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. Author manuscript; available in PMC: 2011 May 15.
Published in final edited form as: J Neurosci Methods. 2010 Feb 18;188(2):213–218. doi: 10.1016/j.jneumeth.2010.02.010

Figure 1.

Figure 1

Recording methods. A. Recordings were made from dorsal rootlets, with conduction velocities determined from electrical stimulation of the dorsal root and sciatic nerve (jagged arrow). In these experiments, noxious stimuli were applied to the innervated structures to locate the receptive fields (RF). Ongoing activity (OA) sources include the RF, the neuritis lesion (N), and the cell body. B. Recordings were made from filaments of the sural nerve, and confirmed as sensory units by electrical stimuli of the dorsal roots. The RFs in these experiments could not contribute to OA.