Reticular FormationPonsMedulla OblongataBrain StemCatsMesencephalonEfferent PathwaysWheat Germ Agglutinin-Horseradish Peroxidase ConjugateConsummatory BehaviorNeuronal Tract-TracersElectric StimulationPedunculopontine Tegmental NucleusSleep, REMStomatognathic SystemNeuronsWakefulnessTegmentum MesencephaliNeural PathwaysThalamic NucleiIntralaminar Thalamic NucleiReticulumPhotomicrographyMicroinjectionsElectroencephalographyVestibular NucleiThalamusOculomotor NerveTrigeminal NucleiMuscimolSuperior ColliculiNeurons, EfferentElectromyographyAbducens NerveImmobility Response, TonicStilbamidinesMyopathies, Structural, CongenitalSaccadesSpinal CordDecerebrate StateHypoglossal NerveAfferent PathwaysMotor NeuronsHead MovementsGABA-A Receptor AgonistsGABA AgonistsThiamylalRed NucleusCholinergic AgonistsOphthalmoplegiaArousalStomach, RuminantSleepgamma-Aminobutyric AcidAction PotentialsOrexin ReceptorsElectrooculographyRats, Sprague-DawleyAcetylcholineFunctional LateralityRaphe NucleiHorseradish PeroxidaseAnesthesiaMacaca fascicularisForelimbAxonal TransportShoulderMacaca mulattaBicucullineLocomotionEvoked PotentialsNeural InhibitionBrainSolitary NucleusReflexCerebellumInjectionsReticulinCarbacholStartle ReactionCerebral Cortex