Can the body's most sensitive organ help the visually impaired 'see'? Mike Richardson aims to find out with his new study that investigates the potential of using the tongue to help the blind
, first developed in 1998, is one such technology. It converts a camera’s video feed into moving patterns of electrical stimulation on the surface of the tongue. The “tongue display” consists of 400 tiny electrodes, with each electrode corresponding to a pixel from a camera’s video feed.
While the BrainPort has been around for years, it hasn’t seen much real-world uptake, despite being ten times cheaper than a retinal implant. I use the BrainPort to test how human attention worksIn psychology research, there is a famous method to test attention, called the, named after the American psychologist Mike Posner who developed it in the 1980s to measure visual attention.
The sound of the wasp captures your auditory attention to the general location of the potentially incoming wasp so that the brain can quickly allocate visual attention to identify the exact location of the wasp, and tactile attention to quickly swat or move away from the wasp.Paying attention to the tongue
This is important because BrainPort is designed, built and sold to help people “see” through their tongue. But we need to understand if “seeing” with the tongue is the same as seeing with the eyes.
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