AIM:To study the relationship between the behavior of shuttle-box avoidance conditioning(SAC) and the development of cholinergic and adrenergic transmitter systems.

• 目的:探讨幼鼠脑内胆碱能和肾上腺素能递质系统的发育与梭箱回避学习行为(shuttle-boxavoidanceconditioning,SAC)的关系。