I also have very vivid, full technicolor dreams and always have. My dad has been very red/green colorblind all his life and I think he told me years ago that he dreams in black and white. Don't know if there is any connection there, but I guess not if most people dream in black and white (how boring!) LOL
Maybe we should be brain researchers - I find all this fascinating!
Seizure meds are apparently used to help some migraine sufferers. This is another whole fascinating subject, isn't it?