Positron emission tomography (PET) scans the brains of peopl…
Positron emission tomography (PET) scans the brains of people who have been blind since birth. These scans reveal high neural activity in the visual centers of the cerebral cortex when these people read Braille. When sighted individuals run their fingers over the raised letters of Braille, their visual centers do not show increased activity. Explain these findings.