It functions primarily in the transmission of neural signals between the brain and the rest of the body but also contains neural circuits that can independently control numerous reflexes and central pattern generators (CPG).

它的功能主要是在大脑和身体其他部分之间传递神经信号，但也包含可以独立控制许多反射和中枢模式发生器(CPG)的神经回路。