Avoidance LearningMemoryMaze LearningRetention (Psychology)ElectroshockBehavior, AnimalElectrolysisScopolamine HydrobromideMemory DisordersLearning DisordersAmnesiaHippocampusConditioning, ClassicalPredatory BehaviorLearningAmygdalaMemory, Short-TermAnalysis of VarianceImmunologic MemoryRats, WistarTacrineExploratory BehaviorMotor Activity