Humans are more adaptable than you think: - echolocation in blind humans https://en.wikipedia.org/wiki/Human_echolocation https://en.wikipedia.org/wiki/Human_e

Humans are more adaptable than you think: - echolocation in blind humans https://en.wikipedia.org/wiki/Human_echolocation https://en.wikipedia.org/wiki/Human_echolocation - sight through signals sent on tongue https://www.scientificamerican.com/article/device-lets-blind-see-with-tongues/ https://www.scientificamerican.com/article/device-lets-blind... In the latter case, I recall reading the people involved ended up perceiving these signals as a "first order" sense (not consciously treated information, but on an intuitive level like hearing or vision).