following images are masahiro experience in the Crop Circle at UK,  1997.

120 Hz sampling. 256 Point FFT. IBVAV4.9.5.3.

This brain note data file is /Applications/IBVA4/brain data sample/AlphaInTheCropCircle.ibva

Alpha power is low however shows very interesting continuously Alpha power and coherence.

new movie render with IBVA4.9.6.4 and same brain data play back from DVD used original 2 channel IBVA system.