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nounthe clear (and often sudden) understanding of a complex situation
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noun(neurophysiology) rapid fluctuations of voltage between parts of the cerebral cortex that are detectable with an electroencephalograph
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Definition that contains brainwave
- delta rhythm the normal brainwave in the encephalogram of a person in deep dreamless sleep; occurs with high voltage and low frequency (1 to 4 hertz)
- subclinical absence a transient impairment of cortical function demonstrable only by 3-per-second brainwave spikes
- beta rhythm the normal brainwave in the encephalogram of a person who is awake and alert; occurs with a frequency between 12 and 30 hertz
- delta wave the normal brainwave in the encephalogram of a person in deep dreamless sleep; occurs with high voltage and low frequency (1 to 4 hertz)
- theta rhythm the normal brainwave in the encephalogram of a person who is awake but relaxed and drowsy; occurs with low frequency and low amplitude
- alpha wave the normal brainwave in the electroencephalogram of a person who is awake but relaxed; occurs with a frequency of 8-12 hertz
- pure absence an absence seizure without other complications; followed by 3-per-sec brainwave spikes
- theta wave the normal brainwave in the encephalogram of a person who is awake but relaxed and drowsy; occurs with low frequency and low amplitude
- beta wave the normal brainwave in the encephalogram of a person who is awake and alert; occurs with a frequency between 12 and 30 hertz
- simple absence an absence seizure without other complications; followed by 3-per-sec brainwave spikes