So instead of inserting a wire into one spot of the brain, re-engineer the brain itself so that some of its neural elements become responsive to diffusely broadcast signals such as a flash of light.
挿す代わりに、 脳自体を作ってしまおう、 ある数の神経細胞を フラッシュのような拡散する刺激を受けたときに 反応するように。