The AP reports on the development of devices that attach to a person's head that enables someone else to have limited control over that person's movements. Writer Yuri Kageyama notes:
A special headset was placed on my cranium by my hosts during a recent demonstration at an NTT research center. It sent a very low voltage electric current from the back of my ears through my head — either from left to right or right to left, depending on which way the joystick on a remote-control was moved.
I found the experience unnerving and exhausting: I sought to step straight ahead but kept careening from side to side. Those alternating currents literally threw me off.
The technology is called galvanic vestibular stimulation — essentially, electricity messes with the delicate nerves inside the ear that help maintain balance.
I felt a mysterious, irresistible urge to start walking to the right whenever the researcher turned the switch to the right. I was convinced — mistakenly — that this was the only way to maintain my balance.
The phenomenon is painless but dramatic. Your feet start to move before you know it. I could even remote-control myself by taking the switch into my own hands. . . .
It's a mesmerizing sensation similar to being drunk or melting into sleep under the influence of anesthesia. But it's more definitive, as though an invisible hand were reaching inside your brain.
NTT says the feature may be used in video games and amusement park rides, although there are no plans so far for a commercial product.
Less jovially, the article also notes interest in the technology for purposes of law enforcement and military use.
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