Substantia nigra/ventral tegmental reward prediction error disruption in psychosis
Murray G, Corlett P, Clark L, Pessiglione M, Blackwell A, Honey G, Jones P, Bullmore E, Robbins T, Fletcher P. Substantia nigra/ventral tegmental reward prediction error disruption in psychosis. Molecular Psychiatry 2007, 13: 267-276. PMID: 17684497, PMCID: PMC2564111, DOI: 10.1038/sj.mp.4002058.Peer-Reviewed Original ResearchMeSH KeywordsAdolescentAdultAnalysis of VarianceCase-Control StudiesChoice BehaviorFemaleHumansImage Processing, Computer-AssistedMagnetic Resonance ImagingMaleModels, PsychologicalNeuropsychological TestsOxygenPhotic StimulationPsychiatric Status Rating ScalesPsychotic DisordersRewardSubstantia NigraVentral Tegmental AreaConceptsDopaminergic midbrainFunctional magnetic resonance imagingReward prediction errorHealthy control participantsPsychosis patientsNeutral stimuliMotivational salienceNeural responsesMental experienceRecent theoretical interestFirst-episode psychosis patientsPrediction errorConditioning experimentsControl participantsEpisode psychosis patientsPsychotic experiencesPathophysiology of schizophreniaPositive symptomsAbnormal physiological responsesMesolimbic activityMidbrain dopamine neuronsMagnetic resonance imagingDopamine dysfunctionDopamine systemDopamine neuronsPredictive performance of the Domino, Hijazi, and Clements models during low-dose target-controlled ketamine infusions in healthy volunteers
Absalom A, Lee M, Menon D, Sharar S, De Smet T, Halliday J, Ogden M, Corlett P, Honey G, Fletcher P. Predictive performance of the Domino, Hijazi, and Clements models during low-dose target-controlled ketamine infusions in healthy volunteers. British Journal Of Anaesthesia 2007, 98: 615-623. PMID: 17389691, PMCID: PMC3838936, DOI: 10.1093/bja/aem063.Peer-Reviewed Original ResearchConceptsTarget-controlled infusionKetamine infusionHealthy volunteersLow-dose ketamine infusionPlasma concentration-time courseVenous blood samplesCognitive function testsConcentration-time courseFunction testsKetamine administrationTarget concentrationBlood samplesKetamine modelInfusionMore occasionsTCI deviceFunctional neuroimagingVolunteers