Rats received bilateral injection of LPS or saline into globus pallidus. Praxiology change was observed at pre-operation and days 7,14,21,28 after surgery, respectively. Mean speed and 30-minute movement distance were calculated with Ethovison software.

• 脑立体定位注射生理盐水或脂多糖入大鼠双侧苍白球,分别于术前、术后7,14,21,28d观察大鼠行为学改变,采用动物行为轨迹分析软件计算平均运动速度及30min内运动距离。