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Long latency evoked potential components in human slow wave sleep.

Authors
  • Ujszászi, J1
  • Halász, P
  • 1 National Institute for Nervous and Mental Diseases, Budapest, Hungary. , (Hungary)
Type
Published Article
Journal
Electroencephalography and Clinical Neurophysiology
Publisher
Elsevier
Publication Date
Jun 01, 1988
Volume
69
Issue
6
Pages
516–522
Identifiers
PMID: 2453328
Source
Medline
License
Unknown

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.

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