2021
Dopaminergic mechanism underlying reward-encoding of punishment omission during reversal learning in Drosophila
McCurdy LY, Sareen P, Davoudian PA, Nitabach MN. Dopaminergic mechanism underlying reward-encoding of punishment omission during reversal learning in Drosophila. Nature Communications 2021, 12: 1115. PMID: 33602917, PMCID: PMC7893153, DOI: 10.1038/s41467-021-21388-w.Peer-Reviewed Original ResearchConceptsDopaminergic neuronsCholinergic neuronsNeural circuit mechanismsCholinergic relayDopaminergic mechanismsSynaptic excitationSynaptic reconstructionSynaptic inputsVivo functional imagingCircuit mechanismsNeuronsAversive memoryFunctional imagingOdor responsesAversive outcomesReduced activationSuch activationCircuit motifsActivationOutcomesElectric shock punishmentSensory cuesUnexpected omissionShock punishmentBehavioral analysis
2016
Presynaptic GABA Receptors Mediate Temporal Contrast Enhancement in Drosophila Olfactory Sensory Neurons and Modulate Odor-Driven Behavioral Kinetics
Raccuglia D, McCurdy LY, Demir M, Gorur-Shandilya S, Kunst M, Emonet T, Nitabach MN. Presynaptic GABA Receptors Mediate Temporal Contrast Enhancement in Drosophila Olfactory Sensory Neurons and Modulate Odor-Driven Behavioral Kinetics. ENeuro 2016, 3: eneuro.0080-16.2016. PMID: 27588305, PMCID: PMC4994068, DOI: 10.1523/eneuro.0080-16.2016.Peer-Reviewed Original ResearchConceptsOlfactory sensory neuronsPeripheral responsesGABA receptorsSensory neuronsContrast enhancementOSN axon terminalsInhibitory GABA receptorsPresynaptic GABAAxon terminalsDrosophila olfactory sensory neuronsPresynaptic terminalsNervous systemAuditory stimuliTemporal edgeOlfactory systemTime courseNeuronsInnate behavioral responsesReceptorsOptical electrophysiologyTemporal contrast enhancementBehavioral responsesLateral inhibitionResponseGABA
2015
Propagation of Homeostatic Sleep Signals by Segregated Synaptic Microcircuits of the Drosophila Mushroom Body
Sitaraman D, Aso Y, Jin X, Chen N, Felix M, Rubin GM, Nitabach MN. Propagation of Homeostatic Sleep Signals by Segregated Synaptic Microcircuits of the Drosophila Mushroom Body. Current Biology 2015, 25: 2915-2927. PMID: 26455303, PMCID: PMC4654684, DOI: 10.1016/j.cub.2015.09.017.Peer-Reviewed Original ResearchConceptsSynaptic microcircuitsDrosophila mushroom bodyKenyon cellsMushroom bodiesMB neuronsControl of sleepHomeostatic rebound sleepHomeostatic sleep regulationIncreases sleepRebound sleepSleep regulationMBONsSleep deprivationNeuron classesSleepSleep informationMemory centerSpecific functional connectionsFunctional connectionsNeuronsPhysiological approachDifferent populationsMicrocircuits