Summary
Using the electroencephaloscopic method of Livanov and Anan'ev, the author studied the spatial distribution of cortical electrical activity in man and animals. He note that in certain physiological and pathological conditions of the central nervous system a special form of dynamic distribution of synchronous electrical activity (cortical mosaic) is recorded, called an “overflow,” or spreading wave of activity, representing a movement of the peak of negativity (or positivity) from certain areas of the cortex into others, with a generalized rhythm of bioelectric activity all over the cortex. Recorded with monopolar leads, spreading waves appear as movement of the point of maximum amplitude of corresponding potential variations. With bipolar leads, it is manifested mainly as a phase shift in space.
Certain conditions for these spreading waves are described, and an attempt is made to analyze their mechanism.
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Monakhov, K.K. The spatial distribution of electrical activity in the cerebral cortex of man and animals. Bull Exp Biol Med 50, 1004–1008 (1961). https://doi.org/10.1007/BF00784866
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DOI: https://doi.org/10.1007/BF00784866