Apatient's fear outbursts are found to be caused by pressure applied to the brain by a tumor. where is the tumor likely to be found? a. medial forebrain bundle b. cerebrum c. reticular formation d. amygdala

The tumor should be found in d. amygdala
Amygdala is the center of human memory, decision making, and emotion function. The emotion function concludes the fear. A defect in amygdala can cause unexplained anxiety. 
Amygdala is size is only like two pieces of almond in the temporal lobe. It is a part of the limbic system.