HEARING LOSS, BILATERAL

This study compares two common hearing screening methods—pure-tone audiometry and otoacoustic emissions—in over 13,000 preschool children. The goal is to determine which method is better at identifying hearing loss early, so children can get the help they need to avoid speech and…

This study investigates how the brain uses spatial cues—like differences in timing and loudness between ears—to focus on a specific sound in a noisy environment. Researchers will compare adults with normal hearing and those with bilateral cochlear implants as they perform listeni…

This study tests a teaching method called 'shape coding' to help deaf and hard of hearing middle schoolers improve their written English. Researchers will work with 30 students in grades 5-8 who use both spoken English and American Sign Language. The goal is to see if using visua…

This study tests whether a special monitoring tool called electrocochleography can help surgeons preserve a patient's remaining natural hearing while placing a cochlear implant. About 40 adults with severe hearing loss in both ears will be randomly assigned to receive the monitor…