Beta wave

Beta waves represent a specific part of the spectrum of brain wave pattern, and occupy a frequency range between 14 and 30 Hz ( Hertz). The brain wave pattern (EEG, electroencephalogram ) results from the action currents of the nerve cells in the cerebral cortex and can be derived using commonly used in medical devices. These ( the 10/20-Schema in clinical routine usually) be Ableiteelektroden attached to the skull by an international scheme. Through wires, the electrodes are connected to an amplifier which transmits the received electrical signals to a recording device. The occurrence of beta waves have different origins and meanings, for example, all people coming beta waves at about 8% than normal EEG variant before. Beta waves are also formed as a result of exposure to certain psychotropic drugs or occur during REM sleep.

Related Topics

  • Delta waves
  • Alpha waves
  • Theta waves
  • Neurophysiology
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