Projects: Tactile vision substitution via the tongue (Tongue TVS)

Under construction.

This project demonstrated the feasibility of tactile vision substitution on the tongue.

Experimental results are published:

• E. Sampaio, S. Maris and P. Bach-y-Rita, "Brain plasticity: "visual" acuity of blind persons via the tongue," Brain Research, vol. 908, pp. 204-207, 2001.
• R. Kupers and M. Ptito, ""Seeing" through the tongue: cross-modal plasticity in the congenitally blind," International Congress Series, vol. 1270, pp. 79-84, 2004.
• H. Segond, D. Weiss and E. Sampaio, "Human spatial navigation in a visuo-tactile sensory substitution system," Peception, vol. 34, pp. 1231-1249, 2005.
• M. Ptito, S. Moesgaard, A. Gjedde and R. Kupers, "Cross-modal plasticity revealed by electrotactile stimulation of the tongue in the congenitally blind," Brain, vol. 128, pp. 606-614, 2005.

This technology is being commercialized as the BrainPort™ Vision Device by Wicab, Inc.