Galvanic Vestibular Stimulation

GVS

Galvanic [gal-van-ikvestibular [ve-stib-yuh-lerstimulation (GVS) is the process of sending electric messages to a nerve in the ear that maintains balance. This technology has been investigated for both military and commercial purposes, and is being applied in Atsugi, Japan, the Mayo Clinic in the US, and a number of other research institutions around the world for use in biomedical engineering, pilot training, and entertainment.

A patient undergoing GVS noted: ‘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.’

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