Hemispheres Of The Brain

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The most popular case is that of Phineas Gage a
railroad worker that had severe frontal lobe damage. This happened when a rail
road spike was shot through his head by a piece of dynamite. Miraculously he
lived through the experience, but with a severe change in his personality. From
this physiologists learned that personality was largely controlled from this
point namely by removing a persons inhibitions.
For the most part the brain has been a mystery that is waiting to be
opened. The last two decades have witnessed a period of research on the human
cerebral functions comparable to the great era of discovery initiated by Broca
in 1861(Young, G,. Segalowitz, S,. Corter, C,. Trehub, S,.1983). We have leaned
more in the past 20 years about the brain and it's hemispheric asymmetry than we
had learned in combined previous history.(Kosslyn, 1993). Most of this new work
has been devoted to the study of cerebral functions in adults, but recently
there has been a growing ...

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to us that about ninety-five percent of right-handers
process speech primarily in the left hemisphere(Myers,1995). While the study
has found that left handed people are more likely to be a little more diverse or
ambidextrous in their hemispheric asymmetry. But as we had learned in the first
chapter is this a correlation or a causation? I personally feel that it is a
correlation and not a causation. The brain is a very flexible and delicate
instrument. It has the ability to adapt and change with different stimuli. The
brain in left handed people I feel is just adapting to the use of a left hand
preference and that is why it is more likely to be ambidextrous
I would now like to ...

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