In what cat­e­go­ry does Brain Fit­ness fit? Edu­ca­tion, Pro­duc­tiv­i­ty and Train­ing, Health? Most of the inter­est so far has come from a Healthy Aging angle, but we are start­ing to see broad­er inter­est, as in the events below. After all, isn’t work­ing on our brains rel­e­vant to all those markets?. 2 busy weeks: I am…