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Without understanding the 'referential function' of language (words as 'verbal labels', symbolizing other things) it is impossible to learn a language. Is this implicit knowledge already present early in infants? Marno, Nespor, and Mehler of the International School of Advanced Studies conducted experiments with infants (4 months old). Babies watched a series of videos where a person might (or might not) utter an (invented) name of an object, while directing (or not directing) their gaze towards the position on the screen where a picture of the object would appear. By monitoring the infants' gaze, Marno and colleagues observed that, in response to speech cues, the infant's gaze would look faster for the visual object, indicating that she is ready to find a potential referent of the speech. However, this effect did not occur if the person in the video remained silent or if the sound was a non-speech sound. "The mere fact of hearing verbal stimuli placed the infants in a condition to expect the appearance, somewhere, of an object to be associated with the word, whereas this didn't happen when there was no speech, even when the person in the video directed the infant's gaze to where the object would appear, concludes Marno. "This suggests that infants at this early age already have some knowledge that language implies a relation between words and the surrounding physical world. Moreover, they are also ready to find out these relations, even if they don't know anything about the meanings of the words yet. Thus, a good advice to mothers is to speak to their infants, because infants might understand much more than they would show, and in this way their attention can be efficiently guided by their caregivers."

Due to the increase in language-learning technology, learners of second languages can get exposure to the new language that weren't possible before, making it easier to learn a new language.

Quick comparison of the differences between child and adult second language learning: suggests that children will be able to attain greater fluency in L2, whereas adults will learn the L2 imperfectly.

An important area of the field of second/foreign language teaching and learning is pragmatics -- the appropriate use of language in conducting speech acts such as apologizing, requesting, complimenting, refusing, thanking. Meaning is not just encoded in word semantics alone, but is affected by the situation, the speaker and the listener.A speech act is, according to linguist Kent Bach, "the performance of several acts at once, distinguished by different aspects of the speaker's intention: there is the act of saying something, what one does in saying it, such as requesting or promising, and how one is trying to affect one's audience". Speech acts can be broken down into 3 levels: 1. locutionary: saying something 2. illocutionary: the speaker's intent in performing the act. For example, if the locutionary act in an interaction is the question "Is there any salt?" the implied illocutionary request is "Can someone pass the salt to me?"; 3. In some instances, there's a third perlocutionary level: the act's effect on the feelings, thoughts or actions of either the speaker or the listener, e.g., inspiring, persuading or deterring. The Center for Advanced Research on Language Acquisition (CARLA) at University of Minnesota provides a collection of descriptions of speech acts, as revealed through empirical research. The material is designed to help language teachers and advanced learners to be more aware of the sociocultural use of the language they are teaching or learning. These speech acts include: Apologies Complaints Compliments/Responses Greetings Invitations Refusals Requests Thanks

Cartoonist LA Johnson employs a graphic novel-style approach to a story about a dual-language school: Bruce-Monroe Elementary School in Washington, D.C. In a dual-language classroom, sometimes you're the student and sometimes you're the teacher. Here's what it's like for 6-year-old Merari, an L1=Spanish ELL (English Language Learner).

This scholarly article outlines the differences between language acquisition and language learning. It also talks about teaching grammar to young children.

An infant's mother tongue creates neural patterns that the unconscious brain retains years later, even if the child totally stops using the language, (as can happen in cases of international adoption) according to a new joint study by scientists at the Montreal Neurological Institute and Hospital. The study offers the first neural evidence that traces of the "lost" language remain in the brain and suggests that early-acquired information is not only maintained in the brain, but unconsciously influences brain processing for years, perhaps for life -- potentially indicating a special status for information acquired during optimal periods of development. This could counter arguments not only within the field of language acquisition, but across domains, that neural representations are overwritten or lost from the brain over time.

This article discusses the different theories on what influences language development: Nature or Nurture? Is language bound to develop from genetics, or is language dependent on environment?

Abstract: The critical period hypothesis holds that first language acquisition must occur before cerebral lateralization is complete, at about the age of puberty. One prediction of this hypothesis is that second language acquisition will be relatively fast, successful, and qualitatively similar to first language only if it occurs before the age of puberty.

Nice resource of sound recordings/experiments done with children, babies and language

A longitudinal study conducted by USC suggests that music training during childhood, even for a period as brief as two years, can accelerate brain development and sound processing. We believe that this may benefit language acquisition in children given that developing language and reading skills engage similar brain areas.

New research on language acquisition in babies leads scientists to believe that babies map sounds and critical aspects of their language before they begin speaking.

A new study conducted by the University of Pennsylvania has shown that children as young as two understand basic grammar rules when they first learn to speak and are not simply imitating adults. The study also applied the same statistical analysis on data from one of the most famous animal language-acquisition experiments -- Project Nim -- and showed that Nim Chimpsky, a chimpanzee who was taught sign language over the course of many years, never grasped rules like those in a two-year-old's grammar. "When you compare what children should say if they follow grammar against what children do say, you find it to almost indistinguishable," Professor of Linguistics Charles Yang said. "If you simulate the expected diversity when a child is only repeating what adults say, it produces a diversity much lower than what children actually say." As a comparison, Yang applied the same predictive models to the set of Nim Chimpsky's signed phrases, the only data set of spontaneous animal language usage publicly available. He found further evidence for what many scientists, including Nim's own trainers, have contended about Nim: that the sequences of signs Nim put together did not follow from rules like those in human language. Nim's signs show significantly lower diversity than what is expected under a systematic grammar and were similar to the level expected with memorization. This suggests that true language learning is -- so far -- a uniquely human trait, and that it is present very early in development.

This article explains that learning language actually starts in the womb, not after birth. With new technology, researchers from the University of Kansas were able to track in-utero babies' responses to American and Japanese. As the mothers had only spoken English during their pregnancies, Japanese was a completely new language to the fetuses. The fetuses reacted very differently to the Japanese than they did to the American, which suggests that fetuses are able to start learning language before they are even brought into the world.

For the study, conducted by Dr. John Hutton, a researcher and pediatrician at Cincinnati Children's Hospital, and someone with an interest in emergent literacy, 27 children around age 4 went into an FMRI machine. They were presented with the same story in three conditions: audio only; the illustrated pages of a storybook with an audio voiceover; and an animated cartoon. While the children paid attention to the stories, the MRI, the machine scanned for activation within certain brain networks, and connectivity between the networks. Here's what researchers found: In the audio-only condition (too cold): language networks were activated, but there was less connectivity overall. "There was more evidence the children were straining to understand." In the animation condition (too hot): there was a lot of activity in the audio and visual perception networks, but not a lot of connectivity among the various brain networks. "The language network was working to keep up with the story," says Hutton. "Our interpretation was that the animation was doing all the work for the child. They were expending the most energy just figuring out what it means." The children's comprehension of the story was the worst in this condition. The illustration condition was what Hutton called "just right".When children could see illustrations, language-network activity dropped a bit compared to the audio condition. Instead of only paying attention to the words, Hutton says, the children's understanding of the story was "scaffolded" by having the images as clues. Most importantly, in the illustrated book condition, researchers saw increased connectivity between - and among - all the networks they were looking at: visual perception, imagery, default mode and language. One interesting note is that, because of the constraints of an MRI machine, which encloses and immobilizes your body, the story-with-illustrations condition wasn't actually as good as reading on Mom or Dad's lap. The emotional bon

This article talks about L2 acquisition in schools throughout the United States and how more schools are starting to offer foreign language classes to students. It talks about why it's important and beneficial to learn a foreign language.

In this TED-Talk, Dr. Naja Ferjan Ramirez, linguistics professor at the University of Washington and a specialist in the brain processes of children 0-3 years, lays out the benefits of bilingualism, tells how to optimize language learning to achieve better acquisition, and dispels some common concerns about the cons of creating a bilingual child. No surprises here: start early, and create conditions where babies are exposed to the desired target languages-this will enable babies to process the sounds of dual languages, not just one. Ideally, babies will have frequent, social interactions with fully-competent, fluent speakers of the target languages. Ramirez also mentions a major cognitive benefit to bilingualism: a strengthened prefrontal cortex: the area of the brain that deals with task-switching and flexible thinking.

Scientists from the Higher School of Economics (HSE) together with colleagues from the University of Helsinki have discovered that learning foreign languages enhances the our brain's elasticity and its ability to code information. The more foreign languages we learn, the more effectively our brain reacts and processes the data accumulated in the course of learning.