Overview

This feasibility clinical investigation is designed to answer the question of whether auditory brainstem responses can be safely elicited by acute electrical stimulation within the human auditory nerve.

Eligibility

Inclusion Criteria:

1. Written informed consent
2. Patients who will undergo an acoustic neuroma removal surgery and are functional deaf
3. Age ≥ 18 years
4. Women with childbearing potential: willingness to use a reliable contraceptive method (e.g. copper intrauterine devices or hormonal methods) after consulting their gyncecologists

Exclusion Criteria:

1. Disabilities in addition to hearing impairment which might interfere with the study procedure
2. Pregnant and breast feeding woman or other vulnerable population