Abstract
Conclusion
There is a definite and characteristic change in the human electroencephalogram following the slow intravenous administration of sodium amytal. The change is marked by the early appearance of a rhythmic oscillation, with a frequency of approximately 20 waves per second, in place of the individual's “spontaneous”, or control, pattern. This action is not specific for the barbiturate derivatives. It is a general concomitant of early “depressed” cortical activity.
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