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
2006
γ-Aminobutyric Acid Type A Receptors and Alcoholism: Intoxication, Dependence, Vulnerability, and Treatment
Krystal JH, Staley J, Mason G, Petrakis IL, Kaufman J, Harris RA, Gelernter J, Lappalainen J. γ-Aminobutyric Acid Type A Receptors and Alcoholism: Intoxication, Dependence, Vulnerability, and Treatment. JAMA Psychiatry 2006, 63: 957-968. PMID: 16952998, DOI: 10.1001/archpsyc.63.9.957.Peer-Reviewed Original ResearchConceptsBrain GABA systemsGABA systemAlcohol dependenceWithdrawal symptomsGABA functionGamma-aminobutyric acid (GABA) functionCortical GABA levelsAlcohol withdrawal symptomsΓ-Aminobutyric Acid Type A ReceptorsEnvironmental risk factorsLong-term alcohol effectsType A ReceptorsAlcohol-dependent individualsLong-term sobrietyGABA releaseNeurosteroid levelsAcute withdrawalAlcoholism vulnerabilityGABA neurotransmissionRisk factorsGABA levelsExtrasynaptic locationsLow chloride conductanceReceptor densityTonic component