--as small-fiber neuropathy is just one broad category of peripheral neuropathy; specifically, dysfunction of the small, unmyelinated nerves that control the sensations of pain and temperature and mediate many autonomic functions.

We discuss it a lot here (though many people have "mixed" types).

Also look at:

http://www.thecni.org/reviews/13-2-p07-treihaft.htm

http://neuromuscular.wustl.edu/sensory-small.html