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Predicting the future, this is the bridge that often appears in science fiction movies. However, the latest study published in the journal Scientific Reports proves that such cool skills are human, and our brains can predict what our eyes will see.
Recently, neuroscientists at the University of Glasgow have developed a deeper understanding of visual mechanisms by studying functional magnetic resonance imaging (fMRI) and have seen a continuous two-way dialogue between the brain and the eye.
The study, led by Professor Lars Muckli of the University of Glasgow, uses fMRI and optical illusions to prove that when the eye moves next, the brain predicts what it can see.
Specifically, the optical illusion involves two still blinking squares, because the brain predicts motion, so the observer is treated as a square that moves between these two positions. During these flashes, the researchers asked participants to move their eyes. The researchers then imaged the participants' visual cortex and found that their predictions of exercise were updated to new spatial locations in the cerebral cortex as eye movements changed.
Usually we move our eyes about 4 times per second, which means our brain needs to process new visual information every 250 milliseconds. However, the world still looks stable, because our brains are prepared for the rain. In other words, the brain can predict what you will see when you move your eyes.
Professor LarsMuckli of the Institute of Neuroscience and Psychology said, "This study is very important because it proves that fMRI can contribute to the field of neuroscience research. In addition, finding a viable brain function mechanism will help brain computing. And artificial intelligence, as well as helping us investigate mental illness."
The study also revealed the potential of fMRI to contribute to the field of neuroscience, as the authors were able to find that the processing difference of only 32 milliseconds is much faster than the commonly considered fMRI.
Dr. Gracie Edwards said, "Visual information is received from the eye and processed by the brain's visual system. We call visual information a "feedforward" input, and the brain sends information to the visual system. This information is called "feedback."
Based on our memory of similarly perceived events, feedback can affect our perception of feedforward inputs. Feedforward and feedback information interact to produce visual scenes that we feel every day. â€
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