Exploratory BehaviorBehavior, AnimalMotor ActivityPsychology, ExperimentalMaze LearningIllness BehaviorGroomingHyperkinesisHabituation, PsychophysiologicSocial BehaviorAnxietyLocomotionSpatial BehaviorAnalysis of VarianceAvoidance LearningBiogenic AminesCorticosteroneRestraint, PhysicalBrainFeeding BehaviorLearningFearHippocampusMemoryStress, PhysiologicalDisease Models, AnimalEnvironmentRats, WistarTime FactorsRats, Sprague-DawleyMice, Inbred StrainsAnimals, NewbornHealth BehaviorPsychomotor PerformanceStress, PsychologicalMice, Inbred C57BLSpace PerceptionNeuronsBehaviorKiller Cells, NaturalMice, KnockoutSexual BehaviorDose-Response Relationship, DrugSexual Behavior, AnimalBody WeightChild BehaviorMice, TransgenicAdolescent BehaviorChild Behavior DisordersMaternal BehaviorBehavior TherapyStereotyped Behavior