Abstract
The 8–12 Hz rhythmical waveform that can be recorded from the scalp of most human subjects when their eyes are closed does not originate in brain tissue. It is generated by physiological tremor in the extra-ocular muscles modulating the field set up by the standing potential of the eye.
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LIPPOLD, O. Origin of the Alpha Rhythm. Nature 226, 616–618 (1970). https://doi.org/10.1038/226616a0
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DOI: https://doi.org/10.1038/226616a0
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