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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]] 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 [[human brain]]. They are al(contracted; show full)[[Category:Meditation]]
[[Category:Electroencephalography]]

[[de:Elektroenzephalografie#Alpha-Wellen]]
[[es:Ondas alpha]]
[[fr:Rythme alpha]]
[[ja:アルファ波]]

[[pl:Fale alfa]]⏎
[[ru:Альфа-ритм]]