The neural basis for a preference of yawning is apparent in babies as young as 5 months.
Researchers investigate the biological aspects of yawning and consider why yawning is so contagious.
Perceptual ability is more closely related to contagious yawning than empathy, researchers find.
According to a new Current Biology study, contagious yawning is triggered by primitive reflexes in the primary motor cortex.
According to a new study, those with psychopathic characteristics are less likely to react to a contagious yawn as their more empathetic peers.
