From the vault: Is this optical illusion a way to see one's own brain activity?
) and hooked it up to the first subjects in 1924, these waves were the first thing he noticed – hence, “alpha”. They’re noticable because they’re both strong and consistent. They’re buzzing through your brain right now.Alpha waves are generated by rhythmical changes in neuronal activity, mainly centered on theroughly 10 times every second?
Or do we? Sokoliuk and VanRullen argue that the flickering of the wheel is related in some intimate way to alpha. They offer two lines of evidence here. Once alpha activity reaches a critical threshold, the rapid alternation of favorable and less favorable phases for sensory processing produces a “pulsed-inhibition” that can become visible as a regular flicker in the center of the wheel.
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