Air brain – the easy telemetric system with smartphone for EEG signal and human behavior

Studies for human-machine interaction such as Brain-Computer Interface (BCI) using EEG has been focused on. Usability in daily life is critical for BCI. Therefore, a convenient portable telemetry EEG system at low cost is required. We developed "Air Brain system", a portable EEG telemetry system using 3G-network with a smartphone. The feature of the system is recording EEG at low cost, anywhere the system connecting 3G networks. In addition, various sensors on a smartphone are used to sense human behavior during EEG measurement. The system enables us to measure EEG immediately after walking, and we found attenuation of α-wave with eye closing.