Figure 9.

A comparison of the electric field thresholds for cell killing and for peripheral nerve stimulation. (A) Strength-duration curves for cell killing (solid lines) and for nerve excitation (dashed lines). Cell killing data are for trains of 300 uni- or bipolar pulses at 10 Hz (same data as in Figs. 6 and 7). Nerve stimulation data are for a single uni- or bipolar pulse as measured in isolated sciatic nerves in a conductive medium (from Fig. 2C in Ref. ⁴³). Error bars may be smaller than the central symbol. (B) Ratios of the cell killing and nerve stimulation thresholds plotted against pulse duration (for bipolar pulses, against one phase duration).