"beta wave." YourDictionary, n.d. Web. 15 October 2018. <http://www.yourdictionary.com/beta-wave>.
beta wave. (n.d.). Retrieved October 15th, 2018, from http://www.yourdictionary.com/beta-wave
An electrical oscillation occurring in the human brain at a frequency of about 13 to 30 hertz as recorded on an electroencephalogram, associated with a state of alert wakefulness. Also called beta rhythm .