Fig. 3From: Evaluating hearing performance with cochlear implants within the same patient using daily randomization and imaging-based fitting - The ELEPHANT studyAn example of imaging-based tonotopic measurements. a, b A 3D reconstruction of the cochlear labyrinth with inserted electrodes using a method of image fusion using computed tomography (CT) and cone-beam CT (CBCT) (a) and magnetic resonance imaging (MRI) and CBCT (b). Images were segmented and rendered with 3D Slicer. c Overview of cochlear basal turn in one CBCT slice. d Visualization of measurements of lateral wall (green line) and electrode contact positions (red dots) with blue dots representing the closest points on the lateral wall for each electrodeBack to article page