Yep, that's why it's best to learn a new language by WRITING it out rather than listening to it or doing typing exercises.

This isn't to say you cannot learn new language pathways through typing/audio, it's just that you build the myelination process much quicker through writing for all the reasons named in the study.

You're connecting the idiosyncratic nature of the symbol with the idea it represents in an actual tangible way.

Obviously, typing is better for quickly getting thoughts out, but writing is far superior for building the foundations for mimetic libraries and recurring thought patterns.