It's possible. That would still fit the general premise that people can "rewire" their own brains through use. One of the leading theories of Synesthesia is tha

It's possible. That would still fit the general premise that people can "rewire" their own brains through use. One of the leading theories of Synesthesia is that different areas of the brain are not separated: https://en.wikipedia.org/wiki/Neural_basis_of_synesthesia#Cross-activation https://en.wikipedia.org/wiki/Neural_basis_of_synesthesia#Cr... It would follow that it is possible that they could then be rejoined as well.