#$%^&*AU2016213770A120160901.pdf#####ABSTRACT A cochlear implant system for fitting a simultaneous stimulation arrangement of a cochlear implant system to an implanted patient, the system comprising: means for stimulating with a fitting pattern of stimulation signals a plurality of electrode contacts in an electrode array implanted in a patient cochlea and means for determining current spread decay parameters for one or more electrode contacts based on objective measurement of electrically-evoked responses for a given electrode contact s+1 when adjacent electrode contacts s and s+2 are simultaneously stimulated.
