Gage was injured in a mining accident and suffered severe brain damage. in time, his brain healed and he was back to working in the mines. the only change was in his personality. from being a highly aggressive and temperamental individual, he became mild-mannered and calm, almost to the extent of being placid. in this scenario, the region of the cerebral cortex that was most likely damaged in the accident was the lobe.

Gae has most likely damaged his frontal lobe  in the mining accident.

Explanation:

The frontal lobe is the biggest lobe present in the human brain. The frontal lobe is contains the dopamine neurons. It is often called the control panel of our personality.

The frontal lobe is responsible for controlling many core skills of the brain such as reasoning, learning, emotional expressions and memory.

Therefore, a damage to the frontal lobe of the brain can cause a change in the personality of an individual.

Answer

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