[sfrigon]

I've read somewhere that this is a mechanism to supress the signals sent by the tongue. The tongue is so sensitive that it can perturb our brain somehow, but once compressed it is only seen as noise, which the brain is then capable to ignore and concentrate on the actual task.

[amelius]

Interesting. Would there be another way to quiet these signals?

[sfrigon]

I do not know sorry. FYI it was taken from this source (French podcast), if you want to dig further (and somehow you find a way to translate it ;) )

https://ici.radio-canada.ca/ohdio/premiere/emissions/moteur-...