Now we will apply the final two EEG electrodes. These will be applied in a slightly different manner to the earlier electrodes. 

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Specifically, since these electrodes will be nestled in the hair, we will be using conductive paste to hold the electrodes in place. Don't worry though – a little warm water in the shower will be enough to dissolve the paste in the morning.

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So, take the final two gold cup electrodes and fill them with a small quantity of paste from the other cup (see the image for a guide). 

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Then, take two of the gauze squares provided and apply about a 1/2 teaspoon worth of paste to the centre of each.

We will now locate the sites, prepare them, and apply the electrodes one at a time.

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*Please note: for those participants who have no hair over the areas discussed in the following steps, you are welcome to use hypafix tape to secure the gold cup electrodes (filled with paste to slightly above level of the cup).