Answer:
Frontal
Step-by-step explanation:
The frontal lobe of the brain is a section that controls mayor cognitive skills in humans, it is also responsible for regulating emotional expression, problem solving, memory, language, judgement and control of sexual behaviors. Basically it works as a center of our personality and communication skills.
According to the medical journal of medicine, damage to the frontal lobe, as was possible during an attempt of murder by shooting to the head of this politician, can create changes in personality, since the bullet basically damaged his personality center, and will consequentially have difficulties in interpreting his environment, and will suffer hardships in adequately assessing risk and danger.