I’m working on a story that’s almost due. It’s going well. I’m almost finished. But then everything falls apart. I get an angry e-mail from a researcher who’s upset about another article. My stomach knots up. My heart pounds. I reply with a defensive e-mail and afterward can’t stop mentally rehashing my response. Taking deep breaths and a short walk don’t help. I can’t focus on finishing my story, and as the deadline approaches, that makes me more uptight and it gets even harder to write.

But then I apply electrodes to my head and neck, power up a small electronic device, and shock myself. Within a few minutes I calm down. I can focus on my story. I meet the deadline.

The device, which you’ll be able to buy later this year for a price that has yet to be disclosed, was developed by a team of neuroscientists and engineers at the startup Thync. It’s a small, curved piece of plastic that snaps onto electrodes and produces pulses of electricity. A wireless signal from a smartphone app controls the frequency and intensity of the pulses, gradually changing them in five- to 20-minute long programs that Thync calls vibes. The amount of electricity it produces is small—once it’s set up properly, I can barely feel it. Yet Thync says it has a marked impact on key parts of a person’s brain. An energy vibe, the company contends, can make you feel as if you’ve just had a Red Bull or similar energy drink. The calm vibe—the one I just ran—is for “whenever you’re frustrated, anxious, or stressed.”

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