A modern-day phineas gage had an accident with a nail gun. the gun discharged a nail into his frontal lobe. what process was likely affected?

The process that was likely affected due to the incident wherein his nail gun has been discharged into his frontal lobe is that his personality and behavior has changed because the part of the frontal lobe that has been affected is the left side. In which is responsible for the behavior and personality of an individual.