Most of us have had the experience of seeing something move out of the corner of our eye and then turning to find nothing but a wall. We then find ourselves questioning whether we really saw the mysterious something at all.
What if we should actually be questioning what we do see?
An article I recently read suggests there is a spot in the very center of our vision - the very center of each pupil - that is blank. In actuality our eyes perceive nothing in those two spots - our brains learn to fill in what it seems ought to be there.
Which has me wondering - what evolutionary default set our brains to fill in based on the surrounding scene. If we look at an empty blue wall, then obviously the entire wall must be empty and blue, so our brain fills in the empty spots with a flat surface of a blue color.
But what if that's not the case? What if those empty spots really allow us to pick up on another dimension? What if those childhood imaginary friends we are taught to outgrow live in that fourth dimension? What if upbringing causes us to "unlearn" an extra dimension? How do we recover that lost gift of extra sight?
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