All-night EEG power spectral analysis of the cyclic alternating pattern at different ages

Oliviero Bruni, Luana Novelli, Elena Finotti, Anna Luchetti, Giordana Uggeri, Debora Aricò, Raffaele Ferri

Research output: Contribution to journalArticle

Abstract

Objective: To analyze in detail the frequency content of the different EEG components of the Cyclic Alternating Pattern (CAP) in the whole sleep of pre-school and school age children compared to normal young adults. Methods: Fourteen pre-school age and 18 school age children and 16 adults were included in this study. Each participant underwent a polysomnographic overnight recording, after an adaptation night; sleep stages and CAP were scored following standard criteria. Average spectra were obtained for each CAP condition from the signal recorded from C3/A2 or C4/A1, separately in sleep stage 2 and slow-wave sleep (SWS), for each subject. Results: The analysis of the relative power density in the three groups showed that in sleep stage 2 and in SWS, CAP A1, A2, A3 subtypes had a significantly higher power in all frequency ranges in pre-school children than in adults, while school children differed mainly for the lower frequencies (

Original languageEnglish
Pages (from-to)248-256
Number of pages9
JournalClinical Neurophysiology
Volume120
Issue number2
DOIs
Publication statusPublished - Feb 2009

Keywords

  • Adults
  • Cyclic alternating pattern
  • EEG power spectra
  • Fast Fourier transform
  • Pre-school age
  • School age
  • Sleep
  • Sleep stages

ASJC Scopus subject areas

  • Clinical Neurology
  • Physiology (medical)
  • Neurology
  • Sensory Systems

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