Iwan Roberts

Papers

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About

Dr. Iwan Roberts is a leading researcher in cochlear implant biomechanics, with a primary focus on understanding and mitigating insertion trauma to preserve residual hearing. His work centers on how anatomical variations in the scala tympani—the fluid-filled chamber of the cochlea—directly influence the mechanical forces generated during electrode array insertion. In his highly cited 2022 study, Roberts demonstrated that differences in scala tympani geometry are a key driver of the highly variable insertion forces observed across patients, which are linked to mechanical trauma and subsequent hearing loss in up to half of implantations. By correlating specific anatomical features with force profiles, his research provides a critical framework for developing patient-specific surgical planning and electrode designs. With 18 citations in just two years, this work has rapidly become foundational for engineers and clinicians seeking to reduce intracochlear damage. Roberts’ contributions are paving the way for more atraumatic implantation techniques, directly improving hearing preservation outcomes for cochlear implant recipients.