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...
Jun 11, 2015 ... What is yawning? And why do we do so much of it? Neuroscientist and yawn
expert Robert Provine says it's “ancient and autonomic.” It stems ...
Contagious yawning is associated with the same parts of the brain that deal with
empathy, according to a recent study. Learn about contagious yawning.
Update (Jan 2016): I wrote this answer several years ago. Though it currently has
accumulated ... Mirror neuron activity during contagious yawning--an fMRI study.
Contagious Yawning May Not Be Linked to Empathy; Still Largely Unexplained
Aug 17, 2015 ... Those who lack empathy don't seem to "catch" yawns like the rest of us do.
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 ...
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 ...
Dec 10, 2014 ... Why do we yawn? The center of many a scientific study, researchers have
several theories about the science behind this contagious ...
Dec 15, 2011 ... Ever wonder why we yawn or why yawning is contagious? We take a look at the
most popular answers to this frequently asked question.
May 17, 2012 ... When is a yawn just a yawn? When is a yawn more than a yawn? Contagious
yawning - the increase in likelihood that you will yawn after ...