I have been having very uncomfortable sensations in my head sometimes it feel like cold icy water runnung down my right side of my scalp sometimes it feels like a icy grip it comes ad goes I have had MRI and been to see a nurooligst but everything is normal I did have a small stroke in Jan of 2007 and had a stent put in my neck but everything seems okay now I have been going to a chriopractor who said I had pariseizure which is the nerves and I am having laser I have had two treatments but does not seem to be getting better. Has anyone else ever had anything like this and can anything be done