Dr. Chet Moritz summarizes the current state-of-the-art in brain-computer interfaces and neural device research, then discusses the technique of intra-spinal stimulation and its potential rehabilitative benefits.
I decided not to have any invasive solution, due to risk of infection and possible immune response to foreign object in body. Many have improved management of bladder incontinence significantly with a sacral implant. The thought of having a "pacemaker" type device in my butt...not ready for this!