People with Tourettes syndrome have tremendous cognitive motor control

People with Tourettes syndrome have tremendous cognitive motor control
Excerpt:

The motor outputs of children with Tourettes syndrome are under
greater cognitive control. You might view this as their being less
likely to respond without thinking, or as being less reflexive.

This helps explain why some people may have many tics as children,
but as adults have very few. Over time, their brains have developed ways
to control these tics. Jackson points out that this may mean people
with Tourettes need mental exercises rather than brain surgery or drugs,
because their brains will naturally develop compensatory mechanisms.