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. Author manuscript; available in PMC: 2012 Mar 1.
Published in final edited form as: Ear Hear. 2011 Mar–Apr;32(2):238–250. doi: 10.1097/AUD.0b013e3181fb8390

Figure 1.

Figure 1

Example psychometric functions for place-pitch discrimination for two subjects (CI-17 and CI-26), for apical, middle and basal electrode pairs. Each function shows discrimination performance (d') as a function of the proportion (α) of current delivered to the more basal electrode of the pair. The dashed line in each panel indicates the performance level (d'=1.16) corresponding to place-pitch threshold.