Biofeedback bracelet for stressed daytraders - Boing Boing

The EmoBracelet's galvanic skin response sensor measures the level of emotional arousal in a similar way to a lie detector. The result is displayed on either the bracelet or the EmoBowl as a light display that intensifies and changes to .... I wish there was some sort of portable electronic feedback gizmo (in my price bracket) that helped identify stress levels. I have a disease that is really touchy on stress levels, and having a visual feedback would be really helpful. ...