Change blindness is slightly different from
inattentional blindness, where you are unable to see things happening just outside your attention. With change blindness, you don’t notice when things around you are altered to be drastically different than they were a moment ago.
You often miss large changes to your visual world from one moment to the next, but that’s not how it feels. It feels like you see everything, at all times, and you believe your memory and your perceptions are based on that totality of experience.
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Reality is generated by the brain based on the inputs coming in from your senses. You don’t get a raw feed from those inputs; instead, you get an edited version.
The best example of this is the person swap.
In an experiment conducted at Harvard, subjects had to approach a man and sign a consent form. He stood behind a tall desk, like at a hotel, and once they signed the form, the man behind the desk ducked under it to put away the form. Another man then stood up and handed them a packet of information. Many people didn’t realize it was a different person