Deafness, Autosomal Dominant 4a, also known as deafness, autosomal dominant 4, is related to deafness, autosomal dominant 7 and deafness, autosomal dominant 21. An important gene associated with Deafness, Autosomal Dominant 4a is MYH14 (Myosin Heavy Chain 14), and among its related pathways/superpathways is Sensory processing of sound. Affiliated tissues include brain, and related phenotypes are nervous system and hearing/vestibular/ear