Human propensity for contagious yawning triggered by primitive reflexes in the brain, research suggests

Human propensity for contagious yawning triggered by primitive reflexes in the brain, research suggests:

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Feeling tired? Even if we aren’t tired, why do we yawn if someone else does? Experts at the University of Nottingham have published research that suggests the human propensity for contagious yawning is triggered automatically by primitive reflexes in the primary motor cortex – an area of the brain responsible for motor function.

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