Babies Laughter Explained

You may have seen the video below, of a baby laughing hysterically, on YouTube but do you know why such a simple act is so funny to the baby?

In this video brought to us by the Discovery Channel, Dr. Alan Sroufe fills us in on the joke.

According to Dr. Sroufe, babies begin to laugh at around 4 months old and are usually in hysterics over things that are physically vigorous.  Older babies, however, laugh at things that are a little more complex.  Here the baby finds the ripping of the paper so funny because it’s not something she would normally see.  In the video,  Dr. Sroufe states that Most things that make babies laugh when they are older are these incongruities.

For more information on babies and their emotional and physical growth you can read our past blogs, “Baby Face” and “Face Development in the Womb

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