Gwen Is a Fourth Grader Who Has Trouble Sitting Still,listening

Gwen is a fourth grader who has trouble sitting still,listening to her teacher,and playing calmly with friends.She has been taking medication for these problems and is experiencing some side effects.In particular,she has sleep problems,does not feel like eating very often,and has uncontrollable muscle twitching in her arms.
A) What type of medication is Gwen taking? What positive benefits does it have?
B) Explain the major reason why it is desirable to add behavioral therapy to biological treatment for children with this disorder.