Why do you yawn when other people yawn

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There are a few theories as to why we yawn, but none have determined why when one person yawns it often spreads. ChaCha for now. [ Source: http://www.chacha.com/question/why-do-you-yawn-when-other-people-yawn ]
More Answers to “Why do you yawn when other people yawn
Why do we yawn when we see other people yawn??
http://www.answerbag.com/q_view/154781
Our bodies induce yawning to draw in more oxygen or remove a build-up of carbon dioxide. This theory helps explain why we yawn in groups. Larger groups produce more carbon dioxide, which means our bodies would act to draw in more oxygen and…
Why do some people yawn when they see others yawn??
http://sg.answers.yahoo.com/question/index?qid=20081114200719AAL2h87
This circuitry is called the “mirror-neuron system,” because it contains a special type of brain cells, or neurons, that become active both when their owner does something, and when he or she senses someone else doing the same thing. Mirror…
Do you yawn when you see other people yawning?
http://www.mylot.com/w/discussions/1514086.aspx
Yeah, I yawn when I see other people doing that, but not always. But, I also like to yawn whenever people are talking about yawning and I get to thinking about yawning. I may start yawning while I’m writing this. I don’t think it has anythi…

Related Questions Answered on Y!Answers

Why do I yawn when other people around me yawn?
Q: Its contagious I know but why? They say that you yawn when your brain isn’t getting enough oxygen, so why when other people yawn do I?
A: It’s a reflex.Read this article.http://www.guardian.co.uk/education/2003/jul/31/research.highereducation4
Why do you tend to yawn when you see other people yawn?
Q: I notice that people tend to yawn when they see another people yawn. Is it some chemicle that spread when we yawn that trigged another to yawn?
A: Nice question…..The yawn reflex is often described as contagious: if one person yawns, this will cause another person to “sympathetically” yawn.The proximate cause for contagious yawning may lie with mirror neurons, i.e. neurons in the frontal cortex of certain vertebrates, which upon being exposed to a stimulus from conspecific (same species) and occasionally interspecific organisms, activates the same regions in the brain.Mirror neurons have been proposed as a driving force for imitation which lies at the root of much human learning, e.g. language acquisition. Yawning may be an offshoot of the same imitative impulse. Hope this helps you a little
why do people yawn when they see other people yawn?
Q: because when ever i see someone yawn i yawn.and when someone see’s me yawn they yawn.how does that happen?
A: There are mirrors in the brain.This circuitry is called the “mirror-neuron system,” because it contains a special type of brain cells, or neurons, that become active both when their owner does something, and when he or she senses someone else doing the same thing. Mirror neurons typically become active when a person consciously imitates an action of someone else, a process associated with learning. But they seem to play no role in yawn contagiousness, the researchers in the new study found. The cells are have no extra activity during contagious yawning compared with during other non-contagious facial movements, they observed.Brain activity “associated with viewing another person yawn seems to circumvent the essential parts of the MNS [mirror neuron system], in line with the nature of contagious yawns as automatically released behavioural acts—rather than truly imitated motor patterns that would require detailed action understanding,” wrote the researchers, with the Helsinki University of Technology and the Research Centre Jülich, Germany. The findings are published in the February issue of the research journal Neuroimage.But if seeing someone yawn doesn’t activate these centers, what does it do to the brain? The researchers found that it appears to strongly activate at least one brain area, called the superior temporal sulcus. But this activation was unrelated to any desire to yawn in response, so it may be irrelevant to the contagion question, the researchers added.
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