3 doctors weighed in:

Why do people make others yawn when they yawn?

3 doctors weighed in
Dr. Donald Haupt
Psychiatry
2 doctors agree

In brief: No definite answer

Contagious yawning has been known since at least the 16th century, but there has yet to be an explanation that stood up under testing.
The best was that people have a grouping of "mirror neurons" in their brains that do imitative behaviors, but recent studies show that these neurons aren't activated during contagious yawning. It remains somewhat of a mystery.

In brief: No definite answer

Contagious yawning has been known since at least the 16th century, but there has yet to be an explanation that stood up under testing.
The best was that people have a grouping of "mirror neurons" in their brains that do imitative behaviors, but recent studies show that these neurons aren't activated during contagious yawning. It remains somewhat of a mystery.
Dr. Donald Haupt
Dr. Donald Haupt
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