Missing the mind's eye view

[image error]Discover magazine has a fantastic Carl Zimmer piece about a man who lost the ability to see things in his mind's eye after a minor neurological procedure.

Zimmer covers a recently published study on patient MX who lost his conscious visual imagery but could still do tests, like mental rotation, that were assumed to need the ability to mentally picture the procedure to work it out.

All the exams the scientists gave MX confirmed his claim that he was missing his mind's eye. And yet he could do...