- May 7, 2011
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This is one of the reasons I got into psychology. I love the concept that what we see isn't what is real.Our brain had to cut back on some basics to allow us greater processing power. Our eyesight is imperfect, but good enough to save us from dangerous creatures and find food.
There are gaps, which our brain fills in for us. This is the reason for pareidolia, where we see see images in objects - like Jesus on a piece of toast, and why we can filter out things like spots on a windscreen. Animals like birds can see a greater spectrum of colours; but our perception is good enough for us to be able to detect objects, hunt, and make things. It is also why magicians can fool us with illusions.
There's a brilliant book written by David Eagleman (Neuroscientist) called "The Brain" that I highly recommend to anyone. There's also an audio book of it on Audible. He narrates the audio book himself and he's really good at it. The book goes into details about some of the most interesting neurological stuff, but it's written in a way that literally anyone can understand it.