Seeing with Sound When cortical activation for sound with and without echoes is imaged in a blind echolocator, only the visual cortex shows activation (left) relative to the auditory cortex (right).
Research from Thaler, L., Arnott, S. R., & Goodale, M. A. (2011), Neural correlates of natural human echolocation in early and late blind echolocation experts. PLoS ONE, 6, (5)e20162. doi:10.1371/journal.pone.0020162