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Part One: Introduction to LinguisticsСтр 1 из 5Следующая ⇒
Part One: Introduction to Linguistics Every human knows at least one language, spoken or signed. Linguistics is the science of language, including the sounds, words, and grammar rules. Words in languages are finite, but sentences are not. It is this creative aspect of human language that sets it apart from animal languages, which are essentially responses to stimuli. The rules of a language, also called grammar, are learned as one acquires a language. These rules include phonology, the sound system, morphology, the structure of words, syntax, the combination of words into sentences, semantics, the ways in which sounds and meanings are related, and the lexicon, or mental dictionary of words. When you know a language, you know words in that language, i.e. sound units that are related to specific meanings. However, the sounds and meanings of words are arbitrary. For the most part, there is no relationship between the way a word is pronounced (or signed) and its meaning. Knowing a language encompasses this entire system, but this knowledge (called competence) is different from behavior (called performance.) You may know a language, but you may also choose to not speak it. Although you are not speaking the language, you still have the knowledge of it. However, if you don't know a language, you cannot speak it at all. There are two types of grammars: descriptive and prescriptive. Descriptive grammars represent the unconscious knowledge of a language. English speakers, for example, know that "me likes apples" is incorrect and "I like apples" is correct, although the speaker may not be able to explain why. Descriptive grammars do not teach the rules of a language, but rather describe rules that are already known. In contrast, prescriptive grammars dictate what a speaker's grammar should be and they include teaching grammars, which are written to help teach a foreign language. There are about 5,000 languages in the world right now (give or take a few thousand), and linguists have discovered that these languages are more alike than different from each other. There are universal concepts and properties that are shared by all languages, and these principles are contained in the Universal Grammar, which forms the basis of all possible human languages. English Morphemes A. Free 1. Open Class 2. Closed Class B. Bound 1. Affix a. Derivational b. Inflectional 2. Root There are six ways to form new words. Compounds are a combination of words, acronyms are derived from the initials of words, back-formations are created from removing what is mistakenly considered to be an affix, abbreviations or clippings are shortening longer words, eponyms are created from proper nouns (names), and blending is combining parts of words into one. Compound: doghouse Grammar is learned unconsciously at a young age. Ask any five year old, and he will tell you that "I eat" and "you eat," but his "dog eats." But a human's syntactical knowledge goes farther than what is grammatical and what is not. It also accounts for ambiguity, in which a sentence could have two meanings, and enables us to determine grammatical relationships such as subject and direct object. Although we may not consciously be able to define the terms, we unconsciously know how to use them in sentences. Syntax, of course, depends on lexical categories (parts of speech.) You probably learned that there are 8 main parts of speech in grammar school. Linguistics takes a different approach to these categories and separates words into morphological and syntactic groups. Linguistics analyzes words according to their affixes and the words that follow or precede them. Hopefully, the following definitions of the parts of speech will make more sense and be of more use than the old definitions of grammar school books.
Open Class Words
Closed Class Words
Subcategorization defines the restrictions on which syntactic categories (parts of speech) can or cannot occur within a lexical item. These additional specifications of words are included in our mental lexicon. Verbs are the most common categories that are subcategorized. Verbs can either be transitive or intransitive. Transitive verbs take a direct object, while intransitive verbs take an indirect object (usually they need a preposition before the noun).
Individual nouns can also be subcategorized. For example, the noun idea can be followed by a Prepositional Phrase or that and a sentence. But the noun compassion can only be followed by a Prepositional Phrase and not a sentence. (Ungrammatical sentences are marked with asterisks.)
Phrase structure rules describe how phrases are formed and in what order. These rules define the following:
The parentheses indicate the categories are optional. Verbs don't always have to be followed by prepositional phrases and nouns don't always have to be preceded by adjectives. Passive Sentences
Part Five: Neurolinguistics The human brain consists of 10 billion nerve cells (neurons) and billions of fibers that connect them. These neurons or gray matter form the cortex, the surface of the brain, and the connecting fibers or white matter form the interior of the brain. The brain is divided into two hemispheres, the left and right cerebral hemispheres. These hemispheres are connected by the corpus callosum. In general, the left hemisphere of the brain controls the right side of the body and vice versa.
The auditory cortex receives and interprets auditory stimuli, while the visual cortex receives and interprets visual stimuli. The angular gyrus converts the auditory stimuli to visual stimuli and vice versa. The motor cortex signals the muscles to move when we want to talk and is directed by Broca's area. The nerve fiber connecting Wernicke's and Broca's area is called the arcuate fasciculus. Lateralization refers to any cognitive functions that are localized to one side of the brain or the other. Language is said to be lateralized and processed in the left hemisphere of the brain. Paul Broca first related language to the left side of the brain when he noted that damage to the front part of the left hemisphere (now called Broca's area) resulted in a loss of speech, while damage to the right side did not. He determined this through autopsies of patients who had acquired language deficits following brain injuries. A language disorder that follows a brain lesion is called aphasia, and patients with damage to Broca's area have slow and labored speech, loss of function words, and poor word order, yet good comprehension. Carl Wernicke also used studies of autopsies to describe another type of aphasia that resulted from lesions in the back portion of the left hemisphere (now called Wernicke's area.) Unlike Broca's patients, Wernicke's spoke fluently and with good pronunciation, but with many lexical errors and a difficulty in comprehension. Broca's and Wernicke's area are the two main regions of the cortex of the brain related to language processing. Aphasics can suffer from anomia, jargon aphasia, and acquired dyslexia. Anomia is commonly referred to as "tip of the tongue" phenomenon and many aphasics experience word finding difficulty on a regular basis. Jargon aphasia results in the substitution of one word or sound for another. Some aphasics may substitute similar words for each other, such as table for chair, or they may substitute completely unrelated words, such as chair for engine. Others may pronounce table as sable, substituting an s sound for a t sound. Aphasics who became dyslexic after brain damage are called acquired dyslexics. When reading aloud words printed on cards, the patients produced the following substitutions:
The substitution of phonologically similar words, such as pool and tool, also provides evidence that a human's mental lexicon is organized by both phonology and semantics. Broca's aphasics and some acquired dyslexics are unable to read function words, and when presented with them on the cards, the patients say no, as shown in the following example:
The patient's errors suggest our mental dictionary is further organized into parts consisting of major content words (first stimuli) and grammatical words (second stimuli.) In addition, split-brain patients (those who have had their corpus callosum severed) provide evidence for language lateralization. If an object is placed in the left hand of split-brain patient whose vision is cut off, the person cannot name the object, but will know how to use it. The information is sent to the right side of the brain, but cannot be relayed to the left side for linguistic naming. However, if the object is placed in the person's right hand, the person can immediately name it because the information is sent directly to the left hemisphere. Dichotic listening is another experimental technique, using auditory signals. Subjects hear a different sound in each ear, such as boy in the left ear and girl in the right ear or water rushing in the left ear and a horn honking in the right ear. When asked to state what they heard in each ear, subjects are more frequently correct in reporting linguistic stimuli in the right ear (girl) and nonverbal stimuli in the left ear (water rushing.) This is because the left side of the brain is specialized for language and a word heard in the right ear will transfer directly to the left side of the body because of the contralateralization of the brain. Furthermore, the right side of the brain is specialized for nonverbal stimuli, such as music and environmental sounds, and a noise heard in the left ear will transfer directly to the right side of the brain. Part One: Introduction to Linguistics Every human knows at least one language, spoken or signed. Linguistics is the science of language, including the sounds, words, and grammar rules. Words in languages are finite, but sentences are not. It is this creative aspect of human language that sets it apart from animal languages, which are essentially responses to stimuli. The rules of a language, also called grammar, are learned as one acquires a language. These rules include phonology, the sound system, morphology, the structure of words, syntax, the combination of words into sentences, semantics, the ways in which sounds and meanings are related, and the lexicon, or mental dictionary of words. When you know a language, you know words in that language, i.e. sound units that are related to specific meanings. However, the sounds and meanings of words are arbitrary. For the most part, there is no relationship between the way a word is pronounced (or signed) and its meaning. Knowing a language encompasses this entire system, but this knowledge (called competence) is different from behavior (called performance.) You may know a language, but you may also choose to not speak it. Although you are not speaking the language, you still have the knowledge of it. However, if you don't know a language, you cannot speak it at all.
There are two types of grammars: descriptive and prescriptive. Descriptive grammars represent the unconscious knowledge of a language. English speakers, for example, know that "me likes apples" is incorrect and "I like apples" is correct, although the speaker may not be able to explain why. Descriptive grammars do not teach the rules of a language, but rather describe rules that are already known. In contrast, prescriptive grammars dictate what a speaker's grammar should be and they include teaching grammars, which are written to help teach a foreign language. There are about 5,000 languages in the world right now (give or take a few thousand), and linguists have discovered that these languages are more alike than different from each other. There are universal concepts and properties that are shared by all languages, and these principles are contained in the Universal Grammar, which forms the basis of all possible human languages.
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