Scott Adams writes,
I have been saying since Trump’s election that the world has split into two realities – or as I prefer to say, two movies on one screen – and most of us don’t realize it. We’re all looking at the same events and interpreting them wildly differently. That’s how cognitive dissonance and confirmation bias work. They work together to create a spontaneous hallucination that gets reinforced over time. That hallucination becomes your reality until something changes.
This phenomenon has nothing to do with natural intelligence. We like to think that the people on the other side of the political debate are dumb, under-informed, or just plain evil. That’s not the case. We’re actually experiencing different realities. I mean that literally.
Read more here.