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Infants are the world’s most accomplished language learners. As the process unfolds, children pass through stages of progressively more complex “babbling” before they begin using conventional words. But babbling isn’t limited to spoken language. Deaf children and the children of deaf parents pass through similar stages as they approximate...

107,170 views • 1 year ago •via X (Twitter)

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How does the presence of older siblings influence the development of language? This lovely video brought my mind immediately to research on the topic. There is some consensus that the presence of one or more siblings can correlate with slightly slower* language development among children who are not first born. This is because parents juggling the demands of multiple children generally have less time for one-on-one interaction. But research suggests that this the presence of a “cognitively sensitive” sibling can mitigate against such delays. What is “cognitively sensitive?” It’s this little guy. Notice how he not only takes time out to deliberately expose his newborn sister to language and vocabulary, but makes an effort to slow and simplify his language in recognition that he’s speaking with a baby. He shows the photos. He points (as he’s able) to match vocabulary with what’s on display. It’s like having a third, mini-parent. What a fantastic little teacher. *By the way, the delayed language often displayed by younger siblings is not anything to get too worked up about. Might they develop a little slower? In some cases yes. But do they catch up and close this gap? Also yes. In the long run, there’s also plenty of reason to believe that the presence of siblings can be advantageous. Though subsequent siblings may receive slightly less one-on-one time, they are often exposed to richer and more varied language due to the presence of older children in the home. What was your experience? This loving brother-sister pair was shared to IG by halesmoore.

Dan Wuori

418,388 views • 2 years ago

What can these five babies teach us about language development? This week I’ve been exploring the stages of infant language acquisition. And today, I’ve done something special: curated a compilation of five videos tracing the progression of infant vocalizations over time. As you watch, note that each new clip represents a step forward in expressive language (and, obviously, age). So let’s meet our five babies! 1) Baby Number One, shared to TT by natashatenen, illustrates a concept I first introduced yesterday: Cooing. Note that her happy vocalizations are mostly extended vowel sounds. One of the first sounds babies make other than crying, cooing typically begins between 6 weeks and 3 months. 2) Now let’s meet Baby Number Two (shared to TT by putdewyy). He’s not far past the cooing stage… lots of vowel sounds are on display here…but he’s starting to make the transition to babbling. Notice how his vowel sounds are now supplemented by some initial consonants. He adds some “buh” and “bah” sounds. Babbling typically begins with single syllables (often buh, muh, and/or duh) between 4-6 months. It’s a subtle but important step forward. 3) You’ll notice that Baby Number Three’s speech is marked by a real qualitative upgrade in terms of both clarity and content. This little one, shared to TT by Vanessa.Fiorella, is demonstrating what is known as canonical babbling - which involves the repetition of a single syllable. While Baby Two managed a “bah” sound, Baby Three is firing them off in rapid succession: “bah-bah-bah-bah.” Canonical babbling often begins around 6-7 months. 4) Baby Number Four takes the complexity up a notch further. What you see in this video (shared to TT by sofiaandsofie1) is called variegated babbling - which combines multiple different syllable combinations. (“Duh-dah-di-di-di-dah”) Do you notice how variegated babbling is starting to resemble conventional/adult speech more and more? It’s commonly exhibited around 10-12 moths. 5) And then, just for the fun of it, I’ve included Baby Number 5 - who became a viral sensation last winter for the amazing complexity of his variegated babbling. The video, shared to TT by Xxbur5, shows a little guy with a cold diaper and a linguistic capacity that - only months after first babbling - has progressed exponentially and will soon make way for his first words. Isn’t it amazing to trace this progression? Grateful to all these creators for capturing videos so we can all learn from them together. Hope you enjoyed this language development super cut!

Dan Wuori

123,945 views • 1 year ago

From 0 to 60 in X seconds… For years that’s been one of the benchmarks used by auto manufacturers to describe the rapid acceleration of the world’s most powerful cars. It’s also a perfect metaphor to wrap up two weeks of posts focused on the language acquisition of young children. Babies enter the world with cries and gurgles… advance rapidly to complex forms of babbling, and generally speak their first words within a year. Their vocabularies growing exponentially, they begin stringing simple sentences together shortly thereafter and by two years of age, become surprisingly powerful little communicators. From 0 to 60 in just a little more than 24 months. It’s really amazing to witness. I began this series with video of a baby’s first sounds, captured in a hospital maternity ward. So what better way to conclude it than with an example of the end result? I got such a kick out of listening to this little one, age two, discussing her exasperation over the family dog’s need to bark at… well, everything. Check out not only her complex vocabulary and grammar, but her expression and tone… The way her personality is exposed through her vocalizations. Listening to her it’s hard to imagine that roughly 18 months prior she’d not yet spoken a single conventional word. Talk about acceleration! 🏎️ Of course this isn’t truly the end point for language development. Her vocabulary will continue to grow throughout her lifetime, for example… but the foundations of her lifelong success have been laid… transforming not only her ability to communicate but the very ways she is able to think. Language is arguably humankind’s most powerful tool. And it’s mastered rapidly by its most efficient and precocious little learners. This fantastic video was shared to IG by harperraeels.

Dan Wuori

101,413 views • 1 year ago