NeuroMirror
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Montage

A deliberately small, midline four-channel montage. Reference: linked ears / mastoids (A1+A2), identical across every session. Ground: manufacturer-approved placement only — follow the NeXus-10 / BioTrace+ manual.

Electrode sites
FzFCzPzOzRef: A1 + A2 (linked ears)
Channel roles
FzEEG

Midline frontal — attention, frontal theta, executive control

FCzEEG

Fronto-central — sensorimotor / error-related activity

PzEEG

Midline parietal — P300, alpha, attention allocation

OzEEG

Midline occipital — visual alpha (eyes open/closed contrast)

Signal quality

Follow the BioTrace+ / Mind Media signal-quality guidance for your hardware and electrode type, and balance impedances across channels. No official NeXus-10 impedance limit is cited here, so no fixed threshold is asserted.

Full definition: configs/montage.yaml