January 9, 2013 - 12 attended
Let's meet up and wear brainwave detectors. We'll have a few devices on hand.
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masahiro kahata on January 11, 2013 6:15 PMbrain wave and test OSC brain wave when use different skin and electrode contact resistance. Top is subject brain wave. bottom 3 is connect IBVA to test OSC with different resistance, left 1 M ohm, center 100 K ohm, right 10 K ohm. all same X 10 , max gain. you can see noise is increase on the OSC test, when high resistance connect. subject brain wave in beta frequency range is very close to noise when 1 M ohm resistance connect.
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