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May 1969

The Living Brain.

Arch Intern Med. 1969;123(5):609. doi:10.1001/archinte.1969.00300150127036

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For a physician who would like to know more about the brain and how it works, this is a wonderful book. It is written by England's great expert on electroencephalograms, Grey Walter who knew Berger, the first man to discover that there were electric currents flowing through the brain. Berger's first work was crude, and was greatly improved later when amplifiers were developed. As Walter says, it is remarkable that an EEG is made up of as many as 20 or 30 components. "Actually there may be tens of thousands of impulses woven together in such a manner that only the grosser combinations are discernable." Walter goes on to say,

... the brain must be pictured as a vast aggregation of electrical cells, numerous as the stars of the Galaxy, some 10 thousand million of them, through which surge the restless tides of our electrical being, relatively thousands of times

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