Children with Autism Dont Yawn Contagiously

Children Under Four and Children With Autism Don't Yawn Contagiously

From Dr. Rotenberg - Fascinating news on a subconscious social behavior.

ScienceDaily (Sep. 16, 2010) — If someone near you yawns, do you yawn, too? About half of adults yawn after someone else does in a phenomenon called contagious yawning. Now a new study has found that most children aren't susceptible to contagious yawning until they're about 4 years old -- and that children with autism are less likely to yawn contagiously than others.

http://www.sciencedaily.com/releases/2010/09/100915080427.htm