Another aspect of this is that because we are exposed to enormous amounts of information in every waking moment, we have evolved ways to quickly filter out the things that we can safely ignore to focus on the ones that we need to act on.
However, this tendency to follow short cuts can mean that we develop blind spots, or cognitive biases, to give this its psychological term. Wikipedia provides this extensive list of cognitive biases. An example of one bias that has an impact on our interaction with others is ‘confirmation bias’. This is our tendency to readily accept information that agrees with a current template and to discount information that in some way contradicts it. This article describes 10 cognitive biases that distort our thinking, including confirmation bias.