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Portal:Alpha wave
{{dablink|For the 3D platform video game, see [[Alpha Waves]].}}

[[Image:eeg_alpha.svg|thumb|Alpha waves |400px|right]]
'''Alpha waves''' are [[Electromagnetic radiation|electromagnetic]] oscillations in the frequency range of 8–12 [[Hertz|Hz]] arising from ''synchronous'' and ''coherent'' (''in phase'' / ''constructive'') electrical activity of [[Human thalamus|thalamic]] pacemaker cells in the [[(contracted; show full)* [[Theanine]]

== References ==

* {{Harvard reference | Surname = Brazier | Given = M. A. B. | Title = The Electrical Activity of the Nervous System | Year = 1970 | Publisher = Pitman | Place = London}}


{{SleepSeries2}}
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== External Links ==
[http://www.eegproject.com EEG Alpha waves biofeedback interactive game project]

{{Neuroscience-stub}}

[[Category:Medical tests]]
[[Category:Meditation]]
[[Category:Electroencephalography]]

[[de:Elektroenzephalografie#Alpha-Wellen]]
[[es:Ondas alpha]]
[[fr:Rythme alpha]]
[[it:Ritmo alfa]]
[[ja:アルファ波]]
[[pl:Fale alfa]]
[[ru:Альфа-ритм]]