Here’s how we should regulate brain enhancement devices

“Until recently, it had been the preserve of the DIY tDCS community: people would construct their own devices from batteries, wires and electrodes,” Maslen says. “Now, an online market has emerged for whole-unit devices specifically manufactured for non-therapeutic tDCS.” Demand appears to be highest from gamers, who are looking for a hidden edge, whether it’s greater focus or faster reaction times.

Until laboratory experiments prove conclusively that these devices can improve certain cognitive functions in healthy individuals, say the Oxford researchers, the primary regulatory principle should be that all cognitive enhancement devices — even ones not marketed for medical and therapeutic purposes — should be regulated as medical devices.

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