Feb. 13, 2023
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The EEG hallmark of acute encephalopathy is slowing of the background frequencies. The exception to the slowing, such as seen here, would be in cases of mild intoxication with a sedative-hypnotic, such as a barbiturate or benzodiazepine where an increased amount of beta activity is seen before any slowing is noted. (Contributed by Dr. Jeffrey Nicholl and Dr. David Gloss.)