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 ...
Contagious yawning is associated with the same parts of the brain that deal with
empathy, according to a recent study. Learn about contagious yawning.
Sep 15, 2010 ... Contagious yawning gets at the ancient, deep, and subconscious roots of
empathy and social bonding. - Yawns become contagious around ...
Yawning has subsequently become contagious behaviour because it improves
the survival function of herds. If there is some potential danger nearby, the ...
Aug 24, 2015 ... People high in psychopathic personality traits often don't "catch" the contagious
yawn, a new study finds.
www.ask.com/youtube?q=Why Is Yawning Contagious?&v=4NpG4F9yq00
Nov 7, 2013 ... View full lesson: http://ed.ted.com/lessons/why-is-yawning-contagious-claudia-
aguirre *Yaaawwwwwn* Did just reading the word make you ...
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.
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 ...
Aug 17, 2015 ... Psychopaths May Be Immune To Contagious Yawning. Those who lack empathy
don't seem to “catch” yawns like the rest of us do. 08/17/2015 ...