Categorized In: Conditions & Illness , Health , Biology
Source: Why is yawning contagious? | health.howstuffworks.com
Sep 30 2009, 06:52pm
Some current theories focus on yawning as a social cue (like laughing) that communicates information and helps organize ...more?
In an effort to find the answer, the Finnish government funded a brain study. The results confirmed it is unconscious. ChaCha on!
Seeing someone yawn activates the superior temporal sulcus in the brain which causes us to mirror actions, hence it's contagious.
In an effort to find the answer, the Finnish government funded a brain study. The results confirmed it is unconscious. ChaCha on!