Vocalization, AnimalFinchesCanariesHigh Vocal CenterSongbirdsSaccadesOculomotor MusclesEye Movement MeasurementsEye MovementsTelencephalonProsencephalonOcular Motility DisordersFixation, OcularCell NucleusReadingBrainAttentionReaction TimeNeuronsPhotic StimulationPsychomotor PerformanceNucleus AccumbensThalamic NucleiSolitary NucleusCochlear NucleusRaphe NucleiCerebellar NucleiSeptal NucleiActive Transport, Cell NucleusCaudate NucleusArcuate NucleusParaventricular Hypothalamic NucleusSuprachiasmatic NucleusRed NucleusTrigeminal NucleiSubthalamic NucleusSupraoptic NucleusCytoplasmOlivary NucleusRats, Sprague-DawleyTrigeminal Nucleus, SpinalBrain StemVentral Thalamic NucleiIntralaminar Thalamic NucleiMicroinjectionsBasal Nucleus of MeynertNeural PathwaysPonsMedulla OblongataAnterior Thalamic NucleiMolecular Sequence DataVentromedial Hypothalamic NucleusNuclear ProteinsCell Nucleus ShapeNuclear Envelope