As a test to determine whether such histone modification functionally affected plasticity, the researchers administered a drug to adult mice that would increase chemical modification of histone.

• 为了确定组蛋白的化学修饰是否对大脑可塑性产生功能上的影响，研究人员做了一个试验，即给予成年鼠服用一种能够增加组蛋白化学修饰的药物。