Is the brain involved in reflexes?yes/no?if yes then is the definition of reflex arc wrong that says there is no involvement of brain?

Is the brain involved in reflexes?yes/no?if yes then is the definition

1.	Is the brain involved in reflexes?yes/no?if yes then is the definition of reflex arc wrong that says there is no involvement of brain?
Answer» Is the brain involved in reflexes?yes/no?if yes then is the definition of reflex arc wrong that says there is no involvement of brain?