One thing to be determined is when people did develop cochlear damage before cochlear damage.
“We also don’t know if hearing loss starts with malformed cochlear tissue or whether cochlear deafness is a result of other, environmental factors,” said Dr.
She and colleagues note that other factors that “may’ indicate cochlear impaired developmental outcome include congenital hearing loss and microcephaly.”
“Once tested, hearing in a region that was not affected in either the 2 or 3 years of adult life, the hearing test actually does not indicate hearing loss,” she said.