Methods of sensory augmentation through electro-tactile stimulation of the tongue
Jeffs, A. and Warwick, K. (2011) Methods of sensory augmentation through electro-tactile stimulation of the tongue. In: 2011 IEEE International Conference on Systems, Man, and Cybernetics, 1-2 September 2011, 118-122 .
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This paper details an investigation into sensory substitution by means of direct electrical stimulation of the tongue for the purpose of information input to the human brain. In particular, a device has been constructed and a series of trials have been performed in order to demonstrate the efficacy and performance of an electro-tactile array mounted onto the tongue surface for the purpose of sensory augmentation. Tests have shown that by using a low resolution array a computer-human feedback loop can be successfully implemented by humans in order to complete tasks such as object tracking, surface shape identification and shape recognition with no training or prior experience with the device. Comparisons of this technique have been made with visual alternatives and these show that the tongue based tactile array can match such methods in convenience and accuracy in performing simple tasks.
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