He knows if you've been naughty. Is it Santa? Or just your daughter's new teddy bear?
Engineers at NeuroSky, Emotiv, and CyberLearning are betting on the next big thing in interactive play - toys that read your child's very brain waves and adapt play based on the results.
In the offices of NeuroSky, the lightsaber on a Darth Vader toy lights up, controlled remotely by a user's brain waves. It is biofeedback writ large.



