NeuroSky is turning brain-computer interfaces into cheap, ubiquitous consumer items, including Christmas competitors like Mattel’s $80 Mindflex and Uncle Milton’s $130 Force Trainer, both of which involve levitating a ping-pong-like ball.

NeuroSky plans to develop brain-wave sensors for the automotive, health-care and education industries.

It’s not clear if or how ambient noise and EMG artifacts from the forehead muscles are removed in a non-laboratory setting. – Ed.