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Science 1 March 1974:
Vol. 183. no. 4127, pp. 873 - 875
DOI: 10.1126/science.183.4127.873
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Articles

Coupling between Cortical Potentials from Different Areas

Enoch Callaway 1 and Peter R. Harris 1

1 Langley Porter Neuropsychiatric Institute, University of California, San Francisco 94143

At any instant, the electroencephalogram can be classified as to (i) polarity and (ii) direction of change in polarity. This classification provides a way to measure coupling between cortical areas. The technique is simple, yet of wide potential utility for studying functional relationships between cortical areas. The results of applying this technique suggest how the potentials giving rise to the electroencephalogram may play a role in information processing in the central nervous system.


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Science. ISSN 0036-8075 (print), 1095-9203 (online)