2024
Medial prefrontal cortex acetylcholine signaling mediates the ability to learn an active avoidance response following learned helplessness training
Abdulla Z, Mineur Y, Crouse R, Etherington I, Yousuf H, Na J, Picciotto M. Medial prefrontal cortex acetylcholine signaling mediates the ability to learn an active avoidance response following learned helplessness training. Neuropsychopharmacology 2024, 1-9. PMID: 39362985, DOI: 10.1038/s41386-024-02003-0.Peer-Reviewed Original ResearchMedial prefrontal cortexACh levelsInescapable stressorEscape performanceExposure to inescapable stressorsAcetylcholine signalingLearned helplessness taskLearned helplessness trainingStress-related circuitsActive avoidance taskActive avoidance testActive avoidance responseElevation of acetylcholineIncreased ACh levelsStress-related behaviorsImpaired escape performanceIncreased brain levelsTop-down controlHelplessness trainingPrefrontal cortexAvoidance taskChemogenetic inhibitionMaladaptive behaviorsAvoidance testNegative encoding
2000
Gender Differences in Learned Helplessness Behavior Are Influenced by Genetic Background
Caldarone B, George T, Zachariou V, Picciotto M. Gender Differences in Learned Helplessness Behavior Are Influenced by Genetic Background. Pharmacology Biochemistry And Behavior 2000, 66: 811-817. PMID: 10973520, DOI: 10.1016/s0091-3057(00)00271-9.Peer-Reviewed Original ResearchConceptsEscape latencyInescapable shockHelplessness behaviorGenetic backgroundInescapable shock pretreatmentControl miceMale C57BL/6JMixed genetic backgroundB6 xGender differencesNonshocked controlsB6 femalesMiceB6 malesEscape performanceCommon genetic backgroundKnockout modelsHelplessness modelShock pretreatmentMalesFemalesLatencyPain