Objective: Hearing loss is the most common form of sensory impairment, with approximately one infant/1000 born with profound congenital deafness. A pre-lingual bilateral sensorineural hearing impairment poses a substantial problem as it negatively impacts on the subjects ability to conduct a normal social life. The aim of the study was to observe, in a group of children affected by prelingual non-sydromic autosomal recessive hearing impairment: