2013
Ketamine Effects on Memory Reconsolidation Favor a Learning Model of Delusions
Corlett PR, Cambridge V, Gardner JM, Piggot JS, Turner DC, Everitt JC, Arana FS, Morgan HL, Milton AL, Lee JL, Aitken MR, Dickinson A, Everitt BJ, Absalom AR, Adapa R, Subramanian N, Taylor JR, Krystal JH, Fletcher PC. Ketamine Effects on Memory Reconsolidation Favor a Learning Model of Delusions. PLOS ONE 2013, 8: e65088. PMID: 23776445, PMCID: PMC3680467, DOI: 10.1371/journal.pone.0065088.Peer-Reviewed Original ResearchConceptsMemory strengthMemory reconsolidationIndividual brain responsesError-dependent learningPsychotogenic effectsSubsequent memoryFear memoryBizarre beliefsBrain responsesDelusional beliefsPrediction errorImpact of ketamineIndividual vulnerabilityBrain signalsSubject studyReconsolidationIndependent samplesLearning procedureMemoryKetamine effectsDelusionsBeliefsPlacebo administrationPsychosisNMDA receptor antagonist
1994
SPECT regional cerebral blood flow alterations in naltrexone-precipitated withdrawal from buprenorphine
van Dyck C, Rosen M, Thomas H, McMahon T, Wallace E, O'Connor P, Sullivan M, Krystal J, Hoffer P, Woods S, Kosten T. SPECT regional cerebral blood flow alterations in naltrexone-precipitated withdrawal from buprenorphine. Psychiatry Research 1994, 55: 181-191. PMID: 7701033, DOI: 10.1016/0925-4927(94)90013-2.Peer-Reviewed Original ResearchConceptsRegional cerebral blood flowRegional cerebral blood flow alterationsCerebral blood flow alterationsHexamethyl propylene amine oximeOpiate-induced analgesiaBlood flow alterationsSeverity of withdrawalCerebral blood flowOpiate-dependent patientsAnterior cingulate regionsAnterior cingulate cortexSingle photon emissionPlacebo administrationAmine oximeOpiate withdrawalRCBF ratiosWithdrawal severityBlood flowCingulate cortexCingulate regionsSignificant negative correlationBuprenorphineNaltrexonePlaceboPatients