Instead of one point in the brain, we can devise devices that span the brain, that can deliver light into three-dimensional patterns -- arrays of optical fibers, each coupled to its own independent miniature light source.
不是大脑中的某一点 我们可以发明一些能够桥接大脑的设备 来把光照射成三维的模式-- 利用光纤的巧妙排列 每个光纤都有自身独立的微型光源.