: Designed for ease of use, these do not require conductive gels or pastes. They are ideal for quick setups and consumer BCIs but can be more sensitive to motion artifacts compared to gel-based systems.

When buying EEG (electroencephalogram) electrodes, the right choice depends on whether you need them for clinical diagnostics, research, or consumer-grade brain-computer interfaces (BCIs). EEG electrodes record the brain's electrical activity and are typically categorized by their technology and application.

: Ensure your equipment is compatible with standard placement methods, such as the 10-20 system , which uses 21 specific head locations to ensure replicable results.

: Silver/silver chloride (Ag/AgCl) is the gold standard for high-quality signal recording because it provides low impedance and high stability.

You can find specialized EEG equipment through various suppliers depending on your needs: EEG (electroencephalogram) - Mayo Clinic

: These include a pre-amplifier within the electrode itself. This reduces noise and interference, making them more resilient to movement, though they are more expensive and heavier than passive versions.