Researchers at the University of California, Berkeley and the University of Aberdeen discovered that the human brain shows images from seconds in the past, instead of an updated real-time picture.
on Jan. 26. "In other words, the brain is like a time machine which keeps sending us back in time. It’s like an app that consolidates our visual input every 15 seconds into one impression so that we can handle everyday life. If our brains were always updating in real time, the world would feel like a chaotic place with constant fluctuations in light, shadow and movement. We would feel like we were hallucinating all the time.
The researchers asked participants to view close-ups of faces morphing chronologically in age in 30-second timelapse videos. The researchers found people are continuously biased toward the past and so the brain constantly sends them back to the previous 10 to 15 seconds, so the brain can help discern reality better.
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