Nervous SystemBrainMagnetic Resonance ImagingNeural PathwaysBrain MappingAmygdalaModels, NeurologicalEctodermFunctional LateralityNerve NetNeuronsEmbryo, NonmammalianCentral Nervous SystemMovementCerebral CortexAcoustic StimulationPhotic StimulationReaction TimeLearningPrefrontal CortexAttentionIn Situ HybridizationCognitionMemoryPsychomotor PerformanceHippocampusGene Expression Regulation, DevelopmentalImage Processing, Computer-AssistedElectric StimulationTime FactorsAction Potentials