FearMemoryConditioning, ClassicalFreezing Reaction, CatalepticAmygdalaConditioning (Psychology)Memory DisordersExtinction, PsychologicalMemory, Long-TermMemory, Short-TermElectroshockImmunologic MemoryMental RecallMemory, EpisodicAssociation LearningHippocampusAvoidance LearningAnisomycinBehavior, AnimalMaze LearningStartle ReactionLong-Term PotentiationRats, Long-EvansOxepinsCuesLearningNeuronal PlasticityRetention (Psychology)Acoustic StimulationAnalysis of VarianceMice, Inbred C57BLRecognition (Psychology)Rats, Sprague-DawleyAmnesia, RetrogradeGalvanic Skin ResponseReactive InhibitionPrefrontal CortexReceptors, N-Methyl-D-AspartateCycloserineAnxietyExploratory BehaviorNeural PathwaysTime FactorsMuscimolPhenoxyacetatesProtein Synthesis InhibitorsNeuropsychological TestsNootropic AgentsSynaptic TransmissionMidline Thalamic NucleiNeuronsBrainSynapsesReaction TimePiperidinesGyrus CinguliPost-Synaptic DensityMice, KnockoutGarciniaThalamusGABA AgonistsReceptors, AMPANerve NetAmnesiaInhibition (Psychology)Mice, TransgenicGABA AgentsVerbal LearningMotor ActivityReceptor, Cannabinoid, CB1Serotonin 5-HT2 Receptor AntagonistsSpatial BehaviorMetyraponeStress Disorders, Post-TraumaticSerotonin 5-HT2 Receptor AgonistsLong-Term Synaptic DepressionExcitatory Amino Acid AntagonistsCognitionMethylazoxymethanol AcetateGeneralization (Psychology)Excitatory Postsynaptic PotentialsAnxiety DisordersDentate GyrusProto-Oncogene Proteins c-fosMicroinjectionsMagnetic Resonance ImagingNerve Tissue ProteinsBicyclo CompoundsCyclic AMP Response Element-Binding ProteinAnti-Anxiety AgentsStress, PsychologicalBrain MappingCorticosteroneElectric StimulationAblation TechniquesRats, WistarCD8-Positive T-LymphocytesPropranololBrain-Derived Neurotrophic FactorDendritic Spines