alpha wave

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Related to Alpha Waves: Theta waves, beta waves

alpha wave

n.
An electrical oscillation occurring in the human brain at a frequency of about 8 to 13 hertz as recorded on an electroencephalogram, associated with a state of relaxed wakefulness. Also called alpha rhythm.
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Noun1.alpha wave - the normal brainwave in the electroencephalogram of a person who is awake but relaxed; occurs with a frequency of 8-12 hertz
brain wave, brainwave, cortical potential - (neurophysiology) rapid fluctuations of voltage between parts of the cerebral cortex that are detectable with an electroencephalograph
References in periodicals archive ?
The practice is said to reduce beta brainwaves (the active ones) and increase the more-relaxed alpha waves, which help us sleep.
Other research utilizing brain imaging has found that doing nothing for a period of time increases alpha waves in the brain that are necessary for creativity, insight and innovation.
Alpha waves are thought to reflect the inhibition of underlying brain areas.
SNACK Walnuts The practice is said to reduce beta brainwaves (the active ones) and increase the more-relaxed alpha waves, which help us sleep.
Several other sensory stimuli like vision, hearing, and touch are known to cause abrupt drops in the amplitude of alpha waves in the first few seconds after the stimulus.
L-theanine helps encourage brain alpha waves that are part of a relaxed, awake, and alert state, but it doesn't make the animal sleepy.
Scientists' attempts at deciphering the neurological processes that explain creativity have recently zeroed in on the brain's so-called alpha waves.
In the left temporal region, high amplitude alpha waves replaced beta rhythm in one participant, this is consistent with studies done in the past.
Although, there are frequent transitions between waves during all the sleep, usually the beginning is related with alpha waves. Hypnosis uses this natural phenomenon to allow our brain to shift to the alpha range before full sleep occurs, and our subconscious mind is ready to receive suggestions in this interval.
The Alpha-Stim device is as big as a mobile phone and boosts naturallyoccurring "alpha waves", said to create a more relaxed state of mind.
Further tests of brain activity also showed that the people who had ice cream first thing in the morning had an increase in high-frequency alpha waves, which are associated with higher levels of alertness and can reduce mental irritation, the report said.