Mental Block
From: IEEE Spectrum Online - 01/08/2009
By: Douglas Heingartner 

Controlling objects with just your thoughts has been a dream of sci-fi from
Star Trek to Star Wars, but in the past few years that dream has inched
closer to reality. Brain-computer interfaces have allowed wheelchair-bound
quadriplegics to move cursors on screens and monkeys to control robot arms. 

Now a San Francisco-based company called Emotiv Systems is trying to bring
the technology to PC game applications. It had planned to release its Epoc
headset, a plastic frame dotted with 16 electrodes, in time for Christmas,
but now the company says only that it’ll put the thing on sale "soon," for
about $300.  

Read the entire article at:
http://www.spectrum.ieee.org/jan09/7086

Links:
Emotiv
http://www.emotiv.com/