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Subjective Light Pattern Spectroscopy in the Encephalographic Frequency Range

Abstract

ALLESSANDRO VOLTA'S famous experiment in 1800 when he stimulated the nerve of the leg of a frog by a battery of a few volts is well known. In his collected works1, however, much more attention is given to another experiment, when he applied two electrodes to different parts of his face and experienced, with eyes closed, a brilliant light and sometimes a bright circle while closing or opening the circuit including his little battery.

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References

  1. Volta, ‘Colezione del'opere’, Tome 2, Vol. 2, p. 124.

  2. Purkinje, J., ‘Beiträge zur Kenntnis des Sehens in subjektiver Hinsicht’, 50 (Prague, 1819). Purkinje excited ‘Galvanic light patterns’ (stripes and arches) with a voltaic cell of 20 V.

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  3. Penfield, W., and Rasmussen, T., ‘The Cerebral Cortex of Man’, 140 (New York, 1955).

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  4. Knoll, M., Psychol., 17, 110 (1958).

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KNOLL, M., KUGLER, J. Subjective Light Pattern Spectroscopy in the Encephalographic Frequency Range. Nature 184, 1823–1824 (1959). https://doi.org/10.1038/1841823a0

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