In those cases, the loss tends to be present in one out of every four children. Unfortunately the problem seems to worsen with age. If you know what the sonavel was caused by, an audiologist can more simply determine the most effective kind of treatment. Another problem that occurs commonly is the sonavel problem. Vascular diseases have a negative affect on hearing as blood flow can be restricted to vital areas of the ear including the cochlea. There is now an absence of the outside noises which are no longer covering up the sonavel. Hearing is necessary to understand language, development of speech and also overall development and mental development.