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Related Experiment Videos

Wicket spikes during rapid eye movement sleep.

Philippe Gélisse1, Callixte Kuate, Philippe Coubes

  • 1Epilepsy Unit, Hôpital Gui de Chauliac, Montpellier, France. p_gelisse@hotmail.com

Journal of Clinical Neurophysiology : Official Publication of the American Electroencephalographic Society
|January 1, 2004
PubMed
Summary

Wicket spikes, a normal sleep variant, were observed to persist during rapid eye movement (REM) sleep in adults. This finding challenges previous assumptions about their occurrence solely during non-REM sleep stages.

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Area of Science:

  • Neuroscience
  • Sleep Medicine
  • Electroencephalography (EEG)

Background:

  • Wicket spikes are recognized as a normal variant EEG activity.
  • Typically observed in adults over 50 during drowsiness and non-rapid eye movement (NREM) sleep.
  • Limited data exists on their prevalence across all sleep stages, especially during REM sleep.

Purpose of the Study:

  • To investigate the presence and characteristics of wicket spikes during REM sleep.
  • To determine if wicket spikes persist across different sleep stages.

Main Methods:

  • Case series study involving five patients.
  • Analysis of electroencephalogram (EEG) recordings during sleep.
  • Observation and documentation of wicket spike activity during REM sleep.

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Main Results:

  • Wicket spikes were observed to persist during REM sleep in all five patients.
  • The morphology and location of wicket spikes remained consistent between NREM and REM sleep.
  • Predominant unilateral temporal expression was noted, with no correlation to REM sleep phases.

Conclusions:

  • Wicket spikes can persist into REM sleep, contrary to previous understanding.
  • This persistence suggests a stable underlying mechanism independent of REM sleep's dynamic phases.
  • Further research is needed to understand the clinical significance of persistent wicket spikes.