Jonathan Ainsley Bain
Logical Positivist
https://en.wikipedia.org/wiki/Phineas_Gage#Brain_damage_and_mental_changes
In particular:
"Gage displayed significant changes in behavior after his injury, but the nature, extent, and duration of these changes have been difficult to establish."
Just as many articles claiming that there were no significant changes to his personality.
http://www.slate.com/articles/healt...rue_story_of_famous_frontal_lobe_patient.html
Macmillan now believes that Gage’s behavioral troubles were temporary and that Gage eventually recovered some of his lost mental functions
Phineas Gage is reborn every generation, but as a different man: Each generation reinterprets his symptoms and deficits anew. In the mid-1800s, for example, phrenologists explained Gage’s profanity by noting that his “organ of veneration” had been blown to bits. Nowadays scientists cite Gage in support of theories about multiple intelligences, emotional intelligence, the social nature of the self, brain plasticity, brain connectivity—every modern neuro-obsession. Even Macmillan, after studying the end of Gage’s life, has edged beyond merely debunking other people’s stories, and started presenting his own theory about Phineas Gage’s redemption.
The initial papers I studied at university, described his change in personality as being
the same as those who become famous - without this sort of damage: