A controversial new study found a noninvasive form of brain stimulation may reduce a person’s likelihood to engage in aggressive acts. But should it be used?

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Can a zap of electricity treat violent behavior in people? A recent study has found it may be possible.

Researchers found a noninvasive form of brain stimulation may reduce a person’s likelihood to engage in aggressive acts.

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“It’s hard to make the jump from intention to actuality,” said Hank Greely, a law professor at Stanford University and director of Stanford’s Center for Law and the Biosciences.

“What we’re worried about isn’t just the ideation, isn’t just the thinking about, ‘Boy, I’d really like to punch that person,’ [instead] it’s ‘Will you actually punch that person?’ That’s a genuinely harder issue to study,” said Greely, who wasn’t involved with the study.