2022
Muscarinic antagonists impair multiple aspects of operant discrimination learning and performance
Yousuf H, Girardi E, Crouse R, Picciotto M. Muscarinic antagonists impair multiple aspects of operant discrimination learning and performance. Neuroscience Letters 2022, 794: 137025. PMID: 36529388, PMCID: PMC9812939, DOI: 10.1016/j.neulet.2022.137025.Peer-Reviewed Original ResearchConceptsOperant discriminationOperant discrimination learningCue-reward associationsLong-term memoryMultiple training sessionsPost-session injectionsCue associationsReward-related respondingMemory processesDiscrimination learningMaladaptive formsImpaired consolidationFood rewardSuccessful learningNose pokesDifferent learningPre-session injectionsTraining sessionsRewardTaskMemoryLearningMultiple aspectsEnvironmental cuesMuscarinic acetylcholine receptor family
2020
Acetylcholine is released in the basolateral amygdala in response to predictors of reward and enhances learning of cue-reward contingency
Crouse RB, Kim K, Batchelor HM, Girardi EM, Kamaletdinova R, Chan J, Rajebhosale P, Pittenger ST, Role LW, Talmage DA, Jing M, Li Y, Gao XB, Mineur YS, Picciotto MR. Acetylcholine is released in the basolateral amygdala in response to predictors of reward and enhances learning of cue-reward contingency. ELife 2020, 9: e57335. PMID: 32945260, PMCID: PMC7529459, DOI: 10.7554/elife.57335.Peer-Reviewed Original ResearchConceptsBasolateral amygdalaCue-reward learningActivity of neuronsReward-related eventsNucleus basalisBLA responsesACh levelsPredictors of rewardTerminal fibersNeuron activityReward-predictive cuesCalcium indicatorsAChNeutral cuesEmotional stimuliAversive stimuliReward retrievalTask acquisitionAmygdalaSalient eventsMiceACh sensorTerminal activityQuick acquisitionCues