Article History
Received: 13 November 2017
Accepted: 16 February 2018
First Online: 28 February 2018
Competing Interests
: At the time of the ECoG development, U.P.F. was employed by Blackrock Microsystems Europe. The authors declare no further conflict of interest. This project was supported by the German Federal Ministry of Education and Research KMU-Innovativ: Medizintechnik FKZ 13GW0050B and by the Deutsche Forschungsgemeinschaft (DFG) EXC 1077/1 Hearing4all. Other than providing financial support, the funding sources had no part in the study.