Editing Human echolocation (section)

===Ben Underwood===
[[File:Ben underwood.jpg|thumb|right|Ben Underwood]]
Ben Underwood was a blind American who was born on January 26, 1992, in [[Riverside, California]]. He was diagnosed with [[retinal cancer]] at the age of two, and had his eyes removed at the age of three.{{sfn|ABC News|2006}}

He taught himself echolocation at the age of five, becoming able to detect the location of objects by making frequent clicking noises with his tongue. This case was explained in ''20/20: Medical Mysteries''.{{sfn|Moorhead|2007}} He used it to accomplish such feats as running, playing basketball, riding a bicycle, rollerblading, playing football, and skateboarding.{{sfn|Schorn|2006}}<ref>{{cite journal |url=https://people.com/archive/the-boy-who-sees-with-sound-vol-66-no-4/ |volume=66 |number=4 |title=The Boy Who Sees with Sound |magazine=People Magazine |first=Alex |last=Tresniowski |date=2006-07-24}}</ref> Underwood's childhood eye doctor claimed that Underwood was one of the most proficient human echolocators.

He inspired other blind people to follow his lead. He died of cancer in 2009.<ref>{{Cite web |date=2009-01-20 |title=Teen Who Used Echolocation Dies Of Cancer |url=https://www.kcra.com/article/teen-who-used-echolocation-dies-of-cancer/6377728 |access-date=2025-04-29 |website=KCRA |language=en}}</ref>