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. Author manuscript; available in PMC: 2008 Aug 15.
Published in final edited form as: J Neurosci Methods. 2007 Apr 8;164(1):75–85. doi: 10.1016/j.jneumeth.2007.04.003

Figure 1. Validation of cell-type and CV measures using the cell attached technique.

Figure 1

Somatic APs elicited by vagal (A) and soma (B) stimulation from the same A-, Ah, and C-type NGNs, respectively.

The calculations of CVs from currents obtained from cell-attached recording (upper panel) under the voltage-clamp mode (C, D, and E) closely match those from whole-cell current-clamp recordings (lower panel). CVs are 14.76 m/s for A-type, 10.59 m/s for Ah-type, and 0.79 m/s for C-type, respectively. The 2nd peak (*) of current obtained from cell-attached recording represents the repolarization hump seen at the AP of Ah- and C-type NGNs only. Dark filled triangles represent the stimulus artifacts.