"A team from California have shown that it's possible to control images on a screen using just the power of thought. Working with patients who had electrodes implanted for surgery, they fed signals from the patient's brains into a computer, and then watched as they learnt how to use these signals to fade in an image of Marilyn Monroe, or fade out Michael Jackson" (yt)
More on:
http://www.nature.com/news/2010/101027/full/news.2010.568.html ( 'Marilyn Monroe' neuron aids mind control - 27 october 2010)
Full Nature article available on : http://www.nature.com/nature/journal/v467/n7319/full/nature09510.html (paid / subscription acces only)