Exploratory BehaviorBehavior, AnimalMotor ActivityPsychology, ExperimentalMaze LearningIllness BehaviorGroomingHyperkinesisHabituation, PsychophysiologicSocial BehaviorAnxietyLocomotionSpatial BehaviorAvoidance LearningAnalysis of VarianceBiogenic AminesCorticosteroneRestraint, PhysicalBrainFeeding BehaviorLearningFearHippocampusMemoryStress, PhysiologicalDisease Models, AnimalRats, WistarEnvironmentRats, Sprague-DawleyMice, Inbred StrainsAnimals, NewbornHealth BehaviorPsychomotor PerformanceStress, PsychologicalMice, Inbred C57BLTime FactorsSpace PerceptionNeuronsBehaviorMice, KnockoutSexual BehaviorDose-Response Relationship, DrugSexual Behavior, AnimalBody WeightChild BehaviorAdolescent BehaviorMice, TransgenicChild Behavior DisordersMaternal BehaviorBehavior TherapyStereotyped Behavior