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Perno is a district in the Naantalintie ward of the city of Turku , in Finland . It is located to the west of the city, and is mainly a high-density residential suburb . There is also a large maritime dock operated by Meyer Turku .

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87-439: The current (as of 2004) population of Perno is 2,513, and it is increasing at an annual rate of 0.28%. 17.83% of the district's population are under 15 years old, while 9.39% are over 65. The district's linguistic makeup is 90.81% Finnish , 2.39% Swedish , and 6.80% other. 60°27′22″N 22°9′40″E  /  60.45611°N 22.16111°E  / 60.45611; 22.16111 This Western Finland location article

174-421: A bonobo named Kanzi learned to express itself using a set of symbolic lexigrams . Similarly, many species of birds and whales learn their songs by imitating other members of their species. However, while some animals may acquire large numbers of words and symbols, none have been able to learn as many different signs as are generally known by an average 4 year old human, nor have any acquired anything resembling

261-746: A taxonomic tribe of the subfamily Homininae (hominines). They comprise two extant genera: Homo ( humans ) and Pan ( chimpanzees and bonobos ), but in standard usage exclude the genus Gorilla ( gorillas ), which is grouped separately within subfamily Homininae. The term Hominini was originally introduced by Camille Arambourg (1948), who combined the categories of Hominina and Simiina pursuant to Gray 's classifications (1825). Traditionally, chimpanzees , gorillas and orangutans were grouped together, excluding humans, as pongids . Since Gray's classifications, evidence accumulating from genetic phylogeny confirmed that humans, chimpanzees, and gorillas are more closely related to each other than to

348-434: A "proto-human" or "pre-human" lineage separate from Pan appears to have been a process of complex speciation - hybridization rather than a clean split, taking place over the period of anywhere between 13 Mya (close to the age of the tribe Hominini itself) and some 4 Mya. Different chromosomes appear to have split at different times, with broad-scale hybridization activity occurring between the two emerging lineages as late as

435-504: A 2017 study on Ardipithecus ramidus challenges this belief. Scholarly opinions vary as to the developments since the appearance of the genus Homo some 2.5 million years ago. Some scholars assume the development of primitive language-like systems (proto-language) as early as Homo habilis (2.3 million years ago) while others place the development of primitive symbolic communication only with Homo erectus (1.8 million years ago) or Homo heidelbergensis (0.6 million years ago), and

522-411: A clause can contain another clause (as in "[I see [the dog is running]]"). Human language is the only known natural communication system whose adaptability may be referred to as modality independent . This means that it can be used not only for communication through one channel or medium, but through several. For example, spoken language uses the auditive modality, whereas sign languages and writing use

609-493: A combination of segmental and suprasegmental elements. The segmental elements are those that follow each other in sequences, which are usually represented by distinct letters in alphabetic scripts, such as the Roman script. In free flowing speech, there are no clear boundaries between one segment and the next, nor usually are there any audible pauses between them. Segments therefore are distinguished by their distinct sounds which are

696-421: A different medium, include writing (including braille ), sign (in manually coded language ), whistling and drumming . Tertiary modes – such as semaphore , Morse code and spelling alphabets – convey the secondary mode of writing in a different medium. For some extinct languages that are maintained for ritual or liturgical purposes, writing may be the primary mode, with speech secondary. When described as

783-606: A finite, usually very limited, number of possible ideas that can be expressed. In contrast, human language is open-ended and productive , meaning that it allows humans to produce a vast range of utterances from a finite set of elements, and to create new words and sentences. This is possible because human language is based on a dual code, in which a finite number of elements which are meaningless in themselves (e.g. sounds, letters or gestures) can be combined to form an infinite number of larger units of meaning (words and sentences). However, one study has demonstrated that an Australian bird,

870-685: A natural-sounding rhythm and a relatively normal sentence structure . The second area is Broca's area , in the posterior inferior frontal gyrus of the dominant hemisphere. People with a lesion to this area develop expressive aphasia , meaning that they know what they want to say, they just cannot get it out. They are typically able to understand what is being said to them, but unable to speak fluently. Other symptoms that may be present in expressive aphasia include problems with word repetition . The condition affects both spoken and written language. Those with this aphasia also exhibit ungrammatical speech and show inability to use syntactic information to determine

957-416: A result of their different articulations, and can be either vowels or consonants. Suprasegmental phenomena encompass such elements as stress , phonation type, voice timbre , and prosody or intonation , all of which may have effects across multiple segments. Consonants and vowel segments combine to form syllables , which in turn combine to form utterances; these can be distinguished phonetically as

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1044-411: A rich set of case suffixes that provide details about the instrument used to perform an action. Others lack such grammatical precision in the oral mode, but supplement it with gesture to convey that information in the sign mode. In Iwaidja , for example, 'he went out for fish using a torch' is spoken as simply "he-hunted fish torch", but the word for 'torch' is accompanied by a gesture indicating that it

1131-641: A science since the first grammatical descriptions of particular languages in India more than 2000 years ago, after the development of the Brahmi script . Modern linguistics is a science that concerns itself with all aspects of language, examining it from all of the theoretical viewpoints described above. The academic study of language is conducted within many different disciplinary areas and from different theoretical angles, all of which inform modern approaches to linguistics. For example, descriptive linguistics examines

1218-536: A sign is encoded and transmitted by a sender through a channel to a receiver who decodes it. Some of the properties that define human language as opposed to other communication systems are: the arbitrariness of the linguistic sign, meaning that there is no predictable connection between a linguistic sign and its meaning; the duality of the linguistic system, meaning that linguistic structures are built by combining elements into larger structures that can be seen as layered, e.g. how sounds build words and words build phrases;

1305-426: A specific instance of a language system, and parole for the concrete use of speech in a particular language. When speaking of language as a general concept, definitions can be used which stress different aspects of the phenomenon. These definitions also entail different approaches and understandings of language, and they also inform different and often incompatible schools of linguistic theory . Debates about

1392-521: A system of symbolic communication , language is traditionally seen as consisting of three parts: signs , meanings , and a code connecting signs with their meanings. The study of the process of semiosis , how signs and meanings are combined, used, and interpreted is called semiotics . Signs can be composed of sounds, gestures, letters, or symbols, depending on whether the language is spoken, signed, or written, and they can be combined into complex signs, such as words and phrases. When used in communication,

1479-650: A system that is largely cultural, learned through social interaction. Continuity-based theories are held by a majority of scholars, but they vary in how they envision this development. Those who see language as being mostly innate, such as psychologist Steven Pinker , hold the precedents to be animal cognition , whereas those who see language as a socially learned tool of communication, such as psychologist Michael Tomasello , see it as having developed from animal communication in primates: either gestural or vocal communication to assist in cooperation. Other continuity-based models see language as having developed from music ,

1566-488: A theory is Noam Chomsky , the originator of the generative theory of grammar , who has defined language as the construction of sentences that can be generated using transformational grammars. Chomsky considers these rules to be an innate feature of the human mind and to constitute the rudiments of what language is. By way of contrast, such transformational grammars are also commonly used in formal logic , in formal linguistics , and in applied computational linguistics . In

1653-543: A view already espoused by Rousseau , Herder , Humboldt , and Charles Darwin . A prominent proponent of this view is archaeologist Steven Mithen . Stephen Anderson states that the age of spoken languages is estimated at 60,000 to 100,000 years and that: Researchers on the evolutionary origin of language generally find it plausible to suggest that language was invented only once, and that all modern spoken languages are thus in some way related, even if that relation can no longer be recovered ... because of limitations on

1740-586: Is Sivapithecus , consisting of several species from 12.5 million to 8.5 million years ago. It differs from orangutans in dentition and postcranial morphology. In the following cladogram, the approximate time the clades radiated newer clades is indicated in millions of years ago (Mya). Hylobatidae (gibbons) Ponginae (orangutans) Gorillini (gorillas) Panina (chimpanzees) Ardipithecus (†) Praeanthropus (†) Australopithecus/ Paranthropus robustus (†2) Australopithecus garhi (†2.5) Homo (humans) Both Sahelanthropus and Orrorin existed during

1827-415: Is modality -independent, but written or signed language is the way to inscribe or encode the natural human speech or gestures. Depending on philosophical perspectives regarding the definition of language and meaning, when used as a general concept, "language" may refer to the cognitive ability to learn and use systems of complex communication, or to describe the set of rules that makes up these systems, or

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1914-482: Is a stub . You can help Misplaced Pages by expanding it . Language Language is a structured system of communication that consists of grammar and vocabulary . It is the primary means by which humans convey meaning, both in spoken and signed forms, and may also be conveyed through writing . Human language is characterized by its cultural and historical diversity, with significant variations observed between cultures and across time. Human languages possess

2001-472: Is a longitudinal wave propagated through the air at a frequency capable of vibrating the ear drum . This ability depends on the physiology of the human speech organs. These organs consist of the lungs, the voice box ( larynx ), and the upper vocal tract – the throat, the mouth, and the nose. By controlling the different parts of the speech apparatus, the airstream can be manipulated to produce different speech sounds. The sound of speech can be analyzed into

2088-588: Is called linguistics . Critical examinations of languages, such as philosophy of language, the relationships between language and thought , how words represent experience, etc., have been debated at least since Gorgias and Plato in ancient Greek civilization . Thinkers such as Jean-Jacques Rousseau (1712–1778) have argued that language originated from emotions, while others like Immanuel Kant (1724–1804) have argued that languages originated from rational and logical thought. Twentieth century philosophers such as Ludwig Wittgenstein (1889–1951) argued that philosophy

2175-563: Is called a language isolate . There are also many unclassified languages whose relationships have not been established, and spurious languages may have not existed at all. Academic consensus holds that between 50% and 90% of languages spoken at the beginning of the 21st century will probably have become extinct by the year 2100. The English word language derives ultimately from Proto-Indo-European * dn̥ǵʰwéh₂s "tongue, speech, language" through Latin lingua , "language; tongue", and Old French language . The word

2262-534: Is common for oral language to be accompanied by gesture, and for sign language to be accompanied by mouthing . In addition, some language communities use both modes to convey lexical or grammatical meaning, each mode complementing the other. Such bimodal use of language is especially common in genres such as story-telling (with Plains Indian Sign Language and Australian Aboriginal sign languages used alongside oral language, for example), but also occurs in mundane conversation. For instance, many Australian languages have

2349-506: Is included in the subtribe Hominina (see below ). The alternative convention uses "hominin" to exclude members of Panina: for Homo; or for human and australopithecine species. This alternative convention is referenced in e.g. Coyne (2009) and in Dunbar (2014). Potts (2010) in addition uses the name Hominini in a different sense, as excluding Pan , and uses "hominins" for this, while a separate tribe (rather than subtribe) for chimpanzees

2436-463: Is introduced, under the name Panini. In this recent convention, contra Arambourg, the term "hominin" is applied to Homo , Australopithecus , Ardipithecus , and others that arose after the split from the line that led to chimpanzees (see cladogram below); that is, they distinguish fossil members on the human side of the split, as "hominins", from those on the chimpanzee side, as "not hominins" (or "non-hominin hominids "). This cladogram shows

2523-503: Is obstructed, commonly at the lips, teeth, alveolar ridge , palate , velum , uvula , or glottis . Each place of articulation produces a different set of consonant sounds, which are further distinguished by manner of articulation , or the kind of friction, whether full closure, in which case the consonant is called occlusive or stop , or different degrees of aperture creating fricatives and approximants . Consonants can also be either voiced or unvoiced , depending on whether

2610-407: Is quite limited, though it has advanced considerably with the use of modern imaging techniques. The discipline of linguistics dedicated to studying the neurological aspects of language is called neurolinguistics . Early work in neurolinguistics involved the study of language in people with brain lesions, to see how lesions in specific areas affect language and speech. In this way, neuroscientists in

2697-454: Is really the study of language itself. Major figures in contemporary linguistics of these times include Ferdinand de Saussure and Noam Chomsky . Language is thought to have gradually diverged from earlier primate communication systems when early hominins acquired the ability to form a theory of mind and shared intentionality . This development is sometimes thought to have coincided with an increase in brain volume, and many linguists see

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2784-415: Is sometimes used to refer to codes , ciphers , and other kinds of artificially constructed communication systems such as formally defined computer languages used for computer programming . Unlike conventional human languages, a formal language in this sense is a system of signs for encoding and decoding information . This article specifically concerns the properties of natural human language as it

2871-435: Is specific to the ability to use language, not to the physiology used for speech production. With technological advances in the late 20th century, neurolinguists have also incorporated non-invasive techniques such as functional magnetic resonance imaging (fMRI) and electrophysiology to study language processing in individuals without impairments. Spoken language relies on human physical ability to produce sound , which

2958-465: Is studied in the discipline of linguistics . As an object of linguistic study, "language" has two primary meanings: an abstract concept, and a specific linguistic system, e.g. " French ". The Swiss linguist Ferdinand de Saussure , who defined the modern discipline of linguistics, first explicitly formulated the distinction using the French word langage for language as a concept, langue as

3045-437: Is supported by the fact that all cognitively normal children raised in an environment where language is accessible will acquire language without formal instruction. Languages may even develop spontaneously in environments where people live or grow up together without a common language; for example, creole languages and spontaneously developed sign languages such as Nicaraguan Sign Language . This view, which can be traced back to

3132-469: Is that language is such a unique human trait that it cannot be compared to anything found among non-humans and that it must therefore have appeared suddenly in the transition from pre-hominids to early man. These theories can be defined as discontinuity-based. Similarly, theories based on the generative view of language pioneered by Noam Chomsky see language mostly as an innate faculty that is largely genetically encoded, whereas functionalist theories see it as

3219-404: Is the default modality for language in all cultures. The production of spoken language depends on sophisticated capacities for controlling the lips, tongue and other components of the vocal apparatus, the ability to acoustically decode speech sounds, and the neurological apparatus required for acquiring and producing language. The study of the genetic bases for human language is at an early stage:

3306-488: The Enlightenment and its debates about human origins, it became fashionable to speculate about the origin of language. Thinkers such as Rousseau and Johann Gottfried Herder argued that language had originated in the instinctive expression of emotions, and that it was originally closer to music and poetry than to the logical expression of rational thought. Rationalist philosophers such as Kant and René Descartes held

3393-494: The chestnut-crowned babbler , is capable of using the same acoustic elements in different arrangements to create two functionally distinct vocalizations. Additionally, pied babblers have demonstrated the ability to generate two functionally distinct vocalisations composed of the same sound type, which can only be distinguished by the number of repeated elements. Several species of animals have proved to be able to acquire forms of communication through social learning: for instance

3480-507: The clade of superfamily Hominoidea and its descendant clades, focused on the division of Hominini (omitting detail on clades not ancestral to Hominini). The family Hominidae ("hominids") comprises the tribes Ponginae (including orangutans ), Gorillini (including gorillas ) and Hominini, the latter two forming the subfamily of Homininae. Hominini is divided into Panina ( chimpanzees ) and Australopithecina (australopithecines). The Hominina ( humans ) are usually held to have emerged within

3567-425: The comparative method . The formal study of language is often considered to have started in India with Pāṇini , the 5th century BC grammarian who formulated 3,959 rules of Sanskrit morphology . However, Sumerian scribes already studied the differences between Sumerian and Akkadian grammar around 1900 BC. Subsequent grammatical traditions developed in all of the ancient cultures that adopted writing. In

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3654-423: The mental faculty that allows humans to undertake linguistic behaviour: to learn languages and to produce and understand utterances. This definition stresses the universality of language to all humans, and it emphasizes the biological basis for the human capacity for language as a unique development of the human brain . Proponents of the view that the drive to language acquisition is innate in humans argue that this

3741-503: The 17th century AD, the French Port-Royal Grammarians developed the idea that the grammars of all languages were a reflection of the universal basics of thought, and therefore that grammar was universal. In the 18th century, the first use of the comparative method by British philologist and expert on ancient India William Jones sparked the rise of comparative linguistics . The scientific study of language

3828-418: The 19th century discovered that two areas in the brain are crucially implicated in language processing. The first area is Wernicke's area , which is in the posterior section of the superior temporal gyrus in the dominant cerebral hemisphere. People with a lesion in this area of the brain develop receptive aphasia , a condition in which there is a major impairment of language comprehension, while speech retains

3915-692: The Australopithecina (which would roughly correspond to the alternative definition of Hominini according to the alternative definition which excludes Pan ). Genetic analysis combined with fossil evidence indicates that hominoids diverged from the Old World monkeys about 25 million years ago (Mya), near the Oligocene-Miocene boundary. The most recent common ancestors (MRCA) of the subfamilies Homininae and Ponginae lived about 15 million years ago. The best-known fossil genus of Ponginae

4002-408: The X chromosome in the ancestral populations prior to the chimpanzee–human last common ancestor (CHLCA). Most DNA studies find that humans and Pan are 99% identical, but one study found only 94% commonality, with some of the difference occurring in non-coding DNA . It is most likely that the australopithecines, dating from 4.4 to 3 Mya, evolved into the earliest members of genus Homo . In

4089-435: The adjectival term "hominin" (or nominalized "hominins") refers to the tribe Hominini, whereas the members of the subtribe Hominina (and thus all archaic human species) are referred to as "homininan" ("homininans"). This follows the proposal by Mann and Weiss (1996), which presents tribe Hominini as including both Pan and Homo , placed in separate subtribes. The genus Pan is referred to subtribe Panina , and genus Homo

4176-447: The brain, implanting a language organ in an otherwise primate brain." Though cautioning against taking this story literally, Chomsky insists that "it may be closer to reality than many other fairy tales that are told about evolutionary processes, including language." In March 2024, researchers reported that the beginnings of human language began about 1.6 million years ago. The study of language, linguistics , has been developing into

4263-608: The communication of bees that can communicate the location of sources of nectar that are out of sight), the degree to which it is used in human language is also considered unique. Theories about the origin of language differ in regard to their basic assumptions about what language is. Some theories are based on the idea that language is so complex that one cannot imagine it simply appearing from nothing in its final form, but that it must have evolved from earlier pre-linguistic systems among our pre-human ancestors. These theories can be called continuity-based theories. The opposite viewpoint

4350-410: The complex grammar of human language. Human languages differ from animal communication systems in that they employ grammatical and semantic categories , such as noun and verb, present and past, which may be used to express exceedingly complex meanings. It is distinguished by the property of recursivity : for example, a noun phrase can contain another noun phrase (as in "[[the chimpanzee]'s lips]") or

4437-461: The degree of lip aperture and the placement of the tongue within the oral cavity. Vowels are called close when the lips are relatively closed, as in the pronunciation of the vowel [i] (English "ee"), or open when the lips are relatively open, as in the vowel [a] (English "ah"). If the tongue is located towards the back of the mouth, the quality changes, creating vowels such as [u] (English "oo"). The quality also changes depending on whether

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4524-541: The development of language proper with anatomically modern Homo sapiens with the Upper Paleolithic revolution less than 100,000 years ago. Chomsky is one prominent proponent of a discontinuity-based theory of human language origins. He suggests that for scholars interested in the nature of language, "talk about the evolution of the language capacity is beside the point." Chomsky proposes that perhaps "some random mutation took place [...] and it reorganized

4611-522: The discreteness of the elements of language, meaning that the elements out of which linguistic signs are constructed are discrete units, e.g. sounds and words, that can be distinguished from each other and rearranged in different patterns; and the productivity of the linguistic system, meaning that the finite number of linguistic elements can be combined into a theoretically infinite number of combinations. Hominin The Hominini (hominins) form

4698-495: The distinctions between syntagm and paradigm , and the Langue-parole distinction , distinguishing language as an abstract system ( langue ), from language as a concrete manifestation of this system ( parole ). In the 1960s, Noam Chomsky formulated the generative theory of language . According to this theory, the most basic form of language is a set of syntactic rules that is universal for all humans and which underlies

4785-465: The estimated duration of the ancestral chimpanzee–human speciation events, within the range of eight to four million years ago (Mya). Very few fossil specimens have been found that can be considered directly ancestral to genus Pan . News of the first fossil chimpanzee, found in Kenya, was published in 2005. However, it is dated to very recent times—between 545 and 284 thousand years ago. The divergence of

4872-413: The fact that humans use it to express themselves and to manipulate objects in their environment. Functional theories of grammar explain grammatical structures by their communicative functions, and understand the grammatical structures of language to be the result of an adaptive process by which grammar was "tailored" to serve the communicative needs of its users. This view of language is associated with

4959-422: The formal theories of the generative school, functional theories of language propose that since language is fundamentally a tool, its structures are best analyzed and understood by reference to their functions. Formal theories of grammar seek to define the different elements of language and describe the way they relate to each other as systems of formal rules or operations, while functional theories seek to define

5046-408: The functions performed by language and then relate them to the linguistic elements that carry them out. The framework of cognitive linguistics interprets language in terms of the concepts (which are sometimes universal, and sometimes specific to a particular language) which underlie its forms. Cognitive linguistics is primarily concerned with how the mind creates meaning through language. Speaking

5133-413: The grammar of single languages, theoretical linguistics develops theories on how best to conceptualize and define the nature of language based on data from the various extant human languages, sociolinguistics studies how languages are used for social purposes informing in turn the study of the social functions of language and grammatical description, neurolinguistics studies how language is processed in

5220-420: The grammars of all human languages. This set of rules is called Universal Grammar ; for Chomsky, describing it is the primary objective of the discipline of linguistics. Thus, he considered that the grammars of individual languages are only of importance to linguistics insofar as they allow us to deduce the universal underlying rules from which the observable linguistic variability is generated. In opposition to

5307-420: The history of their evolution can be reconstructed by comparing modern languages to determine which traits their ancestral languages must have had in order for the later developmental stages to occur. A group of languages that descend from a common ancestor is known as a language family ; in contrast, a language that has been demonstrated not to have any living or non-living relationship with another language

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5394-445: The human brain and allows the experimental testing of theories, computational linguistics builds on theoretical and descriptive linguistics to construct computational models of language often aimed at processing natural language or at testing linguistic hypotheses, and historical linguistics relies on grammatical and lexical descriptions of languages to trace their individual histories and reconstruct trees of language families by using

5481-408: The lips are rounded as opposed to unrounded, creating distinctions such as that between [i] (unrounded front vowel such as English "ee") and [y] ( rounded front vowel such as German "ü"). Consonants are those sounds that have audible friction or closure at some point within the upper vocal tract. Consonant sounds vary by place of articulation, i.e. the place in the vocal tract where the airflow

5568-403: The meaning of sentences. Both expressive and receptive aphasia also affect the use of sign language, in analogous ways to how they affect speech, with expressive aphasia causing signers to sign slowly and with incorrect grammar, whereas a signer with receptive aphasia will sign fluently, but make little sense to others and have difficulties comprehending others' signs. This shows that the impairment

5655-595: The methods available for reconstruction. Because language emerged in the early prehistory of man, before the existence of any written records, its early development has left no historical traces, and it is believed that no comparable processes can be observed today. Theories that stress continuity often look at animals to see if, for example, primates display any traits that can be seen as analogous to what pre-human language must have been like. Early human fossils can be inspected for traces of physical adaptation to language use or pre-linguistic forms of symbolic behaviour. Among

5742-572: The mouth such as the l-sounds (called laterals , because the air flows along both sides of the tongue), and the r-sounds (called rhotics ). By using these speech organs, humans can produce hundreds of distinct sounds: some appear very often in the world's languages, whereas others are much more common in certain language families, language areas, or even specific to a single language. Human languages display considerable plasticity in their deployment of two fundamental modes: oral (speech and mouthing ) and manual (sign and gesture). For example, it

5829-488: The nature and origin of language go back to the ancient world. Greek philosophers such as Gorgias and Plato debated the relation between words, concepts and reality. Gorgias argued that language could represent neither the objective experience nor human experience, and that communication and truth were therefore impossible. Plato maintained that communication is possible because language represents ideas and concepts that exist independently of, and prior to, language. During

5916-757: The only extant species in the Australopithecine branch (subtribe), which also contains many extinct close relatives of humans. Concerning membership, when Hominini is taken to exclude Pan , Panini ("panins") may refer to the tribe containing Pan as its only genus. Or perhaps place Pan with other dryopithecine genera, making the whole tribe or subtribe of Panini or Panina together. Minority dissenting nomenclatures include Gorilla in Hominini and Pan in Homo (Goodman et al. 1998), or both Pan and Gorilla in Homo (Watson et al. 2001). By convention,

6003-414: The only gene that has definitely been implicated in language production is FOXP2 , which may cause a kind of congenital language disorder if affected by mutations . The brain is the coordinating center of all linguistic activity; it controls both the production of linguistic cognition and of meaning and the mechanics of speech production. Nonetheless, our knowledge of the neurological bases for language

6090-452: The opposite view. Around the turn of the 20th century, thinkers began to wonder about the role of language in shaping our experiences of the world – asking whether language simply reflects the objective structure of the world, or whether it creates concepts that in turn impose structure on our experience of the objective world. This led to the question of whether philosophical problems are really firstly linguistic problems. The resurgence of

6177-400: The orangutan. The orangutans were reassigned to the family Hominidae ( great apes ), which already included humans; and the gorillas were grouped as a separate tribe (Gorillini) of the subfamily Homininae. Still, details of this reassignment remain contested, and of publishing since (on tribe Hominini), not every source excludes gorillas and not every source includes chimpanzees. Humans are

6264-421: The period 6.3 to 5.4 Mya, according to Patterson et al. (2006), This research group noted that one hypothetical late hybridization period was based in particular on the similarity of X chromosomes in the proto-humans and stem chimpanzees, suggesting that the final divergence was even as recent as 4 Mya. Wakeley (2008) rejected these hypotheses; he suggested alternative explanations, including selection pressure on

6351-735: The philosophers Kant and Descartes, understands language to be largely innate , for example, in Chomsky 's theory of universal grammar , or American philosopher Jerry Fodor 's extreme innatist theory. These kinds of definitions are often applied in studies of language within a cognitive science framework and in neurolinguistics . Another definition sees language as a formal system of signs governed by grammatical rules of combination to communicate meaning. This definition stresses that human languages can be described as closed structural systems consisting of rules that relate particular signs to particular meanings. This structuralist view of language

6438-426: The philosophy of language, the view of linguistic meaning as residing in the logical relations between propositions and reality was developed by philosophers such as Alfred Tarski , Bertrand Russell , and other formal logicians . Yet another definition sees language as a system of communication that enables humans to exchange verbal or symbolic utterances. This definition stresses the social functions of language and

6525-540: The philosophy of language, the view of pragmatics as being central to language and meaning is often associated with Wittgenstein's later works and with ordinary language philosophers such as J. L. Austin , Paul Grice , John Searle , and W.O. Quine . A number of features, many of which were described by Charles Hockett and called design features set human language apart from communication used by non-human animals . Communication systems used by other animals such as bees or apes are closed systems that consist of

6612-760: The properties of productivity and displacement , which enable the creation of an infinite number of sentences, and the ability to refer to objects, events, and ideas that are not immediately present in the discourse. The use of human language relies on social convention and is acquired through learning. Estimates of the number of human languages in the world vary between 5,000 and 7,000. Precise estimates depend on an arbitrary distinction (dichotomy) established between languages and dialects . Natural languages are spoken , signed, or both; however, any language can be encoded into secondary media using auditory, visual, or tactile stimuli  – for example, writing, whistling, signing, or braille . In other words, human language

6699-444: The set of utterances that can be produced from those rules. All languages rely on the process of semiosis to relate signs to particular meanings . Oral, manual and tactile languages contain a phonological system that governs how symbols are used to form sequences known as words or morphemes , and a syntactic system that governs how words and morphemes are combined to form phrases and utterances. The scientific study of language

6786-413: The signs in human fossils that may suggest linguistic abilities are: the size of the brain relative to body mass, the presence of a larynx capable of advanced sound production and the nature of tools and other manufactured artifacts. It was mostly undisputed that pre-human australopithecines did not have communication systems significantly different from those found in great apes in general. However,

6873-442: The space between two inhalations. Acoustically , these different segments are characterized by different formant structures, that are visible in a spectrogram of the recorded sound wave. Formants are the amplitude peaks in the frequency spectrum of a specific sound. Vowels are those sounds that have no audible friction caused by the narrowing or obstruction of some part of the upper vocal tract. They vary in quality according to

6960-710: The structures of language as having evolved to serve specific communicative and social functions. Language is processed in many different locations in the human brain , but especially in Broca's and Wernicke's areas . Humans acquire language through social interaction in early childhood, and children generally speak fluently by approximately three years old. Language and culture are codependent. Therefore, in addition to its strictly communicative uses, language has social uses such as signifying group identity , social stratification , as well as use for social grooming and entertainment . Languages evolve and diversify over time, and

7047-550: The study of language in pragmatic , cognitive , and interactive frameworks, as well as in sociolinguistics and linguistic anthropology . Functionalist theories tend to study grammar as dynamic phenomena, as structures that are always in the process of changing as they are employed by their speakers. This view places importance on the study of linguistic typology , or the classification of languages according to structural features, as processes of grammaticalization tend to follow trajectories that are partly dependent on typology. In

7134-452: The view that language plays a significant role in the creation and circulation of concepts, and that the study of philosophy is essentially the study of language, is associated with what has been called the linguistic turn and philosophers such as Wittgenstein in 20th-century philosophy. These debates about language in relation to meaning and reference, cognition and consciousness remain active today. One definition sees language primarily as

7221-449: The visual modality, and braille writing uses the tactile modality. Human language is unusual in being able to refer to abstract concepts and to imagined or hypothetical events as well as events that took place in the past or may happen in the future. This ability to refer to events that are not at the same time or place as the speech event is called displacement , and while some animal communication systems can use displacement (such as

7308-418: The vocal cords are set in vibration by airflow during the production of the sound. Voicing is what separates English [s] in bus ( unvoiced sibilant ) from [z] in buzz ( voiced sibilant ). Some speech sounds, both vowels and consonants, involve release of air flow through the nasal cavity, and these are called nasals or nasalized sounds. Other sounds are defined by the way the tongue moves within

7395-561: Was broadened from Indo-European to language in general by Wilhelm von Humboldt . Early in the 20th century, Ferdinand de Saussure introduced the idea of language as a static system of interconnected units, defined through the oppositions between them. By introducing a distinction between diachronic and synchronic analyses of language, he laid the foundation of the modern discipline of linguistics. Saussure also introduced several basic dimensions of linguistic analysis that are still fundamental in many contemporary linguistic theories, such as

7482-433: Was first introduced by Ferdinand de Saussure , and his structuralism remains foundational for many approaches to language. Some proponents of Saussure's view of language have advocated a formal approach which studies language structure by identifying its basic elements and then by presenting a formal account of the rules according to which the elements combine in order to form words and sentences. The main proponent of such

7569-403: Was held. In another example, the ritual language Damin had a heavily reduced oral vocabulary of only a few hundred words, each of which was very general in meaning, but which were supplemented by gesture for greater precision (e.g., the single word for fish, l*i , was accompanied by a gesture to indicate the kind of fish). Secondary modes of language, by which a fundamental mode is conveyed in

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