The tongue controller device looks set to revolutionize the world of quadriplegics by providing them with the ability to operate external devices like wheelchairs and computers thanks to a tiny magnet that is no larger than a grain of rice being attached to the patient’s tongue with tissue adhesive. Any movement of this magnetic tracer will be detected by an array of magnetic field sensors mounted on wireless headphones worn by the subject, where the output signals will then be sent to a portable computer wirelessly (which is located on the wheelchair, of course). These signals will be processed, determining the relative motion of the magnet to the bunch of sensors in real-time, resulting in movement control on a computer display or even controlling the joystick in a powered wheelchair. Hopefully such technology will be made availabe and affordable to the masses in the near future.
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