Seems a solid theory...i know after a night of solid math I feel like a member of an undead horde myself...

But on topic, I was researching the effects of stimuli to the senses last night and I came across this

http://www.annieappleseedproject.org/patofopnaus.html

While most of it sounds like gobbledygook...it seems interesting when you consider the effects ground zero has on normal inside the "danger zone"...