Linguistics
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Linguistics is the scientific study of language, and shows that languages are complex interactive systems. Linguistics shows that languages evolve over time, they mutate, change, and develop to meet new situations. The rate of change is faster when the people speaking the language experience social change. Two examples are the way new words entered the English language from others during the age of imperialism, and the way new coinages are entering common parlance to deal with modern information technologies.
Noam Chomsky famously suggested that the basic structure of language is hard-wired in human beings. One piece of evidence for this is that children of parents who speak a pidgin[1] will speak the language with a more sophisticated and consistent syntactic system than their parents, turning the pidgin into a full-fledged creole language[2]. Something similar has been observed in the children of deaf people in communities where there was no known sign language, and their parents had to invent their own simple version. There is furthermore anecdotal evidence of a community of deaf children developing a sign language from scratch of their own accord.[citation needed]
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[edit] Evolution of Language
The evolution of language in many ways parallels that of the evolution of species. For example, geographic isolation results in changes over time that lead to two quite different languages from what started as a common language. One has only to contemplate the differences between British English and American English to see how quickly geographic separation can lead to the evolution of two dialects from what was once the same language.
Studies of language on islands in the Pacific Ocean have clearly demonstrated how languages change over time in geographic isolation. A group speaking the same language travelled from the Asian mainland and settled the first island they came to. Years later, as population pressure increased, a group set off from that island to a farther one. This sequence of events was repeated over time. Studies show that the language of those who settled the first island bears the greatest resemblance to that spoken by the original migrants from the mainland. The farther an island is from the mainland, the greater the difference in the language that is spoken there. Small changes in language that occurred on the first island were carried to the second, where new changes developed over time and were carried to the second island, and so on. At some point, after the passage of time and distance, the populations living farthest apart no longer understand each other. This is remarkably similar to the process of biological evolution that occurs with species migrating from island to island and eventually becoming incapable of interbreeding.
[edit] Linguistics in mythology
The story of the construction of the Tower of Babel and God's breaking of the builders' common language into many languages as a punishment was a primitive attempt to explain why there were so many languages on the Earth at the time (as there are still now).
[edit] Sub-fields
Linguistics is a diverse subject that has several subfields, including:
- Semantics, the study of meanings of linguistic expressions, closely related to formal logic.
- Morphology, the study of the interaction of morphemes, the smallest meaningful parts that make up complex words (for example, the word smaller is made up of the morphemes small and -er).
- Syntax, the study of the rules that govern sentence structure.
- Phonology, the study of the rules that govern pronunciation and the interaction of individual speech sounds.
- Phonetics, the study of pronunciation from a purely physical and physiological point of view.
Other topics include:
- Sociolinguistics
- Dialectology
- Psycholinguistics
- Computational linguistics
- Applied linguistics, typically including the teaching of a language or the study of linguistics.
[edit] Footnotes
- ↑ A pidgin is a hybrid of two different languages, used as an ad hoc lingua franca in situations where two language communities who don't speak each other's language are put together and try to communicate. Well-known historical examples involve slaves from different places being forced to work together.
- ↑ A creole is a second-generation pidgin. The difference is that creoles, being more systematic than their pidgin ancestors, are considered full-fledged languages in their own right.

