Why do we YAWN?

Written By Susi Shelium

Sources and references for the latest Youtube video about why we YAWN and why YAWNING is infectious.

  • Gallup, A. C.; Gallup G. Jr. "Yawning as a brain cooling mechanism: nasal breathing and forehead cooling diminish the incidence of contagious yawning." Evolutionary Psychology 5, 2007.

  • Gallup, A. C.; Eldakar, O. T. "The thermoregulatory theory of yawning: what we know from over 5 years of research." Frontiers in neuroscience 6, 2013, 188.

  • https://www.youtube.com/watch?v=cuB6dOPCNBs

Susi Shelium
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