2024
Lesions to the mediodorsal thalamus, but not orbitofrontal cortex, enhance volatility beliefs linked to paranoia
Suthaharan P, Thompson S, Rossi-Goldthorpe R, Rudebeck P, Walton M, Chakraborty S, Noonan M, Costa V, Murray E, Mathys C, Groman S, Mitchell A, Taylor J, Corlett P, Chang S. Lesions to the mediodorsal thalamus, but not orbitofrontal cortex, enhance volatility beliefs linked to paranoia. Cell Reports 2024, 43: 114355. PMID: 38870010, PMCID: PMC11231991, DOI: 10.1016/j.celrep.2024.114355.Peer-Reviewed Original ResearchOrbitofrontal cortexMediodorsal thalamusReward learning rateAssociated with paranoiaExcitotoxic lesionsBrain regionsUnoperated monkeysAction selectionAdaptive behaviorParanoiaBelief updatingMDmcMeaningful changeCortexThalamusBeliefsLearning rateRobust to variabilityCompare performanceRewardBehaviorBrainMonkeysAction policiesPerception
1989
Limbic-striatal interactions in reward-related processes
Robbins T, Cador M, Taylor J, Everitt B. Limbic-striatal interactions in reward-related processes. Neuroscience & Biobehavioral Reviews 1989, 13: 155-162. PMID: 2682402, DOI: 10.1016/s0149-7634(89)80025-9.Peer-Reviewed Original ResearchConceptsVentral striatumDA depletionIndirect dopamine agonist d-amphetamineStriatal DA depletionReward-related stimuliAgonist d-amphetamineSelective stimulatory effectDA-dependent processesBasolateral nucleusD-amphetamineExcitotoxic lesionsReward-related processesSecond-order scheduleDorsal striatumStriatumAmygdala lesionsStimulatory effectLesionsSimilar discriminative propertiesDiscriminative propertiesOrder schedulePredictive associationsSexual reinforcementDorsalParallel findings