The injured rats were divided into Pure cerebral concussion (PCC) group and Complicated Cerebral Concussion (CCC) group according to classification standard. The number of each group including PCC, CCC and control is 10(n=10).

• 70只SD大鼠随机分为8组：大鼠单纯性脑震荡组(Pure Cerebral Concussion，PCC)伤后1、2、4、8、16、24天组共六个损伤组(n=10)、复杂性脑震荡组(Complicated Cerebral Concussion，CCC)和正常对照组(n=10)。