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The American Journal of Psychiatry, VOL. 98, No. 2

Article | September 01, 1941

THE ELECTROENCEPHALOGRAM OF NORMAL CHILDREN Effect of Hyperventilation

NORMAN Q. BRILL; HERTA SEIDEMANN

Am J Psychiatry 1941;98:250-256.

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The neurological divisions, Montefiore Hospital and Morrisania City Hospital, New York.

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Abstract

1. The electroencephalograms of 100 normal children were studied.2. Alpha frequency increased and the incidence of slow activity diminished with advancing age, with a critical level being reached at the age of 9½.3. There was a marked tendency toward the development of a dysrhythmia during hyperventilation in the younger children, which diminished with advancing age.

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