Long latency evoked potential components in human slow wave sleep

J. Ujszászi, P. Halász

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Abstract

The wave morphology of long latency (more than 200 msec) components of auditory evoked potentials of healthy human adults was analysed in different slow wave sleep stages and at different electrode positions. The results indicated that the marked negative deflection consisted of 2 distinct components with 300 and 550 msec latency and with central and frontal amplitude maxima, respectively. Very long latency components (N1500 and P1900) were observed with monotonously increasing amplitudes parallel to the deepening of sleep. The contribution of the large amplitude, transient evoked slow waves to the SWS EEG and the general role of information processing in the regulation of sleep are briefly discussed.

Original languageEnglish
Pages (from-to)516-522
Number of pages7
JournalElectroencephalography and Clinical Neurophysiology
Volume69
Issue number6
DOIs
Publication statusPublished - Jun 1988

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Keywords

  • Auditory evoked potential
  • K complex
  • Late components
  • Sleep
  • Slow wave sleep

ASJC Scopus subject areas

  • Neuroscience(all)
  • Clinical Neurology

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