Stimulus plan?

It may sound unusual, but it’s true: In recent years a growing number of people have been hooking their heads up to electrodes, in an attempt to stimulate their brains using a direct electrical current. Some of them do this via homemade devices; others may be using a new direct-to-consumer kit that just hit the market. But why, exactly, are people doing such a thing at all? And to what extent should this practice — seen only in research labs until a few years ago — be regulated? The first question is easier to answer than the second, according to Anna Wexler, a PhD student in MIT’s Program in Science, Technology, and Society, who had two new papers on the subject appear in academic journals this fall. Following lab research…


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