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Slide shows a screen grab from an animation of the human brain from the Catalyst TV show in Australia with the visual cortex area at the rear of the brain lighting up in a red color., and a red pulse line depicting an outgoing echolocation click and the returning echo. A series of echolocation sonar waves by Simon Crowhurst are superimposed emanating from a white, right-side silhouette of Daniel Kish walking with a full length cane while wearing a backpack. The banner text reads: MRI research shows our Flash Sonar echolocation lights-up the brain's visual cortex.

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