Can people find their way with sound like bats? In a small but real way, yes. This skill is called human echolocation. A person makes a short click with the mouth and listens to the echo that comes back from walls, doors, poles, or cars. Studies have shown that expert blind echolocators can notice very small changes in distance, and a 10-week training study found that both blind and sighted adults improved a lot with practice. (journals.plos.org)

The newest study was published in eNeuro on April 6, 2026. Researchers from Smith-Kettlewell Eye Research Institute wanted to know how the brain builds a map from echoes. They tested blind expert echolocators and sighted beginners with virtual echoes made from realistic mouth clicks, while also recording brain activity with EEG, a test that measures brain waves. The experts were more accurate than the beginners. Also, for the experts, more clicks led to better performance. This means the brain seems to collect sound information step by step, instead of making one instant picture from a single echo. (sciety.org)

This new result matches earlier research on brain change. A 2024 study trained 12 blind adults and 14 sighted adults in echolocation for 10 weeks. After training, both groups showed changes in important hearing and “seeing” areas of the brain. In simple words, the brain became more sensitive to echoes. In 2025, researchers also described new special training sounds that may make echo cues easier for beginners to hear and may help people learn faster in the future. (pmc.ncbi.nlm.nih.gov)

So, can humans “see” with sound? Not in the same way as normal vision. But modern research shows that people can learn to use echoes in a useful way, and the brain can adapt in surprising ways. For blind people, echolocation may become an even stronger tool for safe and independent movement. For English learners, it is also a fun reminder: the human brain is amazing, and science is still discovering what it can do. (sciety.org)