Objective: Excitatory amino acid (EAA) an important neurotransmitter is released in excessive amounts from terminals of postsynaptic on traumatic brain injury.

• 目的：兴奋性氨基酸(excitatory amino acid EAA)是中枢神经系统主要的兴奋性神经递质，脑损伤时，神经元突触后大量释放的兴奋性氨基酸所产生的神经毒性损伤是导致中枢神经系统迟发性损伤的主要原因。