You are a veterinarian and a dog is brought in that has experienced a BB gun shot to the brain. The brain scan reveals damage to the amygdala. You need to explain this injury to the owners. Which of the following is true?
A. The amygdala is required for regulation of appetite. Without it, the dog may overeat.
B. The amygdala is required for memory formation. The dog will be forever forgetful.
C. The amygdala is required for the expression of affection.
D. In a normal animal, the amygdala is involved in expression of fear and rage. Without it, the dog may be docile at all times.
E. The amygdala is required to express affection, without it, the dog may be less affectionate.
Answer: D
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