NeuronsNeurogenesisCanariesDentate GyrusBromodeoxyuridineNeurons, AfferentHippocampusMotor NeuronsLateral VentriclesOlfactory BulbNeural Stem CellsAdult Stem CellsCell CountNerve Tissue ProteinsStem CellsVocalization, AnimalNeuropeptidesBrainCell DifferentiationImmunohistochemistryAction PotentialsNeuronal PlasticityAnimals, NewbornNeurogliaMice, Inbred C57BLSynapsesCerebral VentriclesProsencephalonCell SurvivalDopaminergic NeuronsCells, CulturedCell ProliferationMice, TransgenicFinchesNerve NetGreen Fluorescent ProteinsBrain-Derived Neurotrophic FactorTime FactorsInterneuronsModels, NeurologicalGABAergic NeuronsCalbindin 2NestinAgingAstrocytesPatch-Clamp TechniquesElectrophysiologyRats, Sprague-DawleyAxonsNerve RegenerationWater SupplyMicrotubule-Associated ProteinsGanglia, SpinalMaze LearningNeocortexTelencephalonSynaptic TransmissionOlfactory MucosaSensory Receptor CellsDendritesElectric StimulationLearningCell MovementRats, WistarOlfactory Receptor NeuronsBehavior, AnimalGlial Fibrillary Acidic ProteinSpinal CordCerebral CortexMemoryCholinergic NeuronsEpendymaAnalysis of VarianceMembrane Potentialsgamma-Aminobutyric AcidPhosphopyruvate HydrataseMicroscopy, ConfocalNeural Cell Adhesion Molecule L1Neural InhibitionNeurons, EfferentConditioning, EyelidOlfactory PathwaysMotor Neuron DiseaseMice, KnockoutExploratory BehaviorPyramidal CellsAntimetabolitesSmellMedulla OblongataDisease Models, AnimalStem Cell NicheIntermediate Filament ProteinsDopamineExcitatory Postsynaptic PotentialsMesencephalonCatsCell DivisionSerotonergic NeuronsSignal TransductionGene Expression Regulation, Developmental