2015
Ketamine-Induced Hallucinations
Powers A, Gancsos MG, Finn ES, Morgan PT, Corlett PR. Ketamine-Induced Hallucinations. Psychopathology 2015, 48: 376-385. PMID: 26361209, PMCID: PMC4684980, DOI: 10.1159/000438675.Peer-Reviewed Original ResearchConceptsAuditory verbal hallucinationsPerceptual inputVerbal hallucinationsPredictive coding modelDelusion-like ideasPerceptual disruptionsPerceptual expectationsPerceptual environmentCoding modelPhenomenological experienceSensory stimuliStimulation environmentAuditory hallucinationsHealthy participantsHallmark symptomFirst-episode psychosisMusical hallucinationsMRI scannerHallucinationsParticipantsMagnetic resonance imaging (MRI) scannerPsychosisAmotivationPerceptVivid hallucinations
2014
Dreams, reality and memory: confabulations in lucid dreamers implicate reality-monitoring dysfunction in dream consciousness
Corlett PR, Canavan SV, Nahum L, Appah F, Morgan PT. Dreams, reality and memory: confabulations in lucid dreamers implicate reality-monitoring dysfunction in dream consciousness. Cognitive Neuropsychiatry 2014, 19: 540-553. PMID: 25028078, PMCID: PMC4160044, DOI: 10.1080/13546805.2014.932685.Peer-Reviewed Original ResearchConceptsReality monitoringDream awarenessDefault-mode brain functionSignal detection theory analysisLiberal acceptance biasVentromedial prefrontal cortexDetection theory analysisModel-based reinforcement learningNon-psychotic individualsNotion of overlapCognitive tasksTask runsMemory errorsPrefrontal cortexDream consciousnessPsychotic experiencesBrain functionAltered statesReinforcement learningPerceptionCurrent perceptionsTaskResearch settingsLucid dreamersConsciousness