Brain ChemistryFearBrain MappingBrain InjuriesBrain NeoplasmsMagnetic Resonance ImagingBrainEmotionsFacial ExpressionConditioning, ClassicalNeural PathwaysNeuronsRats, Sprague-DawleyConditioning (Psychology)Behavior, AnimalBrain StemBrain EdemaImage Processing, Computer-AssistedHippocampusMemoryLimbic SystemBrain IschemiaPrefrontal CortexCerebral CortexRats, Long-EvansAnalysis of VarianceFunctional LateralityFreezing Reaction, CatalepticAvoidance LearningExtinction, PsychologicalElectroshockBrain AbscessAnxietySeptal NucleiNerve NetPhotic StimulationBrain Damage, ChronicRewardAssociation LearningProto-Oncogene Proteins c-fosKindling, NeurologicRats, WistarNeuronal PlasticityCorticotropin-Releasing HormoneIbotenic AcidFunctional NeuroimagingReaction TimeTime FactorsHypoxia, BrainMicroinjectionsGyrus CinguliCuesBlood-Brain BarrierArousalStartle ReactionNeuropsychological TestsDisease Models, AnimalAcoustic StimulationMaze LearningExploratory BehaviorFaceNerve Tissue ProteinsPattern Recognition, VisualMuscimolThalamusMice, Inbred C57BLTemporal LobeImmunohistochemistryLipoid Proteinosis of Urbach and WietheSynaptic TransmissionHypothalamusOxygengamma-Aminobutyric AcidStress, PsychologicalAnimals, NewbornTissue DistributionSocial BehaviorBrain InfarctionReceptors, Corticotropin-Releasing HormoneProsencephalonLong-Term PotentiationElectric StimulationNeuroimagingConditioning, OperantElectroencephalographyOlfactory PathwaysAtrophyNeuronal Tract-TracersReceptors, N-Methyl-D-AspartateAffectRNA, MessengerCorticosteroneModels, NeurologicalRecognition (Psychology)Deep Brain StimulationSex CharacteristicsCerebrovascular CirculationCognitionSocial PerceptionSynapses