So I was watching NOVA last night and they were putting people in MRI machines while they listened to a song then again while they thought about listening to the same song. They scanned changes is brain activity during each session. This makes me wonder, couldn’t they do multiple tests to find patterns in brain activity for specific songs, then use them as templates to “read” the mind? Like, if the top of the brain is most active during “Moonlight Sonata” and the bottom right during “Sweet Home Alabama”, then when you see that in a scan, you can guess that they are either listening to the song, or thinking about it. Could you imagine if this was used? Pretty cool, huh?