Fig. 7.

Average change in charge threshold per year for Subjects 01, 07, 08, and 11. Caption: The average change in charge threshold that each contact in a spiral nerve cuff electrode underwent each year post-implantation. There were 27 contacts in total: four from monopolar cuffs in Subject 01 and 23 from multi-contact cuffs in Subjects 01, 07, 08, and 11. The total time span was 10.4 years for Subject 01, 5.8 years for Subject 07, 5.3 years for Subject 08, and 4.6 years for Subject 11