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    Scientists zap sleeping humans' brains with electricity to improve their memory

    Scientists have shown that deep brain stimulation during sleep can help people retain new information. The approach could help people with memory problems related to disorders like Alzheimer's.
    by Jon Hamilton Jun 02, 2023 2 minutes
    A new study finds that stimulating the brain during sleep can improve memory.

    A little brain stimulation at night appears to help people remember what they learned the previous day.

    A study of 18 people with severe epilepsy found that they scored higher on a memory test if they got deep brain stimulation while they slept, a team reports in the journal Nature Neuroscience.

    The stimulation was delivered during sleep, when the brain is thought to strengthen memories: the hippocampus and the prefrontal cortex.

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