Panic DisorderPanicFearAgoraphobiaTetragastrinConditioning, ClassicalSodium LactateFreezing Reaction, CatalepticPhobic DisordersAmygdalaAnxiety DisordersConditioning (Psychology)AlprazolamExtinction, PsychologicalElectroshockAnxietyStartle ReactionGalvanic Skin ResponseClonazepamAnti-Anxiety AgentsImplosive TherapyPsychiatric Status Rating ScalesCognitive TherapyAllylglycineMemoryAnxiety, SeparationDiagnostic and Statistical Manual of Mental DisordersStress Disorders, Post-TraumaticHyperventilationAvoidance LearningPsychoanalytic TherapyAnalysis of VarianceAssociation LearningBehavior, AnimalCuesEscape ReactionAcoustic StimulationParoxetineComorbidityPersonality InventoryRepression-SensitizationAssociationDental AnxietyRespiratory RateFacial ExpressionNight TerrorsImipramineSerotonin Uptake InhibitorsSomatoform DisordersRats, Long-EvansArousalEmotionsAutomatismPeriaqueductal GrayDepressive Disorder, MajorAntidepressive Agents, TricyclicRespiration DisordersRelaxation TherapyQuestionnaires