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Language processing


Language processing refers to the way humans use words to communicate ideas and feelings, and how such communications are processed and understood. Thus it is how the brain creates and understands language. Most recent theories consider that this process is carried out entirely by and inside the brain.

This is considered one of the most characteristic abilities of the human species - perhaps the most characteristic. However very little is known about it and there is huge scope for research on it. This part of the brain also enhances the way linguistic learners learn and think.

Most of the knowledge acquired to date on the subject has come from patients who have suffered some type of significant head injury, whether external (wounds, bullets) or internal (strokes, tumors, degenerative diseases).

Studies have shown that most of the language processing functions are carried out in the cerebral cortex. The essential function of the cortical language areas is symbolic representation. Even though language exists in different forms, all of them are based on symbolic representation.

Much of the language function is processed in several association areas, and there are two well-identified areas that are considered vital for human communication: Wernicke's area and Broca's area. These areas are usually located in the dominant hemisphere (the left hemisphere in 97% of people) and are considered the most important areas for language processing. This is why language is considered a localized and lateralized function.

However, the less-dominant hemisphere also participates in this cognitive function, and there is ongoing debate on the level of participation of the less-dominant areas.


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