alpha wave


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Related to alpha wave: beta wave, theta wave
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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 ?
The amino acid, which is found in tea leaves, increases alpha wave activity in some studies, but not others.
At the beginning of the experiment, people already showed predictive alpha wave signatures.
Kimura, "Decrease in serum cortisol during yoga exercise is correlated with alpha wave activation," Perceptual and Motor Skills, vol.
Using this set-up, participants may observe that when the subject closes his eyes, alpha wave amplitudes increase on the part of the dome that represents the back of the head.
In subjects with mild and moderate stress, the EEG in normal day-to-day life showed alpha wave, because they were mentally relaxed and might have coped with the situation.
For all the phases of [f.sub.1], [f.sub.2], and [f.sub.3], Alpha waves ([B.sub.1]) are decreased significantly and transferred into Theta wave ([B.sub.3]) and Delta wave ([B.sub.4]) standing for the slights sleeping status.
It stimulates alpha wave activity directly in relation to the speed of flashing" adds Eaton.
Dietrich noted that early studies of meditation found alpha wave activity across the frontal lobe.
It's not art, it's not beauty, it's a meter reading on the state of the soul, a registering of creepy fundamentals, a universal alpha wave, God's EKG, a base electric message crackling across the brain.
EEG Recording of 12 Interview Sessions Classified According to Alpha Wave Appearance Level for Nurse and Patient Level 1 (%) Level 2 (%) Session Patient Nurse Patient Nurse Patient 1 A 0.4 11.5 2 B 0.2 7.6 3 B 8.3 28.7 4 C 1.6 23.4 5 C 1.8 18.3 6 C 11.2 28.5 7 C 2.5 0.5 18.7 1.2 8 C 4.7 0.8 29.6 1.4 9 C 2.6 0.5 24.1 7.2 10 C 1.4 0.0 27.5 8.1 11 C 12.7 0.0 36.0 0.3 12 C 0.0 0.0 2.1 0.0 Average 4.0 0.3 21.3 3.0 Level 3 (%) Level 4 (%) Session Patient Nurse Patient Nurse Patient 1 A 85.6 3.9 2 B 91.7 0.4 3 B 59.5 3.5 4 C 74.1 1.0 5 C 79.8 0.0 6 C 60.3 0.0 7 C 78.6 97.5 0.2 0.9 8 C 64.6 96.1 1.1 1.7 9 C 72.6 92.2 0.7 0.0 10 C 70.2 91.5 0.0 0.3 11 C 50.4 97.5 0.8 2.0 12 C 97.9 100.0 0.0 0.0 Average 73.8 95.8
Alpha wave activity is seen simultaneously with delta wave activity.
The low total power with the predominance in the EEG of the higher-frequency alpha wave usually indicates a weakness of the processes of alertness and inhibition, which is characteristic of introverts (Ivashchenko, Berus, Zhuravlev, & Myamlin, 1999), and the absence of any substantial changes in the EEGs power point to the low lability of nervous processes.
Next Pedersen dims the lights and puts on classical music as part of an alpha wave exercise.