Figure 1.

EEG locations. Patients in PRISMA are trained on location Cz. Location Cz is the location exactly halfway between the nasion (the bridge of the nose) and the inion (the most prominent point on the lower rear of the skull) and halfway between the two ears.

de Ruiter et al. BMC Cancer 2012 12:581   doi:10.1186/1471-2407-12-581
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