Fiona Gameson has been blind since she was about 3 and half years old, and since childhood has used echolocation to help navigate her surroundings. Echolocation is used by bats and dolphins and some other marine mammals to navigate and hunt their prey. It involves producing a sonar emission (mouth clicks in Fiona’s case) and listening to the echoes to hear and “see” their surroundings. Lore Thaler a lecturer at Durham University has been studying human echolocation and we hear about her work wit...
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