Turkyilmaz, Yarali, Yagcioglu, Cinar, Tokgoz-Yilmaz, Ozcebe, Sennaroglu, Turkyilmaz, 2013. Can Global Field Power be an Objective Tool to Assess Cortical Responses to Acoustic Change? A Study with Cochlear Implant Users The Journal of International Advanced Otology Figure 1. ACC evoked by /ui.