[posterboy]

I didn't express clearly. They scanned the brain and recreated some part of what the person sees.

1. http://news.berkeley.edu/2011/09/22/brain-movies/

2. http://gallantlab.org/_downloads/2011a.Nishimoto.etal.pdf

Spoilers: It is fMRI, indeed.

I'm not sure if the scan is inaccurate or the representation within the brain, but I suppose it had to be more accurate than just a fuzzy area.