Facial muscles?

Would any of the simple ECG or EMG circuits work for easily determining if
someone was flaring their nose, pursing lips, smirk, etc?  I don't need all
at the same time, just one.

I've tried the Epoc Emotiv device and all it did was give me a pressure
point headache and a sore jaw.  I couldn't get any of the expressive
detection to work reliably.  Only smile, but with biting my teeth...sore
jaw...  Tried to play angry birds and I got angry.  : )

If I had ONE, or two if possible, on/off detectable event then I could
combine that with a 3 axis accelerometer and gyro to get the inputs that I
need.  I'm trying to make a Wii video game interface for my father with
ALS.  He currently doesn't have the finger strength to push any buttons.

Thanks,
Grant

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