Wave

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Related to beta wave: theta wave

Wave

A short-term movement that goes against the general trend. For example, if the DJIA rallies on a given trading day but overall is in the midst of a prolonged bear market, the rally is called a wave against the bearish tide.
References in periodicals archive ?
According to the frequency range, the EEG waves are categorized into five major EEG rhythms such as delta waves (0-4 Hz), theta waves (4-8 Hz), alpha waves (8-13 Hz), beta waves (13-30 Hz), and gamma waves (30-50 Hz).
The study indicated interval differences regarding exacerbation, times, EEG monitoring duration, basic frequency, presence of slow-waves and beta waves, spike discharges, and severity of EEG arrhythmia between patients with and without EBBs, but this study indicated no significance ( P > 0.
For instance, the presence of beta waves correlates with excitement, focus and stress.
Beta waves (13-21 cps) are associated with thinking and focusing, or sustaining attention, whereas high beta waves (20-32 cps) are indicative of hyperactivity and anxiety.
But it is fine when trying to detect the activity, called beta waves, that indicates attention.
Beta waves (13-18 Hz) are needed to solve a problem or complete a task.
Gamma waves are present during sound sleep; theta waves indicate dozing or sleeping; beta waves are present during an awake, excited state and alpha waves signify an awake, relaxed state.
Beta waves are associated with increased concentration, alertness, and enhanced memory function.