1. Answers.Com. http://www.answers.com/topic/neural-engineering.
2. http://en.wikipedia.org/wiki/Functional_electrical_stimulation.
3. http://en.wikipedia.org/wiki/Neuroprosthetics.
4. Letters to the editor;Holsheimer;Neuromodulation,2003
5. OnLine Medical Dictionary. http://cancerweb.ncl.ac.uk/cgibin/omd?neuroaugmentation.