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Spontaneous activity in the developing auditory system

Organization JOHNS HOPKINS UNIVERSITYLocation BALTIMORE, UNITED STATESPosted 1 Dec 2007Deadline 31 Mar 2026 ⚠️
NIHUS FederalResearch GrantFY20252-photon21+ years oldAcoustic NerveAcousticsAction PotentialsAcuteAdultAdult HumanAstrocytesAstrocytusAstrogliaAuditoryAuditory CortexAuditory areaAuditory systemBehavioralBrainBrain Nervous SystemCalciumCell BodyCell Communication and SignalingCell SignalingCellsCochleaCochlear ImplantsCochlear OrganCochlear ProsthesisCognitive DiscriminationCompensationCorti ganglionCouplingCranial Nerve EightCranial Nerve VIIIDNA mutationDevelopmentDiscriminationDrugsEighth Cranial NerveElectrophysiologyElectrophysiology (science)EncephalonEventExcitatory SynapseExhibitsExposure toExpression ProfilingFrequenciesGene TranscriptionGeneticGenetic ChangeGenetic TranscriptionGenetic defectGenetic mutationHearingHearing LossHypoacusesHypoacusisImageInferior ColliculusInner Phalangeal CellInner Supporting CellIntracellular Communication and SignalingKnowledgeLeadLifeMediatingMedicationMembraneMesencephalonMiceMice MammalsMid-brainMidbrainMidbrain structureMonitorMorphologyMurineMusMutationNerve CellsNerve Impulse TransmissionNerve TransmissionNerve UnitNeural CellNeurocyteNeuronal TransmissionNeuronsNeurophysiology / ElectrophysiologyOutputPatternPb elementPerformancePeripheralPharmaceutical PreparationsPosterior Quadrigeminal BodyProcessPropertyRNA ExpressionRoleSensoryShapesSignal InductionSignal TransductionSignal Transduction SystemsSignalingSpecific qualifier valueSpecifiedStereotypingStructureSupporting CellSynapsesSynapticTestingTrainingTranscriptionTraumaVIIIth Cranial NerveVestibulocochlear Nerveadulthoodastrocytic gliaauditory discriminationauditory nerveaxon signalingaxon-glial signalingaxonal signalingbiological signal transductioncritical developmental perioddevelopmentaldrug induced hearing impairmentdrug induced hearing lossdrug/agentdysfunctional hearingelectrical propertyelectrophysiologicalexperiencegenome mutationglia signalingglial signalinghearing challengedhearing defecthearing deficienthearing deficithearing difficultyhearing discriminationhearing dysfunctionhearing impairmentheavy metal Pbheavy metal leadimagingimaging in vivoimprovedin vivoin vivo imaginginsightmembrane structuremouse modelmurine modelnerve signalingneural signalingneuronalneuronal circuitneuronal circuitryneuronal excitabilityneuronal patterningneuronal signalingneurotransmissionototoxicototoxicitypreservationreconstructionsocial rolesoundsound frequencyspatial and temporalspatial temporalspatiotemporalspiral ganglionsynapsetooltwo-photon

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Description preview

Project Summary
Neurons in the developing auditory system experience highly stereotyped bursts of activity prior to the onset of
sensory experience. This activity is initiated within the cochlea when non-sensory inner supporting cells
release ATP, triggering a cascade of events that ultimately induces trains of action potentials in spiral ganglion…

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