EEG

For those of you lacking in the basics of EEG, there's a nice summary over at Brain in a Vat. EEG is the darling technology (along with EOG and EMG) of non-invasive BCIs and those trendy video game controller junkers. Of course, you're getting the activity of millions of cells, so you get what might be called a computational "schmear" of intention. Check it out! (This is actually their "Method of the Month". And I thought Super Paper Friday was a dorky name.)