Scientists Can Read Your Mind

By Scott C. Anderson
ScienceForPeople.com

You no longer have to go to Madame LeFoni's to have a mind-reading session. Scientists can read your mind too, at least a little. And what they see when they look into your mind is, well, thought-provoking.

How do those tricky scientists pull off this legerdemain? They use a special type of MRI (magnetic resonance imaging) that can measure minute flows of blood in your brain.

How does this spooky mind-reading trick work? It uses an intriguing aspect of MRI, namely that it can precisely locate specific types of molecules in a 3D space like your head (unless your head is only 2D -- in which case we can read what's on your mind by looking at your thought balloons).

So if you're thinking about a rib-eye steak smothered in mushrooms (never write articles when you're hungry), can these scientists see a picture of it in your brain?

Well, almost.

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