Reticular FormationThalamic NucleiIntralaminar Thalamic NucleiReticulumPonsStomach, RuminantThalamusReticulinMedulla OblongataRetinal DrusenBrain StemCatsNeuronsOmasumLichen Planus, OralLateral Thalamic NucleiNeural PathwaysMesencephalonNeuronal Tract-TracersVentral Thalamic NucleiElectric StimulationPedunculopontine Tegmental NucleusWheat Germ Agglutinin-Horseradish Peroxidase ConjugateEfferent PathwaysGeographic AtrophyPhotomicrographyElectroencephalographySleep, REMStilbamidinesNeural InhibitionCerebral DecorticationAfferent PathwaysAction PotentialsRats, Sprague-DawleyEpilepsy, AbsenceDecerebrate StateMidline Thalamic NucleiOptic Disk DrusenClonazepamWakefulnessNeurons, EfferentConsummatory Behaviorgamma-Aminobutyric AcidTegmentum MesencephaliHorseradish PeroxidaseSpinal CordMyoclonusLaryngeal NervesMucinosesSubthalamusMicroinjectionsMuscimolMediodorsal Thalamic NucleusElectromyographyCalcium Channels, T-TypeVestibular NucleiOphthalmoscopyHistocytochemistryAbomasumReceptors, GABA-AImmunohistochemistrySleepCerebral CortexLymph NodesStomatognathic SystemMicroscopy, ElectronAxonal TransportEndoplasmic ReticulumOculomotor NerveReceptors, N-AcetylglucosamineSynapsesCholinergic AgonistsAbducens NerveSynaptic TransmissionThiamylalVibrissaePeriodicityGABA AgonistsHyalinElectrophysiologyEvoked PotentialsGABA AntagonistsTrigeminal NucleiRaphe NucleiBasilar MembraneNissl BodiesSuperior ColliculiMacular DegenerationHypoglossal NervePyridazinesOrgan of CortiAxonsCranial NervesExcitatory Postsynaptic PotentialsGeniculate BodiesBasement MembraneHyperpigmentationArousalPosterior Thalamic NucleiRed Nucleus