Population
32 infants examined periodically until the onset of infantile spasms, divided into perinatal, postnatal, and…
Design
Cohort
Follow-up
until the onset of the spasms
Authors
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May inform serial EEG timing in at-risk infants; leaves open whether early intervention alters this trajectory.
The development of hypsarrhythmia in infantile spasms follows a predictable evolutionary course on EEG regardless of the initial etiology.
Watanabe et al. (1973) studied this question.
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