I use working memory reason for DD to practice. The gross motor skills, the fine motor skills and the reading of the music combined make for working memory increases. (went to the lecture) And why only piano and strings have the increases. Not brass, or drums or vocal lessons. They tried acting lessons too in the study, which improved confidence but nothing for IQ.
On a side, DD happens to be a bit of prodigy on the piano and math is definitely her most gifted part. And she is visual spatial. And for many of the noted "genius'" they do have the piano ability and tend to be math/physic gifted, like Kit Armstrong, Per Enflo. And did you know that Terrance Tao has a brother, Trevor, with double degrees in music and math. He is an autistic savant. I think that is really interesting if you want to look at a developmental connection.
Ren
