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Why is Tourette syndrome associated with hyperactivity?

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Tourette syndrome (TS) is a neurodevelopmental disorder characterized by multiple chronic motor and vocal tics beginning in childhood. Several studies describe the association between TS and attention deficit hyperactivity disorder (ADHD). read more

Attention-Deficit/Hyperactivity Disorder (ADHD) ADHD was the most common co-occurring condition among children with TS. 1. Children with ADHD have trouble paying attention and controlling impulsive behaviors. They might act without thinking about what the result will be and, in some cases, they are also overly active. read more

Tourette's syndrome is a problem with the nervous system that causes people to make sudden movements or sounds, called tics, that they can't control. For example, someone with Tourette's might blink or clear their throat over and over again. read more

The most disabling aspect of Tourette syndrome is that in 90% of cases, it exists in conjunction with another disorder. The most frequent co-occurring condition in people with Tourette is attention deficit hyperactivity disorder, though the cause of this association is uncertain. read more