Fig. 3From: “Long-term stability of stimulating spiral nerve cuff electrodes on human peripheral nerves”Example of a recruitment curve. Caption: Gompertz model fitted to a pulse width-modulated recruitment curve. The horizontal line denotes 10% of the maximum moment. The pulse width corresponding to the 10% maximum moment was multiplied by the pulse amplitude and used as the “charge threshold” for Subjects 07 and 08Back to article page