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December 6, 2016 09:25 am PST

Gamers blindly navigate a digital maze with input only from brain stimulation

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In a new experiment at the University of Washington, test subjects navigated a virtual maze without seeing it. The only input they had were cues delivered in the form of magnetic zaps to the backs of their heads, stimulating particular regions of their brains. From UW Today:

The subjects had to navigate 21 different mazes, with two choices to move forward or down based on whether they sensed a visual stimulation artifact called a phosphene, which are perceived as blobs or bars of light. To signal which direction to move, the researchers generated a phosphene through transcranial magnetic stimulation, a well-known technique that uses a magnetic coil placed near the skull to directly and noninvasively stimulate a specific area of the brain.

The way virtual reality is done these days is through displays, headsets and goggles, but ultimately your brain is what creates your reality, said senior author Rajesh Rao, UW professor of Computer Science & Engineering and director of the Center for Sensorimotor Neural Engineering.

The fundamental question we wanted to answer was: Can the brain make use of artificial information that its never seen before that is delivered directly to the brain to navigate a virtual world or do useful tasks without other sensory input? And the answer is yes.

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Original Link: http://feeds.boingboing.net/~r/boingboing/iBag/~3/nxIrykRKWAc/gamers-blindly-navigate-a-digi.html

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