They don't understand that communication is a two-way street. Central hearing loss is also not a standard hearing loss, but it is due to dysfunction in the central processing areas. Without hearing a child cannot imagine the surrounding world as it is an essential tool of learning, playing and developing social skills. There are numerous things that can contribute to a decrease in hearing.
Many hospital systems now provide infant hearing screenings during the hospitalization time following birth. Noticing that you are not able to hear well when there is background noise? As of writing, there is still no effective treatment for this kind of disorder other than controlling the environment. The only way to determine the exact cause of the problem is by locating synapse xt where exactly along the hearing pathway is the problem originating from.