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Babies can get frustrated and emotional very quickly when they do not get what they want. Using baby sign language helps them communicate their wants and needs, which makes them less likely to become frustrated

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When a parent and baby are able to communicate and understand each other with baby sign language they can become closer. Studies report that parents and babies that can sign to each other feel closer and more in tune with one another

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With early exposure to signing babies are able to develop their language and reasoning skills. Studies report that babie who sign have a 12 point higher IQ average, a larger speaking vocabulary and a greater ability to form longer sentences, earlier reading and larger reading vocabulary, and higher grades.

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Benefit 4- Communication of vital information

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Benefit 4- Communication of vital information

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Sign language helps children communicate vital information that parents may not be able to understand otherwise. Like if they are hurt, hungry, or are done with what they are doing

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Benefit 5- Other physcological benifits 

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Benefit 5- Other physcological benifits 

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It is also thought that there can be physcological benefits besides decreased frustration, like increased confidence and self-esteem at the ability to communicate

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While it was commonly thought that sign language delays speech developement, that was disproved by experts who suggest that in fact, sign language helps speech developement. Most children who can sign are able to speak earlier than those who don't

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Studies show that by using sign language children can reinforce learning topics and themes, like the ABC's and animals

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Studies show that sign language helps children remember words because of the muscle memory and other senses involved

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Benefit 9-Better attentiveness to social gestures 

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Benefit 9-Better attentiveness to social gestures 

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Sign language may help children understand and notice social gestures thet they make and that others make. This can help their communication with others and help them with how they communicate

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Bilingualism of any language can be a booster for intelligence. It can also be an improvement to the seld-esteem of a child that they can speak multiple languages

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Learn to Sign You Are My Sunshine | ASL Kids Song

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Patty Shukla - Nursery Rhymes and Preschool videos

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Please and Thank You Sign Language Song for Children, Toddlers and Kids Videos | Patty Shukla

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Moonbug Kids - Sign Language For Kids - ASL

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Wheels On The Bus | Sign Language For Kids | Kids Cartoon | Blippi | ASL

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Source 1-

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American Sign Language (ASL) has been one of the primary means of communication for the deaf since the early 1800s after Thomas Hopkins Gallaudet helped to develop the language and then went on to establish a university for the deaf. Now, the practice of teaching hearing children sign language is gaining popularity nationwide.

ASL is now classified as a world language, the same as Spanish, French, or any other foreign language. Therefore, if a child speaks sign language, the child is considered bilingual. When children are taught English and ASL together, they are processing language using both sides of the brain. This gives the children two places to recall language from instead of just one.

Research has found that the use of signs and finger spelling will accommodate a wide range of learning styles: "verbal linguistic," kinesthetic" and "interpersonal." Using ASL is the representation of information through seeing, hearing, and movement, and the more pathways that are created in the brain, the stronger the memory.

Babies as young as six to seven months old can remember a sign, according to experts. By eight months, children can begin to sign single words and imitate gestures, and by 24 months, children can sign compound words and full sentences. Many preschools have also begun to teach sign language to their students.

The use of sign language has proven to be beneficial for children in a wide variety of settings. Teaching sign language to preverbal babies has proven to benefit children in their later years. Research shows that sign language speeds up speech development, reduces frustration in young children by giving them a means to express themselves before they know how to talk, increases parent-child bonding, and lets babies communicate vital information, such as if they are hurt or hungry.

Infants who learn sign language also are thought to gain psychological benefits, such as improved confidence and self-esteem. Feelings of anger due to an inability to communicate may not occur as often. Having the ability to sign could be a lifesaver when a child is too flustered to speak clearly.

It has been suggested that learning sign language can delay speech, but this is negated by experts who claim that in fact, it aids speech development. Most baby who can sign speak earlier than babies who do not learn sign language.

Early exposure to signing helps infants to develop their language and reasoning skills. While other s are still crying to get what they want, signing babies are learning how to communicate with words and simple phrases.

Studies show long-term cognitive benefits, including:

+12 IQ point advantage

Accelerated speech and emotional development

Enables children to communicate effectively

Lowers frustration levels

Improves child-parent bonding

Reinforces the learning of educational concepts such as ABC's, animals, and other specific themes

Helps children remember words because there is muscle memory involved, and the more senses involved in learning, the greater memory retention the child will have

Improves attentiveness to social gestures of others as well as of themselves

Larger speaking vocabulary and ability to form longer sentences

Earlier reading and larger reading vocabulary

Better grades in school.

In addition, children who know ASL score 17% higher on standardized tests administered in the younger school years than children who do not know sign language. Bilingualism of any languages (whether signed or spoken) is a great booster for brains. It enriches and enhances children's cognitive processes, leading to higher abstract and creative thinking, better problem-solving skills, greater cognitive flexibility, better listening skills, greater academic achievement, and much more. It also promotes cultural awareness, literacy, and other intellectual benefits.

Another possible benefit of teaching a child to sign may be the facilitation of their attentiveness to social gestures of others as well as of themselves. It has been seen over the years that teaching sign language to children with autism and other developmental disabilities does not interfere with learning to talk. In fact, teaching sign language along with speech has proven to speed up the development of spoken communication abilities.

Parents of hearing children are discovering sign language is beneficial for children in a wide variety of situations. You can reinforce the signs your children learn at preschool by using them at home. The practice of teaching hearing children sign language will continue to gain popularity due to its many, many benefits.

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Benefits of Sign Language for Young Children

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American Sign Language (ASL) has been one of the primary means of communication for the deaf since the early 1800s after Thomas Hopkins Gallaudet helped to develop the language and then went on to establish a university for the deaf. Now, the practice of teaching hearing children sign language is gaining popularity nationwide.

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Baby Sign Language lets babies, as young as six months old, communicate their needs so they don't need to cry. Your baby will learn how to tell you:

Never again be helpless at 2 a.m., trying to guess what a sobbing baby wants.

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Baby Sign Language lets babies, as young as six months old, communicate their needs so they don't need to cry. Your baby will learn how to tell you: Never again be helpless at 2 a.m., trying to guess what a sobbing baby wants.

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© 2018 Gwen Dewar, Ph.D., all rights reserved

What is "baby sign language"?

The term is a bit misleading, since it doesn't refer to a genuine language. A true language has syntax, a grammatical structure. It has native speakers who converse fluently with each other.

By contrast, baby sign language, also known as baby signing, usually refers to the act of communicating with babies using a modest number of symbolic gestures.

Parents talk to their babies in the usual way - by speaking words - but they also make use of these signs. For instance, a mother might ask, "Do you want something to drink?" while making the sign for "drink."

Does baby sign language work?

The short answer is yes, it works -- in the sense that babies can learn to interpret and use signs. As I note below, research suggests that many babies can start producing signs by the time they are 8-10 months of age.

But the same can be said for spoken words, and, as we'll see, it's not clear that teaching babies to sign gives them any special, long-term advantages.

What signs do people use?

It depends. In some cases, families might co-opt the gestures that arise spontaneously during everyday communication.

For example, you and your baby see a butterfly, so you flap your hands as you say the word aloud. Or you notice that your baby waves her hand dismissively when she doesn't want something, as if she is trying to push it away.

Such gestures represent a kind of pantomime. You're acting out what you're trying to say.

But people often use the term "baby sign language" to refer to something different: teaching babies a set of signs provided by charts, books, or videos. And many of these signs lack the pantomime element.

As Lorraine Howard and Gwyneth Doherty-Sneddon (2014) note, there has been a trend for commercial baby language programs to borrow signs from languages for the deaf, like American Sign Language (ASL).

Some of these have the quality of iconicity. Their form resemble s the idea they stand for.

The ASL sign for "drink," for example, looks like you're holding a cup to your mouth:

But other signs are not iconic. You can see this here, in the signs for "play," "hurt," and "mother," all adapted from ASL:

The mapping of the gestures to their meanings is arbitrary, just as it is for most spoken words.

Does it matter if a sign is iconic (pantomime-like) or arbitrary?

Research suggests that it does. As long as you possess the necessary background information (that people drink from cups), you are going to find it easy to connect the sign (the ASL gesture for "drink") with the idea (drinking). And that will help you learn and remember the sign going forward.

Studies confirm that babies tend to learn iconic signs more readily than arbitrary ones(Thompson et al 2012).

So should you teach your baby signs? What are the benefits of baby sign language?

Teaching a baby to communicate using gestures can be exciting and fun. It's an opportunity to watch your baby think and learn.

The process might encourage you to pay closer attention to your baby's attempts to communicate. It might help you appreciate the challenges your baby faces when trying to decipher language.

These are good things, and for some parents, they are reason enough to try baby signing.

But what about other reasons -- developmental reasons?

Some advocates claim that baby signing programs have long-term cognitive benefits.

They claim that babies taught to sign will amass larger spoken vocabularies, and even develop higher IQs.

Others have claimed that signing has important emotional benefits.

According to this argument, babies learn signs more easily than they learn words. As a result, they communicate more effectively at an earlier age. Their parents understand them better, reducing frustration and stress.

Does the research support these claims?

Not really. But it depends on what you mean by baby-signing.

If by "baby signing" you mean "teaching babies signs derived from ASL or other languages," then there's no compelling evidence of long-term advantages.

But if you're thinking of the more spontaneous, pantomime use of gesture, that's a different story. There is good evidence suggesting that easy-to-decipher, iconic gesturing can help babies learn.

To see what I mean, let's take a closer look at the research.

Do baby signing programs boost long-term cognitive skills?

Overall, the evidence is lacking.

The very first studies hinted that baby sign language training could be at least somewhat advantageous, but only for a brief time period (Acredolo and Goodwyn 1988; Goodwyn et al 2000).

In these studies, Linda Acredolo and Susan Goodwyn instructed parents to use baby signs with their infants. Then the researchers tracked the children across 6 time points, up to the age of 36 months.

When the children's language skills were tested at each time point, the researchers found that babies taught signs were sometimes a bit more advanced than babies in a control group.

For instance, the signing children seemed to possess larger receptive vocabularies. They recognized more words.

But the effect was weak, and detected only for a couple of time points during the middle of the study.

For the last two time points, when babies were 30 months and 36 months old, there were no statistically significant differences between groups (Goodwyn et al 2000).

In other words, there was no evidence that babies benefited in a lasting

And more recent studies -- using stringent controls -- have also failed to find any long-term vocabulary advantage for babies taught to sign ( J ohnston et al 2005; Kirk et al 2012; Fitzpatrick et al 2014; Seal and DePaolis 2014).

For example, Elizabeth Kirk and her colleagues (2012) randomly assigned 20 mothers to supplement their speech with symbolic gestures of baby sign language.

The babies were tracked from 8 months to 20 months of age, and showed no linguistic benefits compared to babies in a control group.

Although some advocates have claimed that baby sign language training boosts a child's IQ, the relevant research has yet to appear in any peer-reviewed journal. On this question, it's safe to say that the jury is still out.

What about enabling better communication during infancy? Is it true that babies can sign before they can speak?

This is an interesting idea, and it has been championed by advocates of baby signing programs.

The proposal is that babies are capable of communicating via sign language months before they are ready to communicate with spoken language.

Is there compelling scientific evidence for this claim? Once again, the answer is no.

The best evidence available on the question comes from a few, small studies of children raised to sign from birth. For example, two of the most relevant studies feature samples of fewer than a dozen children for a given age range.

In these studies, the average timing of first signed words appears to be a bit younger than the average timing observed for children learning spoken language.

But there is big problem. The sample sizes are just too small to draw any firm conclusions.

For example, one long-term study (tracking the same babies from an early age) featured only 11 infants (Bonvillian et al 1983).

Another study relies on data collected from only a few individuals each age group -- for instance, just five individuals between the ages of 12 and 13 months (Anderson and Reilly 2002).

When we use such small samples, we run a high risk of getting results that are skewed: It's relatively easy to end up with a group of individuals who aren't representative of the population as a whole.

And this is especially true when there is a lot of individual variation, as is the case for the timing of language production. For instance, at 13 months of age, it's normal for some children to produce as few as 4 words, while others might produce more than 80.

What if by chance your small sample includes mostly early bloomers? Or late bloomers?

Finally, there are methodological problems to be solved. We need to make sure we use similar standards when we count signs and spoken words, and different studies aren't always comparable in this respect.

But surely there are situations where signing is easier than speaking?

I think that's very likely. For example, the ASL sign for "spider" looks a lot like a spider. It's iconic, which may make it easier for babies to decipher. And it might be easier for babies to produce the gesture than to speak the English word, "spider," which includes tricky elements, like the blended consonant "sp."

The same might be said for the ASL signs for "elephant" and "deer."

So it's unlikely that a baby is going to find one mode of communication (signing or speaking) easier across the board.

And the social and emotional benefits? Is there evidence that baby signing reduces frustration or stress?

Individual families might experience benefits. But without controlled studies, it's hard to know if it's really learning to sign that makes the difference.

It's also hard to know if the effect is general - something most families would experience if they tried it.

To date, claims about stress aren't well-supported. One study found that parents enrolled in a signing course felt less stressed afterwards, but this study didn't measure parents' stress levels before the study began, so we can't draw conclusions (Góngora and Farkas 2009).

Nevertheless, there are hints that signing may help some parents become more attuned to what their babies are thinking.

In the study led by Elizabeth Kirk, the researchers found that mothers who had been instructed to use baby signs behaved differently than mothers in the control group. The signing mothers tended to be more responsive to their babies' nonverbal cues, and they were more likely to encourage independent exploration (Kirk et al 2012).

So perhaps baby signing encourages parents to pay extra attention when they communicate. Because they are consciously trying to teach signs, they are more likely to scrutinize their babies' nonverbal signals.

As a result, some parents might become better baby "mind-readers" than they might otherwise have been, and that's a good thing. Being tuned into your baby's thoughts and feelings helps your baby learn faster.

But of course parents don't need to participate in a baby sign language program to achieve these effects. The important thing is tuning into your baby, and figuring out what he or she wants.

And this begs the question: Does teaching your baby signs (from ASL or other languages) necessarily give you more insight into what your baby wants?

Families can communicate quite successfully without using formal "baby signs"

For example, consider this snapshot of a baby making the sign for "more," borrowed from ASL.

It's a perfectly useful sign, and many babies have learned it. But what happens if you don't teach your baby this sign?

Will your baby be incapable of letting you know that he wants more applesauce? Will your baby somehow fail to get across the message that she wants to play another round of peek-a-boo?

When parents pay attention to their babies -- and engage them in conversation, one-on-one -- they learn to read their babies' cues.

A baby might pat the table when he wants more applesauce. A baby might reach out and smile when she wants to play with you. They aren't signs borrowed from a language like ASL, but, in context, their meaning is clear.

When we respond appropriately to these spontaneous gestures, we are engaged in successful communication, and we are helping our babies build the social skills they need to master language.

That doesn't mean there is no reason to teach formal signs. You might find that some signs are helpful -- that they allow for communication that is otherwise difficult for your baby.

But it's wrong to think of formal signs as the only gestures that matter. From the very beginnings of humanity, parents and babies have communicated by gesture. And research suggests that gestures matter. A lot!

In fact, this is so important, it's worth considering in more detail. Whether or not you decide to teach your baby sign language, you should embrace the use of gestures when you communicate.

Why everyday gestures can have a big impact on your baby's development

1. Our nonverbal cues can help babies learn language

Imagine I stranded you in the middle of a remote, isolated nation. You don't speak the local language, and the locals don't recognize any of your words. What would you do?

Very quickly, you'd resort to pantomime. And as you tried to learn the language, you'd soon appreciate that some people are a lot more helpful than others.

It isn't just that they're friendlier. Some people just seem to have a better knack for non-verbal cues. They follow your gaze, and comment on what you're looking at. They point at the things they are talking about.

They use their hands and facial expressions to act out some of the things they are trying to say. And they're really good at it. When they talk, it's easier to figure out what they mean.

Researchers call this ability "referential transparency," and it helps babies as well as adults. The evidence?

Erica Cartmill and her colleagues (2013) made video recordings of real-life conversations between 50 parents and their infants - first when the babies were 14 months old, and again when they are 18 months old.

Then, for each parent-child pair, the researchers selected brief vignettes - verbal interactions where the parent was using a concrete noun (like the word "ball").

The researchers muted the soundtrack of each vignette, and inserted a beeping noise every time the parent uttered the target word. Next, they showed the resulting video clips to more than 200 adult volunteers.

They asked the volunteers to guess what the parents were talking about. When you hear the beep, what word do you think the parent is saying?

The researchers were pretty tough graders. They didn't, for example, count guesses as correct if they were too general (like guessing "toy" when the correct answer was "teddy bear").

Nor did they give volunteers credit for guesses that were too specific (guessing "finger" when the correct answer was "hand"). They also tried to eliminate vignettes where it was possible for volunteers to read the parents' lips.

So the test wasn't easy, and it might give us an idea of how challenging it is for babies to decipher unfamiliar words. The outcome?

It turns out there was a lot of variation between parents. Some parents spoke with referential transparency only 5% of the time. Others were more like expert foreign language teachers, making their meanings clear up to 38% of the time.

And - here's the part with implications for the long-term - there were links between a parent's referential transparency score and her child's vocabulary three years later.

Babies who had more "transparent" parents tested with larger vocabularies when they were four and half years old.

The link remained significant even after controlling for the babies' vocabularies at the beginning of the study. And there were other interesting points too.

Although the sheer number of works spoken by parents predicted a child's vocabulary, it was high-quality, transparent communication that mattered most.

And while researchers replicated a well-known finding - that parents of higher socioeconomic status (SES) use more words with their kids - there were no links between SES and referential transparency. Parents of high SES were no more likely than other parents to speak to their babies in a highly transparent way.

What do we make of these results?

We can't be sure that referential transparency caused larger vocabularies. Maybe parents who scored high on referential transparency did so because they possessed a heritable trait - one they passed on to their kids - that makes people both better communicators and better verbal learners.

But remember: Parents with high referential transparency were easier for adult volunteers to understand, and these adults were unrelated to the parents.

So it isn't hard to imagine how referential transparency could lead to long-term language gains. And other research suggests that we can help our babies by being responsive to our babies' spontaneous gestures.

For example, consider the importance of pointing.

2. Babies learn words faster when we label the things they point at

Most babies begin pointing between 9 and 12 months, and this can mark a major breakthrough in communication.

By pointing, babies can make requests (e.g., "Give me that toy"). They can also ask questions ("What is that?") and make comments ("Look at that!").

But the impact of this communicative breakthrough depends on our own behavior. Are we paying attention? Do we respond appropriately?

As psychologists Jana Iverson and Susan Goldin-Meadow have noted, a baby who points at a new object might prompt her parent to label and describe the object.

If the parent responds this way, the baby gets information at just the right moment-when she is curious and attentive. And that could have big implications for learning (Iverson and Goldin-Meadow 2005).

Experiments have confirmed the effect: Babies are quicker to learn the name of an object if they initiate a "lesson" by pointing. And if the adult tries to initiate -- by labeling an object that the baby didn't point at? Then there is no special learning effect (Lucca et al 2018).

So there's good reason to think that gestures affect learning. But the trick is to emphasize easy-to-decipher gestures.

We want to be like that those language tutors in the remote, far-off country - the ones who respond to other people's requests for information, and who have a knack for supplementing speech with easy-to-understand pantomime.

Does this mean that abstract, non-iconic signs pose a problem? Can baby sign language delay speech development?

That's a reasonable question, given that baby signing programs feature signs that are non-iconic. Could the difficulty of learning such signs be a roadblock?

Studies haven't found that babies trained to use signs suffer any disadvantages.

So if you and your baby enjoy learning and using signs, you shouldn't worry that you're putting your baby at risk for a speech delay. In essence, you're just teaching your baby extra vocabulary -- vocabulary borrowed from a second language.

Still, it's helpful to remember that iconic gestures are easier for your baby to figure out.

For example, in one experimental study, 15-month-old toddlers were relatively quick to learn the name of a new object when the adults gestured in an illustrative, pantomime-like way.

The toddlers were less likely to learn the name for an object when the spoken word was paired with an arbitrary (non-representational) gesture (Puccini and Liszkowski 2012).

What's the takeaway?

Non-verbal communication is crucial for language development. Gestures can provide babies with important information, and help them decipher your meaning.

But not all gestures are equally helpful. Research suggests that the most effective approach is

1. to pay attention to our babies, and respond appropriately to their spontaneous attempts to gesture and verbalize; and

2. to communicate with babies using a combination of speech and transparent gestures -- like pantomime and pointing.

In addition, I suspect it's beneficial to build on those signs and gestures that you and your baby spontaneously invent. They already have meaning to your baby, and they are probably easier for your baby to remember.

This doesn't mean you shouldn't also teach your baby sign language, including some arbitrary, non-iconic signs. It can be fun and interesting, and your child might end up learning signs that are very useful.

But to help your baby learn, it makes sense to emphasize gestures that are easy to decipher, and which have personal meaning to your baby.

Tips for teaching baby sign language

Whether you opt for the spontaneous, do-it-yourself approach, or you want to teach your baby gestures derived from real sign languages, keep the following tips in mind.

Babies begin learning about language from the very beginning. They overhear their mothers' voices in the womb, and they are capable of recognizing their mother's native language - distinguishing it from a foreign language - at birth.

Over the following months, their brains sort through all the language they encounter, and they start to crack the code. And by the time they are 6 months old, babies show an understanding of many everyday words - like "mama," "bottle," and "nose."

Many babies this age are also babbling - repeating speech syllables like "ma ma ma" and "ba ba ba."

If a 6-month-old baby says "ba ba" after you give her a bottle, could it be that she's trying to say the word "bottle"? If an infant sees his mother and says "mama," is he calling her by name?

It's entirely possible. And as noted above, research suggests that many babies are speaking their first words by the age of 10 months. (Read more about it in my article, " When do babies speak their first words?")

So we might expect that babies are ready to observe and learn about signs at an early age -- even before they are 6 months old.

2. Introduce signs naturally, as a part of everyday conversation, and don't try to "drill" babies.

Babies learn words and signs by being repeatedly exposed to them, and by using them in real conversations. So let your signs come up naturally, and avoid turning these episodes into parent-driven lessons. Remember the experiments about pointing. Babies learn when they're the ones who initiate.

3. Keep in mind that it's normal for babies to be less than competent. Don't pretend you can't understand your baby just because his or her signs don't match the model!

Just a baby's first attempt to say "bottle" falls short ("ba ba,") his or her early attempts to gesture will likely be less than perfect.

Baby sign language instructors call these attempts "sign approximations," and they recommend that you run with them. In some cases, your baby might lack the manual dexterity to form the correct version of the sign.

Pretending that your baby didn't really communicate effectively to you -- because your baby's gesture isn't exactly what you want -- is counterproductive. Don't forget: Babies develop better language skills when their parents are tuned in and helpful!

More reading

Interested in gesture? You should be! Research suggests that gesture does more than help babies learn language. It can also help kids grasp mathematical concepts, and more. Read about it in my article, "The Science of gestures."

References: Baby sign language

Acredolo, LP and Goodwyn SW. 1988. Symbolic gesturing in normal infants. Child Development 59: 450-466.

Acredolo L and Goodwyn S. 1998. Baby Signs. Chicago: Contemporary Books.

Anderson D and Reilly J. 2002. The MacArthur Communicative Development Inventory: Normative data for American Sign Language. Journal of Deaf Studies and Deaf Education 7: 83-106

Bonvillian JD, Orlansky MD, Novack LL. 1983. Developmental milestones: sign language acquisition and motor development. Child Dev. 54(6):1435-45.

Cartmill EA, Armstrong BF 3rd, Gleitman LR, Goldin-Meadow S, Medina TN, Trueswell JC. 2013. Quality of early parent input predicts child vocabulary 3 years later. Proc Natl Acad Sci USA 110(28):11278-83.

Crais E, Douglas DD, and Campbell CC. 2004. The intersection of the development of gestures and intentionality. J Speech Lang Hear Res. 47(3):678-94.

Fenson L, Dale PS, Reznick JS, Bates E, Thal DJ, Pethick SJ. 1994. Variability in early communicative development. Monogr Soc Res Child Dev. 59(5):1-173.

Fitzpatrick EM, Thibert J, Grandpierre V, and Johnston JC. 2014. How handy are baby signs? A systematic review of the impact of gestural communication on typically developing, hearing infants under the age of 36 months. First Language. 34 (6): 486-509.

Goodwyn SW, Acredolo LP, and Brown C. 2000. Impact of symbolic gesturing on early language development. Journal of Nonverbal Behavior. 24: 81-103.

Howard L and Doherty-Sneddon G. 2014. How HANDy are baby signs? A commentary on a systematic review of the impact of gestural communication on typically developing, hearing infants under the age of 36 months. First Language 34(6):510-515

Iverson JM and Goldin-Meadow S. 2005. Gesture paves the way for language development. Psychological Science 16(5): 367-371.

Iverson, J.M., Capirci, O., Volterra, V., & Goldin-Meadow, S. (in press). Learning to talk in a gesture-rich world: Early communication of Italian vs. American children. First Language.

Johnston JC, Durieux-Smith A and Bloom K. 2005. Teaching gestural signs to infants to advance child development: A review of the evidence. First Language 25(2): 235-251.

Lucca K and Wilbourn MP. 2018. Communicating to Learn: Infants' Pointing Gestures Result in Optimal Learning. Child Dev. 89(3):941-960.

Mayor J and Plunkett K. 2011. A statistical estimate of infant and toddler vocabulary size from CDI analysis. Developmental Science 14(4): 769-85.

Meins E, Fernyhough C, Fradley E, and Tuckey M. 2001. Rethinking maternal sensitivity: Mothers' comments on infants' mental processes predict security of attachment at 12 months. Journal of Child Psychology and Psychiatry and Allied Discipline 42: 637-648.

Meyer RP. 2016. Sign language acquisition. Oxford Handbooks Online. DOI: 10.1093/oxfordhb/9780199935345.013.19

Oller DK. 2000. The emergence of the speech capacity. Lawrence Erlbaum.

Petitto LA. 1988. "Language" in the prelinguistic child. In F. S. Kessel (ed.), The development of language and language researchers: Essays in honor of Roger Brown (pp. 187-221). Hillsdale, NJ: Lawrence Erlbaum.

Petitto LA and Marentette PF. 1991. Babbling in the manual mode: Evidence for the ontogeny of language. Science 251: 1493-1496.

Puccini D and Liszkowski U. 2012. 15-Month-Old Infants Fast Map Words but Not Representational Gestures of Multimodal Labels. Front Psychol. 2012;3:101. Epub 2012 Apr 3.

Seal BC and DePaolis RA. 2014. Manual Activity and Onset of First Words in Babies Exposed and Not Exposed to Baby Signing. Sign Language Studies 14(4): 444-465.

Thompson R, Vinson DP, Woll B, and Vigliocco G. 2012. The road to language learning is iconic: Evidence from British Sign Language. Psychological Science 23: 1443-1448

title image of gesturing baby boy and father by David R Tribble / wikimedia commons

image of pointing infant on the lap of his father by Quinn Dombrowski / flickr

image of baby signs by Dr. Michael Fetters, University of Michigan

image of mother holding gesturing, vocalizing baby by Lindsay Shaver/flickr

image of boy signing for more by Joe Szilagyi/flickr

image of mother in park reaching towards toddler by Bob B Brown/flickr

Portions of this text appeared in an earlier version of the article by the same name. In addition, some of the sentences about Cartmill's study original appeared in a blog post for BabyCenter.

Content last modified 1/2019

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Baby sign language: A guide for the science-minded parent

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What is baby sign language? Should we teach our babies to sign? There's no compelling evidence that baby signing programs yield long-term developmental benefits. But there is good reason to think that our everyday, spontaneous, pantomime-like gestures help babies learn.