Release date: 2016-04-29
You may know that the human brain can be divided into several different regions, including the brain, cerebellum, limbic system, and brainstem, which can be divided into many small intervals due to functional differences. For example, the anterior lobe of the brain is related to logic, language, action, emotions, problem-solving, etc., while the two hemispheres are related to physiological regulation, posture, and balance. But there is currently no dedicated area responsible for storing vocabulary and concepts. Language control is actually coordinated by the entire brain, and its regulation is so precise that scientists can pinpoint areas that store any specific vocabulary.
For example, when you hear the word "vertex", a small area of ​​the mid-forebrain circuit is activated, but this is not the only area that is activated. Depending on the context, other areas, such as clothes and clothes, usually Areas, shapes, or areas related to words such as numbers, measurements, and buildings are also activated.
Yes, our brains are really smart. They use every sag and fold structure to manage vocabulary orderly, like "father", "mother", "pregnancy", "family", etc. belong to the same area, and "house Words such as "," "owner" and "collar" belong to another adjacent area.
Neurologists from Berkeley, California, have drawn a brain language atlas that details the relevant vocabulary responsible for different regions.
"Our goal is to build a giant atlas that shows the brain regions to which a particular vocabulary belongs," said Jack Gallant, a member of the research team.
The researchers recorded the brain activity of seven volunteers (5 men and 2 women) listening to stories broadcast on the radio, and then scanned their brains in real time to summarize the brain intervals for each vocabulary.
In the course of the experiment, there were 25,000 words in the whole story, and 3,000 were left after the repetition.
Although the sample size of the study is small, the results reveal a new concept: although different human brain vocabulary maps are different, the approximate functional partitions are very similar.
"For example, a small area in the left brain will specifically store the term "disaster", and the same area will respond to words such as "killing", "death", "murder", and "confession". A region on the upper end can respond to words such as "wife," "husband," "child," and "parent."
It should be noted that the volunteers participating in the study are native English speakers, so in order to get more accurate conclusions, users who need to be further included in other languages ​​need to be further included.
The results have been published in the journal Nature, and scientists have developed an interactive website where you can map the vocabulary of your brain. If you are interested, you may wish to try it.
Source: Bio Valley
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