Articles on Nerve signal

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That pins-and-needles feeling can come from sitting in the same position for a while. Westend61 via Getty Images

What happens when your foot falls asleep?

An exercise physiologist explains how it’s a problem of communication between your brain and your body.
A subject plays a computer game as part of a neural security experiment at the University of Washington. Patrick Bennett

Helping or hacking? Engineers and ethicists must work together on brain‑computer interface technology

BCI devices that read minds and act on intentions can change lives for the better. But they could also be put to nefarious use in the not-too-distant future. Now’s the time to think about risks.

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