Reticular FormationPonsMedulla OblongataBrain StemCatsNeuronal Tract-TracersMesencephalonThalamic NucleiIntralaminar Thalamic NucleiEfferent PathwaysReticulumNeuronsWheat Germ Agglutinin-Horseradish Peroxidase ConjugateNeural PathwaysMicroinjectionsElectric StimulationConsummatory BehaviorThalamusSleep, REMPedunculopontine Tegmental NucleusStilbamidinesPeriaqueductal GrayWakefulnessRats, Sprague-DawleyStomach, RuminantStomatognathic SystemMuscimolSpinal CordTegmentum MesencephaliElectroencephalographyVestibular NucleiAfferent PathwaysPhotomicrographyTrigeminal NucleiDecerebrate StateElectromyographyOculomotor NerveMotor NeuronsGABA AgonistsNeurons, EfferentRaphe NucleiSuperior Colliculigamma-Aminobutyric AcidMicrodialysisAction PotentialsHypoglossal NerveAbducens NerveFunctional LateralityImmobility Response, TonicReticulinProto-Oncogene Proteins c-fosRed NucleusSaccadesNeural InhibitionSleepHorseradish PeroxidaseBrain MappingArousalSolitary NucleusThiamylalHead MovementsGABA-A Receptor AgonistsOrexin ReceptorsBicucullineCholinergic AgonistsRetinal DrusenBrainReflexNeuroanatomical Tract-Tracing TechniquesAxonal TransportAnesthesiaOphthalmoplegiaElectrophysiologyVentral Thalamic NucleiElectrooculographyEvoked PotentialsAcetylcholineMacaca fascicularisLocomotionLateral Thalamic NucleiCerebral CortexHypothalamusNerve NetReaction TimeMacaca mulattaSynaptic TransmissionNeurons, AfferentSympathetic Nervous SystemInjectionsReceptors, GABA-ADextransKynurenic AcidForelimbCerebellumImmunohistochemistryGlutamate DecarboxylaseAxonsShoulderRats, WistarRespiration