Blindsight

No longer just an abstract Dungeons and Dragons concept, a recent medical discovery shows that humans do indeed have a subconscious spacial awareness system. In a situation where a subject had working eyes but no functioning visual cortex to actively interpret what they saw(rendering them clinically blind),emotional recognition and the navigation of an obstacle course still proved possible. While "blindsight" should prove to be no surprise to anyone who has thankfully awoken in their bed after an immemorable night of drinking, it does questions our pre-concieved exemptions of taste for the person that woke beside us.

Here is the full article.

http://seedmagazine.com/content/article/seeing_in_the_dark/