Wicket spikes

Wicket spikes

• Short runs of 6-11Hz spikes, sometimes single spike
  • usually within alpha frequency range

• Monophasic arciform waveforms (60-200uV)

• Anterior or mid-temporal region
  • Usually present unilaterally with shifting emphasis between sides

• Sharp monophasic, no slow wave

• Present in relaxed wakefulness, drowsiness, light sleep

• Usually in middle and late adulthood

• Clinical significance: analogue of the auditory alpha rhythm
  • May decrease with auditory stimulation
  • Not associated with epilepsy

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Run of wicket spikes (source)

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