This is a VERY old diagram. It shows how the design was intended 3 years ago.
If your going to cite diagrams, use one from the actual product.
As for previous comments on "conductive goo", the emotive epoc uses felt pads with a saline solution for conductivity. If you will notice, the owner and lead researchers are both women with thick, long hair and they have no problems using the device.
Linux support is in the works (Read: Drivers are under development); however, since their target is gamers, this is not their priority at the moment.