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Phineas Gage Presentation

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Natasya Cahyadi

on 16 October 2012

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Transcript of Phineas Gage Presentation

The Aims, Processes, and Findings Phineas Gage Case Study 1848 Phineas Gage Case Study The study of the functions of different parts of the brain based on a case of a severe brain damage survivor The cerebral cortex damaged by the iron bar had an effect on Gage's psychological changes
Nearly 11% of Gage's white matter was damaged, along with 4% of the cortex
The damage is mostly to the left hemisphere of the cortex Findings The story of Phineas Gage has entered popular culture, such as plays, films, TV programs, poems, and skits
The psychological impact of Gage's injury was known much later, 8 years after Gage's death
Despite Harlow being Gage's personal physician, his report was less accepted compared to that of Professor Henry J. Bigelow, who emphasized Gage;s complete mental recovery Fun Facts - Natasya Cahyadi - The Incident Process and Method Aim Also known as the American Crowbar Case
Explosion occurred due to sparks struck by iron bar and rock
The explosion caused the iron bar to went through Gage's head, before landing 25m away, smearing in 'blood and brain' September 13, 1848 '...the powder exploded, carrying an instrument through his head an inch and a fourth in [diameter], and three feet and [seven] inches in length, which he was using at the time. The iron entered on the side of his face, shattering the upper jaw, passing back of the left eye, and out at the top of the head' (Boston Post) Gage's doctor, Dr, John Harlow, observed Gage behavior change throughout years.
Researchers tried to track the course of the tamping iron in Gage's head and determined its significance. 3 studies were done, but resulted in different answers
In newer studies (1982-now), coronals and sagital CT-scans are used to reconstruct a 3-dimensional representation of Gage's brain. '...the balance between his (Gage's) intellectual faculties and animal propensities seems to have been destroyed' (Harlow) To determine the reasons between Gage's survival and the importance of the damaged part of the brain in the change of Gage's psychological condition
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