Mu wave
Mu wave
Mu wave, also known as mu rhythm, is a type of brainwave pattern typically detected by electroencephalography (EEG) in the sensorimotor cortex, a part of the brain involved in the control of voluntary movements.
Pronunciation
Mu wave: /mjuː weɪv/
Etymology
The term "mu" comes from the Greek letter μ, used in various scientific and mathematical contexts. In the context of brainwaves, it was first used by the German psychiatrist and neurologist Hans Berger, who discovered the existence of electrical activity in the human brain.
Description
Mu waves are characterized by a frequency of 8-13 Hz and are most prominent when the body is at rest. They are suppressed or "blocked" when an individual performs a motor action or even just imagines performing such an action. This phenomenon, known as mu suppression, is thought to reflect the activity of mirror neurons, cells in the brain that fire both when an individual performs an action and when they observe someone else performing the same action.
Related Terms
- Electroencephalography (EEG): A diagnostic procedure that records the electrical activity of the brain.
- Sensorimotor cortex: The part of the brain that processes sensory information and controls voluntary movements.
- Mu suppression: The decrease in mu wave activity observed during motor action or the imagination of motor action.
- Mirror neurons: Neurons that fire both when an individual performs an action and when they observe someone else performing the same action.
External links
- Medical encyclopedia article on Mu wave
- Wikipedia's article - Mu wave
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