Why is yawning contagious?
[4:28]
*Yaaawwwwwn* Did just reading the word make you feel like yawning yourself? Known as contagious yawning, the reasons behind this phenomenon have been attributed to both the physiological and psychological. It’s been observed in children as young as four and even in dogs! Claudia Aguirre visits the many intriguing theories that might explain contagious yawning.
[Source: Ted-Ed YouTube link]Related Videos
Dr. Gregory Hickok: The Myth of Mirror Neurons
May 08, 2018
A Neuroscientist Explains What Caffeine Does to Your Brain
November 04, 2017
Helen Pearson: Lessons from the longest study on human development
October 25, 2017
Sleep and Aging – Research on Aging
October 07, 2017
Preventive Cardiology
October 07, 2017