Hi Calluna, Nice to see you here, but terrible to learn about your headaches. Some very interesting and talented people have reported experiences similar to yours: here's an article that describes the aura surrounding both migraines and epileptic seizures--in Dostoyevsky, Picasso and Chopin (boy, you're in good company!)

I think the taichi experience makes a lot of sense. You're surrendering, in a sense, your focused driven self. Sounds tempting :)

Thanks again for stopping by. Always good to hear how a creative experiences thought and inspiration.