The Brain Has a ‘Low-Power Mode’ That Blunts Our Senses

When our phones and computers run out of power, their glowing screens go dark and they die a sort of digital death. But switch them to low-power mode to conserve energy, and they cut expendable operations to keep basic processes humming along until their batteries can be recharged. Our energy-intensive brain needs to keep its lights on too. Brain cells depend primarily on steady deliveries of the…

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