Fig. 3. Effect of injury on passive membrane properties of dorsal root ganglion neurons. Mean ± SEM for resting membrane potential (RMP; A ) and input resistance ( B ) for Aα/β-type neurons ( left panels ), Aδ-type neurons ( middle panels ), and C-type neurons ( right panels ). In each case, the number of cells is shown inside the bars for neurons from the control (C), sham (Sh), spinal nerve ligation fourth lumbar ganglion (L4), and spinal nerve ligation fifth lumbar ganglion (L5) groups. P is the main effect of analysis of variance for that neuron type, and significant post hoc comparisons between groups (see methods) are indicated by lines connecting the bars for those groups.