How was phineas gage's brain damaged? a. an explosion caused an iron to go through his brain and skull b. a brawl with coworkers caused damage to his brain c. he fell from a bridge d. a hereditary defect resulted in epilepsy 2. why is phineas gage's story important to neuroscientists today? a. no other case of that type of brain damage has ever been seen b. it was the earliest recorded case of brain damage affecting personality c. doctors can compare gage's brain scans to other patients