A yawn is a reflex consisting of the simultaneous inhalation of air and the
stretching of the ... This "contagious" yawning has also been observed in
chimpanzees, dogs, and can occur acros...
Mar 16, 2014 ... About half of adults yawn after someone else yawns due to a universal
phenomenon called “contagious yawning.” Researchers at Duke ...
Update (Jan 2016): I wrote this answer several years ago. Though it currently has
accumulated .... Contagious yawning is considered to be the result of activation of
a particular set of neurons termed mirror neurons( Mirror neuron ) in primate ...
Jul 8, 2016 ... People high in psychopathic personality traits often don't "catch" the contagious
yawn, a new study finds.
Jun 10, 2013 ... We all do it, and we all know it has at least something to do with how tired we feel
. But unlike sleep apnea or laptops in the bedroom, yawning is ...
Aug 17, 2015 ... Those who lack empathy don't seem to "catch" yawns like the rest of us do.
Jun 28, 2013 ... Pinpointing exactly why we yawn is a tough task, but the latest research suggests
that our sleepy sighs help to regulate the temperature of our ...
Jul 5, 2007 ... Rather than being a precursor to sleep, yawning is designed to keep us awake,
say US researchers. But why does seeing someone else yawn ...
Sep 15, 2010 ... Contagious yawning gets at the ancient, deep, and subconscious roots of
empathy and social bonding.
When you yawn, you equalise the pressure in your middle ear. This causes a
small, localised pressure change around you, which affects others in the vicinity ...