However, there are also written languages and other systems of visual symbols such as sign languages.
In Ancient Greek philosophical terminology, the same word, logos , was used as a term for both language or speech and reason, and the philosopher Thomas Hobbes used the English word "speech" so that it similarly could refer to reason, as will be discussed below.
In classical Greek philosophy such inquiry was approached by considering the nature of things, in this case human nature. Aristotle, for example, treated humans as creatures with reason and language by their intrinsic nature, related to their natural propensities to be "political," and dwell in city-state communities (Greek: poleis ) Politics 1253a 1.2.
Others have argued the opposite - that reason developed out of the need for more complex communication. Rousseau, despite writing Second Discourse before the publication of Darwin's theory of evolution, claimed that there had once been humans who had no language or reason and who developed language first--rather than reason--the development of which things he explicitly described as a mixed blessing, with many negative characteristics.
Various studies have proposed a theory of mirror neurons related to language development http://psycserver.psyc.queensu.ca/donaldm/reprints/evolutionaryOrigins18.pdf http://books.google.com/books?hl=en&lr=&id=uJTc5wlAYAUC&oi=fnd&pg=PA229&dq=Arbib+From+grasping+to+complex+imitation:+mirror+systems+on+the+path+to+language&ots=-b6u5FyQbC&sig=yupQRSaXgn43CcBKuJImHqXspwg http://www3.isrl.uiuc.edu/~junwang4/langev/localcopy/pdf/christiansen03trends.pdf.
At the core of theoretical linguistics are the study of language structure (grammar) and the study of meaning (semantics). The first of these encompasses morphology (the formation and composition of words), syntax (the rules that determine how words combine into phrases and sentences) and phonology (the study of sound systems and abstract sound units). Phonetics is a related branch of linguistics concerned with the actual properties of speech sounds (phones), non-speech sounds, and how they are produced and perceived.
The fields that are generally considered as the core of theoretical linguistics are syntax, phonology, morphology, and semantics. Applied linguistics attempts to put linguistic theories into practice through areas like translation, stylistics, literary criticism and theory, discourse analysis, speech therapy, speech pathology and foreign language teaching.
Inherent in its analytic approach are the concepts of the phoneme, the morpheme, and the root; Western linguists only recognized the phoneme some two millennia later. Tolkppiyar's work is perhaps the first to describe articulatory phonetics for a language. Its classification of the alphabet into consonants and vowels, and elements like nouns, verbs, vowels, and consonants, which he put into classes, were also breakthroughs at the time.In the Middle East, the Persian linguist Sibawayh () made a detailed and professional description of Arabic in 760 CE in his monumental work, Al-kitab fi al-nahw ( , The Book on Grammar ), bringing many linguistic aspects of language to light. In his book, he distinguished phonetics from phonology.
A common progression for natural languages is that they are considered to be first spoken, then written, and then an understanding and explanation of their grammar is attempted.
Conversely, any language that is in a continuous state of change is known as a living language or modern language.
The transition between languages within the same language family is sometimes gradual (see dialect continuum).
In either case, the ultimate difficulty may stem from the interactions between languages and populations. (See Dialect or August Schleicher for a longer discussion.) The concepts of Ausbausprache, Abstandsprache and Dachsprache are used to make finer distinctions about the degrees of difference between languages or dialects.
Several of these languages have been constructed by individuals or groups. Natural, pre-existing languages may also be used in this way - their developers merely catalogued and standardized their vocabulary and identified their grammatical rules. These languages are called naturalistic.
Two others, Occidental and Novial, were drawn from several Western languages.
It has a relatively large community roughly estimated at about 2 million speakers worldwide, with a large body of literature, songs, and is the only known constructed language to have native speakers, such as the Hungarian-born American businessman George Soros. Other auxiliary languages with a relatively large number of speakers and literature are Interlingua and Ido.
The purpose behind the development and implementation of a controlled natural language typically is to aid non-native speakers of a natural language in understanding it, or to ease computer processing of a natural language. An example of a widely used controlled natural language is Simplified English, which was originally developed for aerospace industry maintenance manuals.
Some authors restrict the term "programming language" to those languages that can express all possible algorithms; sometimes the term "computer language" is used for artificial languages that are more limited.
Linguists do not consider these to be "language", but describe them as animal communication, because the interaction between animals in such communication is fundamentally different in its underlying principles from human language. Nevertheless, some scholars have tried to disprove this mainstream premise through experiments on training chimpanzees to talk. Karl von Frisch received the Nobel Prize in 1973 for his proof of the language and dialects of the bees. Frisch, K.v. (1953). 'Sprache' oder 'Kommunikation' der Bienen? Psychologische Rundschau 4. Amsterdam.
All of these signalling codes follow combinatorial (syntactic), context-sensitive (pragmatic) and content-specific (semantic) rules. In contrast to linguists, biolinguistics and biosemiotics consider these codes to be real languages. Witzany, G. (2007). The Logos of the Bios 2. Bio-Communication. Helsinki, Umweb In several publicized instances, non-human animals have been taught to understand certain features of human language. Chimpanzees, gorillas, and orangutans have been taught hand signs based on American Sign Language. The African Grey Parrot, which possesses the ability to mimic human speech with a high degree of accuracy, is suspected of having sufficient intelligence to comprehend some of the speech it mimics. Most species of parrot, despite expert mimicry, are believed to have no linguistic comprehension at all.
Source: Wikipedia > Language
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