cochlear implants

For decades, scientists have debated how, exactly, humans perceive pitch, and how the ear and the brain transmit pitch information in a sound. There are two prevalent theories: place and time. The “time code” theory argues that pitch is a matter of auditory nerve fiber firing rate, while the “place code” theory focuses on where… Read more

Babies’ ability to hear themselves primarily motivates these repetitive babbles like “ba-ba” and “da-da,” new research shows. Babbling sounds with consonant-vowel repetitions such as “dada” are common among infants once they reach 8 months old. However, these sounds are not prevalent among infants who have profound hearing loss—that is, until they receive cochlear implants. The… Read more