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I recently attended a talk by Dr. Nina Kraus of Northwestern University [1], her main thesis was exactly that, based on evidence from many studies: playing music (even badly) has an incredible effect on cognition. In particular on speech comprehension, which of course has a strong relationship with rhythm [2].

[1] http://www.brainvolts.northwestern.edu/ [2] https://www.youtube.com/watch?v=INt4GGr-EGU



Did singing count? Improvisation (on an instrument)?

Or did it have to be more formal, e.g. sight-reading; aiming at a specific performance.

Found her page, but there's a lot of material there.http://www.brainvolts.northwestern.edu/projects/music/index....




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