EEG electrode
TMSi systems

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EEG electrode EEG electrode


  • Applications:



Tired of using gel and scratching the patient's skin for performing an EEG? With TMSi's water based electrodes this is all in the past.

During the European BRAIN project, a completely new type of EEG sensor was developed, with which you can measure EEG by just using plain (tap) water. The goal was to make this EEG sensor easy to handle, quick to apply, comfortable to wear and yet have an excellent signal quality (in combination with TMSi amplifiers).

A special housing with integrated AgCl pellet electrode was used as the main component of the new sensor. The sensor housing can contain a sponge that is soaked with water. The sponge and the water make contact with the skin to measure EEG. In order to increase the comfort, and to decrease movement artifacts the sensor housing is inserted in a rubber fitting, integrated into a type of headcap. For the measurement of BCI signals, we further designed a new headwrap that is very quick and easy to apply. This headwrap contains a number of sensor fittings, in which the sensors are mounted. The fitting has a rubber ring, preventing the sensor to dry out quickly, but more important to prevent the sensor from moving with respect to the skin. In this manner a