alpha wave

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Related to Alpha Waves: Theta waves, beta waves
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Synonyms for alpha wave

the normal brainwave in the electroencephalogram of a person who is awake but relaxed

References in periodicals archive ?
With 350mg of L-Theanine and 350mg of GABA, Zenify's natural stress-reducing antioxidants have been clinically shown to increase alpha waves in the brain and increase serotonin and dopamine levels without drowsiness.
These alpha waves show, among other things, how effectively the brain exploits the sensory information needed for learning.
Those in the theta range foster deep meditation and REM sleep, and frequencies in the alpha wave range encourage relaxation.
It has been proven that when people look upwards there is a change in brain activity as more alpha waves are produced, which instil feelings of peace and calm.
The EEG studies showed a decrease in beta and alpha waves and increase in biphasic spike wave pattern in experimental Aizheimer rat model.
Professor Foxe said: "We found that within 20 minutes of drinking a cup of tea there was an effect on the brain's alpha waves.
Brain activity, measured throughout each test, showed that theanine induced strong alpha waves in neurons, suggesting restfulness.
Tea contains caffeine, but the body reacts to it differently from coffee because of L-theanine, an amino acid in tea that he says promotes ``focused, meditative energy'' in the brain's alpha waves to counteract the fight-or-flight beta wave response to the caffeine.
As polysomnographers can attest, it is not unusual to see classic phasic REMs while the EEG is producing alpha waves.
In addition to its ability to make relaxing alpha waves, l-theanine seems to cancel out some of the jittery effects of caffeine.
The researchers calculated the power ratio of alpha waves to theta waves (A/T); the ratio of alpha waves to delta waves (A/D); and the ratio of alpha waves to the sum of theta and delta waves (A/T+D).
Alpha waves are common during physical and mental relaxation, or during fantasising, daydreaming and visualisation.
Many patients with fibromyalgia have a specific sleep disturbance involving the intrusion of alpha waves into slow wave sleep.