Yeah, what is the reason why she is in color when you look away? That is pretty cool. One of the PHd's on getbig should explain, that is, if they're not too busy banging their supermodel girlfriend, or benching 600lbs.
It readjust your eyes, to a new set of normal, your brain is still in that mindset when you look away. Your brain actively creates an image when you blink it sets your brain in overdrive and it tries to fill in the gaps.
I know I'm doing a shit job of explaining it, but your brain is more part you than your on contiousness.
I.E. you see feel and think exactly what your brain gives you. Your ego or regular level of thought simply filters through what the different parts of the brain give you.