William was on a trip with his church youth group to Green Mountain Bible Camp. He and his friend rode a toboggan down a steep hill at the campsite. On the descent, the toboggan crashed into a tree causing William, who was in the front seat, to hit his head against the tree. While William did not lose consciousness, he acquired a huge bump on his head. Upon returning home, his parents were advised to watch for any of the following signs of TBI EXCEPT ________.
◦ mood swings or irritability
◦ anorexia
◦ short-term memory problems
◦ dizziness