Interactive Labs
Four live models for building EEG intuition. Everything is rendered on HTML5 Canvas and computed in real time in your browser.
Explore standardized electrode placement. Click electrodes, switch between modern and classic naming, and overlay bipolar montage chains.
Naming
Bipolar chains
Click any electrode. Letters denote the region (Fp, F, C, T, P, O); even numbers lie on the right, odd on the left, and z marks the midline.
Selected electrode
Cz
10-10 name Cz · classic Cz
Region: midline
Regions
Prefrontal
Frontal
Central
Temporal
Parietal
Occipital
Midline
The International 10-20 System places electrodes at 10% and 20% intervals along measured arcs between the nasion, inion, and preauricular points — so placement scales to any head size.
Toggle the bipolar chains to see how adjacent electrodes are linked into the montages you read every day.