Researchers are using brain-computer interfaces to aid the disabled, treat diseases like Parkinson’s and Alzheimer’s, and provide therapy for depression and post-traumatic stress disorder.

Work is under way on devices that may eventually let you communicate with friends telepathically, give you superhuman hearing and vision or even let you download data directly into your brain, a la “The Matrix.”

Note: A New York Times article says the Mindflex game uses GSR (galvanic skin response), countering the CNN article’s statement that the electrodes “monitor levels of concentration and relaxation… and move a ball up or down, depending on how hard you’re thinking” and Mattel’s claim that it “recognizes your brainwaves.” – Ed.