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Word Count: 1,767
Different areas of the brain are specialised in their functions Discuss The idea of localisation of function within the brain has only been accepted for the last century and a half In the early 19th century Gall and Spurzheim were ostracised by the scientific community for their so-called science of phrenology They suggested that there were twenty-seven separate organs in the brain governing various moral sexual and intellectual traits The importance of each to the individual was determined by feeling the bumps on their skull The science behind this may have been flawed but it first introduced the idea of functional localisation within the brain which was developed from the mid 1800s onwards by clinicians such as Jackson and Broca Most of the information available on the human brain came from subjects who had sustained major head wounds or who suffered from various mental disorders By determining the extent of brain damage and the nature of the loss of function it was possible to infer which regions of the brain were responsible for which function One of the most bizarre cases of accidental brain injury is that of Phinnaeus P Gage a railroad worker In the fall of 1848 Gage and his crew were blasting rock The procedure involved drilling a hole in the rock then stuffing the hole with alternate layers of packing material and black powder The packing material was tamped into place with a long steel rod In a moment of carelessness Gage apparently tried to tamp the powder layer and a spark ignited the powder The resulting explosion transformed the tamping rod into a four-foot projectile which entered Gages left cheek passed through the top of his head and landed several feet away To the amazement of Gages crew he sat up and began talking to them minutes later and after a short trip by ox cart ambulance was able to walk up the stairs to his hotel
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