Multiple sclerosis is associated with malfunctioning nerves in the central nervous system (CNS) caused by demyelination. That means the protective lining around your nerves has become damaged or is missing. Myelin helps nerve impulses travel along the CNS between the brain and body. Sometimes, a lack of myelin causes a misfiring of nerve impulses which might interrupt, subdue, or amplify the messages. It’s the misfirings that contribute to symptoms.
What is hyperacusis?
Hyperacusis is commonly defined as a heightened, abnormal sensitivity or intolerance to ordinary, everyday sounds. Some 8-15 percent of the general population suffers from it. “Normal” sounds for you might be perceived as outrageously LOUD and painful to me. The effects of hyperacusis can range from mild to severe. But not all hyperacusis is the same; a recent literature review suggests there are four forms:
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Why Do I Startle So Easily and Sounds Are Too Loud?
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