Epilepsy, ReflexPhotic StimulationMyoclonic Epilepsy, JuvenileElectroencephalographyMyoclonusSuprachiasmatic NucleusOccipital LobeLightEvoked Potentials, VisualVisual CortexEpilepsyElectric StimulationElectric Stimulation TherapyStimulation, ChemicalDeep Brain StimulationPhysical StimulationTranscranial Magnetic StimulationCells, CulturedTranscutaneous Electric Nerve StimulationTime FactorsSignal TransductionCalciumCatsRats, Sprague-DawleyElectrodes, ImplantedMuscle ContractionCell LineAction PotentialsPhosphorylationVagus NerveEnzyme ActivationAcoustic StimulationDose-Response Relationship, DrugKineticsEvoked PotentialsLymphocyte ActivationNeuronsEvoked Potentials, MotorRNA, MessengerIsoproterenolCyclic AMPRats, WistarReflexAtropineNorepinephrineSynaptic TransmissionElectromyographyMotor CortexSubthalamic NucleusAfferent PathwaysElectrophysiologySympathetic Nervous SystemMice, Inbred C57BLNeural InhibitionGuinea PigsSelf Stimulation