John K. Chapin & Karen A. Moxon 
Neural Prostheses for Restoration of Sensory and Motor Function [PDF ebook] 

The prospect of interfacing the nervous system with electronic devices to stimulate or record from neural tissue suggests numerous possibilities in the field of neuroprosthetics. While the creation of a 'six million dollar man’ may still be far into the future, neural prostheses are rapidly becoming viable theories for a broad range of patients wit