The Human Brain


The human being is considered to be the ultimate form of life on the
earth. This is not because the human body is strong and agile. Many other
animals posses skills much superior to humans and are able to perform feats
humans can only dream of. The one thing that distinguishes humans from all
of the other organisms on this planet is the brain. The brain is the site
that controls the human body. However, unlike in animals, in man, the brain
is also the site of the mind. The mind gives humans superiority over other
creatures. It provides humans with the ability to reason, to feel and to
adapt. Because of this, man has achieved so much, and has also realized
that much more is still ...

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the
modern man with his superb ability to think.

Many sciences were born. Some of them centered around humans. They
included, among many others, psychology and neurology. While psychology
deals with the mind and human behavior, neurology is the study of the
nervous system.

The nervous system of the human being consists of several parts. The
main structures are the brain and the spinal chord. The system also
includes nerves which sense external and internal stimuli and then relate
all information to the central processing unit, i.e. the brain.

Because of man's rapid evolution in technology and medicine, humans now
know a great deal more about their own nervous system then they did even a
few years ago. This increase in knowledge is partly due to the recent
advances in nuclear medicine. Although X-ray machines have been the chief
mechanical tools for internal observations of the human body since Wilhelm
Roentgen discovered X-rays in 1901, the development of ...

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brand new addition to the family of body
scanners. It is still in experimental mode at several United States
hospitals, but it has received much positive criticism. The SPECT, which
is the short form for Single Photon Emission Computed Tomography, is a
device which resembles the PET. However, it uses radiation which is less
harmful and the tracers which are injected into the patient are non-
radioactive isotopes of Lithium, Carbon and Phosphorus. The system is also
much faster which permits quicker diagnoses.

Modern technology is not the only method by which the human nervous
system can be studied. Traditional surgical procedures, along with fiber
optic cameras and sensors ...

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PAPER DETAILS
Added: 1/14/2004 02:41:46 PM
Category: Health & Medicine
Type: Premium Paper
Words: 1804
Pages: 7

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