THE ELECTROENCEPHALOGRAM OF NORMAL CHILDREN
Effect of Hyperventilation
NORMAN Q. BRILL M. D.1, and
HERTA SEIDEMANN M. D.1
1 The neurological divisions, Montefiore Hospital and Morrisania City Hospital, New York.
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 9
.
3. There was a marked tendency toward the development of a dysrhythmia during hyperventilation in the younger children, which diminished with advancing age.