Development of EEG and daytime sleep patterns in normal full-term infant during the first 3 months of life: longitudinal observations

Electroencephalography and Clinical Neurophysiology
R J Ellingson, J F Peters

Abstract

EEG polygraph recordings of 1 to over 4 h duration were obtained during daytime sleeps weekly from birth to 11-13 weeks of age in 17 normal full-term newborns. Analysis of the recordings permitted more precise specification of the time courses of early developmental changes in EEG patterns related to the sleep cycle. The tracé alternant pattern of quiet sleep was seen up to 2 weeks post term in all subjects, but in none beyond 6 weeks. Active sleep onset occurred in 80% of daytime sleeps at 1-3 weeks and decreased rapidly over the next 5 weeks, but at 8-13 weeks was still seen in 5-10% of the recordings. Rolandic sleep spindle bursts appeared in some subjects as early as 4 weeks post term and were present in all beyond 8 weeks. Based upon these 3 criterion variables, the transition from 'perinatal' to 'infantile' EEG sleep patterns started at a mean age of 30.3 days and was completed at a mean age of 46.6.days. The earliest and latest completions of the transition were at 27 and 66 days, respectively. On the average the transition took just over 2 weeks. Frontal sleep transients were seen until 3 weeks post term in all subjects, but in none beyond 7 weeks. Active sleep decreased from just over 50% of total sleep time at birth t...Continue Reading

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Citations

Dec 7, 2000·Mental Retardation and Developmental Disabilities Research Reviews·E M Mizrahi, R R Clancy
Dec 1, 1980·Electroencephalography and Clinical Neurophysiology·R J Ellingson, J F Peters
Oct 1, 1980·Electroencephalography and Clinical Neurophysiology·R J Ellingson, J F Peters
Feb 1, 1981·Electroencephalography and Clinical Neurophysiology·J F PetersR J Ellingson
Jan 1, 1982·Electroencephalography and Clinical Neurophysiology·D H CrowellJ E Hodgman
Jan 1, 1982·Electroencephalography and Clinical Neurophysiology·R J EllingsonB Nelson
Jul 1, 1982·Electroencephalography and Clinical Neurophysiology·Y NaveletG Bouard
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