FearEmotionsFacial ExpressionConditioning, ClassicalMagnetic Resonance ImagingConditioning (Psychology)Neural PathwaysBrain MappingBehavior, AnimalLimbic SystemAvoidance LearningFreezing Reaction, CatalepticMemoryRats, Long-EvansExtinction, PsychologicalPrefrontal CortexRats, Sprague-DawleyElectroshockAnxietyBrainSeptal NucleiImage Processing, Computer-AssistedAnalysis of VarianceHippocampusFunctional LateralityNeuronsKindling, NeurologicAssociation LearningIbotenic AcidCorticotropin-Releasing HormonePhotic StimulationProto-Oncogene Proteins c-fosRewardStartle ReactionMicroinjectionsArousalLipoid Proteinosis of Urbach and WietheCuesFunctional NeuroimagingMuscimolPattern Recognition, VisualFaceExploratory BehaviorNerve NetAcoustic StimulationGyrus CinguliNeuronal PlasticityReaction TimeNeuronal Tract-TracersStress, PsychologicalReceptors, Corticotropin-Releasing HormoneConditioning, OperantLong-Term PotentiationMaze LearningCerebral CortexSocial PerceptionSocial BehaviorSynaptic TransmissionGalvanic Skin ResponseHappinessAffectDominance, CerebralRestraint, PhysicalSubliminal StimulationNeuropsychological TestsOncogene Proteins v-fosgamma-Aminobutyric AcidRats, WistarTemporal LobeRecognition (Psychology)CorticosteroneOlfactory PathwaysAnti-Anxiety AgentsElectric StimulationThalamusSubstance Withdrawal SyndromeTasteAngerLearningNucleus AccumbensReinforcement (Psychology)Receptors, N-Methyl-D-AspartateRetention (Psychology)OxygenSerotonin Plasma Membrane Transport ProteinsExcitatory Amino Acid AntagonistsEvoked PotentialsHabituation, PsychophysiologicHypothalamusExpressed EmotionElectrodes, ImplantedNeural InhibitionSex CharacteristicsSubstantia InnominataGABA AgonistsExcitatory Postsynaptic PotentialsMacaca mulattaSynapsesCocaineBipolar Disorder