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Where do they come from the words?

More than once in a conversation and a half of a sentence cannot find the right word. If you miss one then immediately branded as being older. But researchers at Rice University, the United States, discovered that a particular region of the brain that is involved in choosing words.

With a computed tomography image of the brain regions which are known to produce speech, light up when a person is trying to decide between two words. These regions in Broca's area and left temporal lobe.
The words are very important to humans because they are precisely those that make us "human." Humanism is a broad term, can refer to the genus Homo, as well as the behavior that we call human, that is precisely what distinguishes other primates us.

It is unclear when they began to talk, but it is believed occurred between the ancestors of Homo sapiens, perhaps the last common ancestor we had with the Neanderthals.

But a perfectly designed language as we have today is believed to make just started appearing about 100 thousand years. Depending on the language, a person has to choose between many words for a given situation. It is important to know where it takes place this decision in the brain, to help those who have problems.

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