Yeah. Like this is really that important. 
Participants with prefrontal damage were impaired in comprehending sarcasm, whereas the people in the other two groups had no such problem. Within the prefrontal group, people with damage in the right ventromedial area had the most profound problems in comprehending sarcasm. The ventromedial area is the inferior (rear) part of the prefrontal cortex, and includes the cortex on top of the orbits of both eyes and the inside part of the frontal lobes.
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Ohhh…not a good sign. I’m still trying to figure out a comment that a store clerk made to me yesterday
Perhaps my “lobes” were hijacked in my sleep.