Scientists Watch A Memory Form In A Living Brain

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In young zebrafish, brains change rather drastically after forming a fear-induced memory. Scientists were able to see what happens during memory formation in the fish after genetically engineering them to have fluorescent brains. The fish learned that bright light meant scorching heat, and the scientists compared what their brains looked before and after. They saw that some neurons (brain cells) looked like they had been torn from one area and grafted to another, suggesting that fear-induced memories fundamentally change brain structure. Read full article here

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