On the subject of how we subconsciously filter the information that we see, from the article, How Filter Bubbles Distort Reality: Everything You Need to Know,
The term “filter bubble” refers to the results of the algorithms that dictate what we encounter online. According to Eli Pariser, those algorithms create “a unique universe of information for each of us … which fundamentally alters the way we encounter ideas and information..
…One of the great problems with filters is our human tendency to think that what we see is all there is, without realizing that what we see is being filtered.
via Farnam Street