09/07/2013 08:44 am ET

Inner Ear Defect & Hyperactivity Linked In New Study


When hyperactivity is found in children with severe hearing loss, it is often assumed to stem from frustrations they have communicating or socializing. But a new study says a genetic defect in the inner ear may also play a role in causing hyperactive behavior, suggesting that at least in some cases, hyperactivity can have a neurobiological root.

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