AAR and GAR decreased fast, LER increased sharply in aged group at 5 day and 10 day after training, there are significant changes comparing with that in young group.

• 在记忆功能维持上；训练后第5天和第10天；老年组大鼠AAR、GAR很快降低；LER明显升高；较青年组差异有显著性(P<0.；01)。