Call Today 952-955-4338 Visit Our Website http://Tinnitus-Minnesota.com 6444 Xerxes Ave Edina, MN 55423 Hypersensitivity: What Is It? Hypersensitivity of hearing can affect people with normal hearing and those with hearing impairment. When an individual with normal hearing experiences an aversion or intolerance to loud sounds, it is known as hyperacusis. Hyperacusis is thought to originate in the central nervous system and has been attributed to a neurotransmitter disturbance.