COGNISION 3000 Help System
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Electrode Harness

Electrode Harness
 
The Harness consists of 7 recording electrodes (Fz, Cz, Pz, F3, P3, F4, P4) according to the 10-20 system, 2 linked mastoid electrodes (M1 and M2), and 1 common electrode integrated into a comfortable, user-friendly design.  The Electrode Pods are attached to a net of small diameter elastic tubes.  The Harness is held in place with an adjustable Chinstrap and a Backstrap at the back of the head.
 
EEG signals are picked up via a small metallic ring inside each Electrode Pod.  This ring does not actually touch the subject’s head.  Instead, the Electrode Pods provide a port into which Biosensors are inserted.  The Biosensors couple the electrical signals from the subject’s scalp to the metallic ring.

1
Backstrap H1202
Used to secure the Harness on the back of the head.
 
NOTE:  Upon signs of significant wear or breakage, the Backstrap should be replaced.
2
Electronics Module
Where the HCU Cable and Earphones plug in.
3
Electrode Pod
Where the Biosensors are inserted.
4
Earpiece
Used to locate the Harness relative to the ears.
5
Tube Kit H1505
 
NOTE:  Individual tubes can be replaced with the included tube kit.
6
Chinstrap D5050
Used to secure the Harness on the chin.
 
NOTE:  Part of each subject kit should be replaced before each test.