Yes. Some blind people report being able to see things with sound and MRI scans show their visual cortex lighting up [1,2,3]. A 2019 paper [4] showed that the

Yes. Some blind people report being able to see things with sound and MRI scans show their visual cortex lighting up [1,2,3]. A 2019 paper [4] showed that the visual cortex of a blind echolocating person is lighting up in a comparable way to that of a sighted person. [1] https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3102086/ https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3102086/ [2] https://www.cbc.ca/news/science/blind-people-echolocate-with-visual-part-of-brain-1.1012642 https://www.cbc.ca/news/science/blind-people-echolocate-with... [3] https://en.wikipedia.org/wiki/Human_echolocation#Brain_areas_associated_with_echolocation https://en.wikipedia.org/wiki/Human_echolocation#Brain_areas... [4] https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6790759/ https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6790759/