Sandra got in a car wreck and hit her head.  She felt fine a…

Sandra got in a car wreck and hit her head.  She felt fine and was released from the hospital after a few hours of observation.  Since then she hasn’t been sleeping well.  She is also experiencing problems with excessive thirst and hunger.  Her body temperature has also been fluctuating drastically.  Which of the following areas of the brain would most likely sustained damage?