ABR testing for Hearing loss and New born screening . 

 ABR testing is recording auditory brainstem responses to screen as well as diagnose hearing loss in newborns and adults with hearing disorder due to disturbance in nerves which help in hearing . 

also ABR tests are used for newborns and babies to diagnose hearing loss as pure tone audiometery is difficult for them,

disorders like central auditory processing disorder can be checked through ABR. 

Newborn screening is screening the new born for any kind of hearing disorder which has a tendency to grow on the baby. using pediatric audiometer and testing of reflexes.