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
2012
Impaired auditory discrimination learning following perinatal nicotine exposure or β2 nicotinic acetylcholine receptor subunit deletion
Horst NK, Heath CJ, Neugebauer NM, Kimchi EY, Laubach M, Picciotto MR. Impaired auditory discrimination learning following perinatal nicotine exposure or β2 nicotinic acetylcholine receptor subunit deletion. Behavioural Brain Research 2012, 231: 170-180. PMID: 22433585, PMCID: PMC3334440, DOI: 10.1016/j.bbr.2012.03.002.Peer-Reviewed Original ResearchConceptsAuditory stimulus processingStimulus processingAuditory discrimination learningUnderlying neurobiological mechanismsAuditory discrimination paradigmLow rates (DRL) taskPerinatal nicotine exposureAuditory discriminationGeneral deficitDiscrimination learningTask performanceNicotine exposureDiscrimination impairmentNeurobiological mechanismsMouse perinatal developmentDiscrimination paradigmRate taskDifferential reinforcementAdministration of nicotineTaskAuditory pathwayLearningNicotinic acetylcholine receptorsMaternal smokingProcessing
2000
Fear conditioning and latent inhibition in mice lacking the high affinity subclass of nicotinic acetylcholine receptors in the brain
Caldarone B, Duman C, Picciotto M. Fear conditioning and latent inhibition in mice lacking the high affinity subclass of nicotinic acetylcholine receptors in the brain. Neuropharmacology 2000, 39: 2779-2784. PMID: 11044747, DOI: 10.1016/s0028-3908(00)00137-4.Peer-Reviewed Original ResearchConceptsLatent inhibitionFear conditioningLatent inhibition taskTests of cognitionSpecific nicotinic receptor subtypesSpatial learning deficitsCognitive tasksInhibition taskHigh affinity subclassCognitive effectsBehavioral freezingLearning deficitsConditioningFearNicotinic receptor subtypesTaskOverall levelCognitionToneNicotineDeficitsSimilar levelsNicotinic receptorsNicotinic acetylcholine receptorsPrevious studies