I've called the nice lady about the study I mentioned earlier. Got no feedback from my specialist about whether or not it's a good idea, but the coordinator knows my specialist (the researcher is his boss) so hopefully that will all get clarified.

There's compatibility to be determined. Something about a grade 5. That may refer to the size of the hole--I don't think mine was big, all things considered. I just googled pfo grade and my head exploded. You have been warned. Anyway, none of those links mention a grade 5 that I saw, so I don't know what that means.

She's advised me to keep a headache diary, since they'll need 30 days of diary before they get started. This is as good a place as any.