Methods:Ibotenic acid (IBA), a substance of EAA was directey injected into the right hippocampus of mice, and nimodipine was administered intraperitoneally 20min prior to IBA injection.

• 方法：将鹅膏蕈氨酸（IBA）直接注射至小鼠右侧海马，以及在注射IBA前20min腹腔注射尼莫地平。