15 days after surgery, animals in both groups were placed in the stereotaxic frame. The craniotomy was performed on the right side of the skull. 10% BDA was injected into the right sensorimotor cortex.

• 术后第15 d,所有动物通过立体定向开颅,将10%25BDA溶液注入右侧的感觉运动区皮质内。