What Do You See First? What You Choose Says A Lot About You

 Birds or a face?

As neuroscientists have probed the human brain, they have catalogued a collection of many parallel modules, with complex interactions, most of which operate outside consciousness. Our subliminal mental processes operate outside awareness because they arise in these portions of our mind that are inaccessible to our conscious self; their inaccessibility is due to the architecture of the brain, rather than because they have been subject to Freudian motivational forces like repression.