Yawning: unsuspected avenue for a better understanding of arousal and interoception.

@article{Walusinski2006YawningUA,
  title={Yawning: unsuspected avenue for a better understanding of arousal and interoception.},
  author={Olivier Walusinski},
  journal={Medical hypotheses},
  year={2006},
  volume={67 1},
  pages={6-14}
}
Almost all the vertebrates yawn, testifying the phylogenetic old origins of this behavior. Correlatively speaking, yawning shows an ontogenical precociousness since it occurs as early as 12 weeks after conception and remains relatively unchanged throughout life. Thus, it is contended that these common characteristics and their diencephalic origin allow to… CONTINUE READING