We chose owl monkeys because their motor cortical areas are located on the surface of their smooth brain, a configuration that minimizes the surgical difficulty of implanting microwire arrays.

• 我们会选择夜猴来做实验，是因为这种动物的运动皮质区位于其光滑大脑的表层；这样的结构，使得植入微细金属丝阵列所需的手术困难度减至最低。