[ Music ]
>> Where's mommy?
Can you find me?
>> Cooing, which consists of vowel-like sounds,
typically emerges during the first two months of life.
>> Ba-ba-ba-ba-ba.
Oh, ba-ba-ba-ba-ba.
[ Baby Cooing ]
>> Ready? Ju-ju-ju-ju.
>> When adults talk to young infants, they use infant-directed speech,
which includes short simple sentences that are spoken in an exaggerated high pitch.
>> Going to pat the bunny.
Touch him; he's soft.
>> Cutie pie.
Are you a tickly girl?
That's a new noise, huh?
>> By approximately 6 months, infants begin to babble.
[ Baby Babbling ]
>> Ba-ba-ba-ba, ba-ba-ba-ba.
>> Ba-ba-ba-ba.
>> Say da-da.
>> Da-daddy.
>> Good!
>> Children's first words are spoken around one year.
>> Ball.
>> Yeah.
>> Ball, buh.
>> That's the ball.
>> Ball. Ball.
Ball.
>> Good. What's this?
>> Dat.
>> Good. Thank you.
>> Door.
>> Door good.
>> Can you show me the baby's eyes.
>> Eyes.
>> Can you show me the baby's nose?
>> Nose.
>> Can you show me the baby's mouth?
>> Mouth.
>> Where's the baby's hands?
>> Hands.
>> Hands, where's the baby's feet?
>> Between 18 and 24 months, children display a vocabulary explosion,
a period of rapid word learning.
At the same time, they begin combing words to form sentences.
>> Do you want to play with a different one?
>> That's beautiful.
>> I did it.
No-no-no triangle.
>> No-no-no?
Where do you want me to draw the triangle.
>> Triangle.
Triangle the green.
>> Oh, triangle in green.
>> Yes.
>> Okay.
>> I wrote this.
I wrote this.
I want to draw a baby.
>> Oh, yeah?
You like that idea?
>> You heard what I'm saying.
>> Do you want to hold the baby?
>> No.
>> No? Who should hold the baby?
>> Mommy hold the baby.
>> How about Ema [assumed spelling] holds the baby?
>> Ema [assumed spelling] hold the baby.