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Betawaves,orbetarhythm,areneuraloscillations(brainwaves)inthebrainwithafrequencyrangeofbetween12.5and30Hz(12.5to30cyclespersecond).,Betawaves:14to38Hz.Betawavesoccurwhenyouareactiveandallowyoutoconcentrate.Whenthereisanexcessofthesetypesofwaves,y...。參考影片的文章的如下:




