leckman JF, Crowley MJ, Sukhodolsky DG. Electrophysiological signatures of inhibitory control in children with Tourette syndrome and attention-deficit/hyperactivity disorder. Cortex 2021, 147: 157-168. PMID: 35042055, PMCID: PMC8816877, DOI: 10.1016/j.cortex.2021.12.006.Peer-Reviewed Original ResearchConceptsAttention-deficit/hyperactivity disorderGo/NoGo taskFrontal midline theta oscillationsFrontal midline theta powerEvent-related potentialsNoGo taskHyperactivity disorderInhibitory controlTheta powerTheta oscillationsP300 latencyInhibitory control abilitiesDense-array EEG recordingsDistinct electrophysiological profileTourette syndromeNeural underpinningsElectrophysiological correlatesTask performanceBehavioral performanceElectrophysiological signaturesP300 componentBrain activityN200Control abilityTask
2008
Modulation of the cortical processing of novel and target stimuli by drugs affecting glutamate and GABA neurotransmission
Watson TD, Petrakis IL, Edgecombe J, Perrino A, Krystal JH, Mathalon DH. Modulation of the cortical processing of novel and target stimuli by drugs affecting glutamate and GABA neurotransmission. The International Journal Of Neuropsychopharmacology 2008, 12: 357-370. PMID: 18771605, PMCID: PMC2900256, DOI: 10.1017/s1461145708009334.Peer-Reviewed Original ResearchMeSH KeywordsAdultAnalysis of VarianceCerebral CortexDouble-Blind MethodElectroencephalographyEvoked PotentialsFemaleGABA ModulatorsHumansKetamineMalePain MeasurementPattern Recognition, VisualPhotic StimulationReaction TimeReceptors, GABA-BReceptors, N-Methyl-D-AspartateStatistics as TopicThiopentalYoung AdultConceptsPlacebo-controlled studyNMDA receptor systemSubanaesthetic dosesGABA neurotransmissionChallenge sessionsDrug effectsNMDA antagonismHealthy adultsNovel stimuliCortical processingReceptor systemPlaceboDrugsCounterbalanced orderKetaminePotential correlatesNeural correlatesP3a amplitudeNovelty processingP300 componentStandard stimuliStimulus processingStimuliTarget stimuliN2 amplitude
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