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Beta waves
Beta wave, or beta rhythm, is the term used to designate the frequency range of brain activity above 12 Hz (12 transitions or cycles per second). Beta states are the states associated with normal waking consciousness. Low amplitude beta waves with multiple and varying frequencies are often associated with active, busy, or anxious thinking and active concentration. Rhythmic beta with a dominant set of frequencies is associated with various pathologies and drug effects. For instance, beta activity can be accentuated by sedative-hypnotic drugs such as benzodiazepines or barbiturates.[citation needed] It can also be absent or reduced if the patient underwent cortical damage. Image File history File links Eeg_beta. ... Image File history File links Eeg_beta. ... For other uses, see Frequency (disambiguation). ... Human brain In animals, the brain (enkephale) (Greek for in the skull), is the control center of the central nervous system, responsible for behavior. ... This article is about the SI unit of frequency. ...
The beta wave is not generally classed into the electromagnetic spectrum as its own type of wave. It falls alongside the gamma waves and is categorised and related to the electromagnetic spectrum through them.
Beta Waves are also split into three sections: High Beta Waves (19Hz+); Beta Waves (15-18Hz); and Low Beta Waves (12-15Hz).
These waves reside within E.L.F. range (Extremely Low Frequencies) and are electromagnetic in nature.
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