I saw "steerable" and was hoping they had wired something up the pleasure centers of the insect's brains so they they could steer them around like little RC veh

I saw "steerable" and was hoping they had wired something up the pleasure centers of the insect's brains so they they could steer them around like little RC vehicles. (nope... they can only point the camera) I believe I saw somewhere they did that with rats. Fascinating, and yet so f'd up.