Here's the uncut brain/eye sequence
http://www.youtube.com/watch?v=c2zxLA42x4Q
I was quite upset to hear that the MGM DVD had this bit cut, but after watching it, I really don't think that the story, or anything for that matter, suffered from it being cut. With the exception of the brain scooping, it looked incredibly fake.
"I want you BLEEDERS!"