To most, metaphors are easily understood, but to people with damage to the angular gyrus region of their brains, metaphors are confusing. That is, they have trouble interpreting the figurative meaning of metaphors. All they can figure is the literal meaning of what they hear and read. Learn more on this Moment of Science.
Some people seem incapable of comprehending sarcasm. In fact, damage to certain parts of the brain does hinder one’s ability to comprehend sarcasm. Learn more on this Moment of Science.