Entrainment Meaning and origin of the term 'entrainment' Entrainment is a term originally derived from complex systems theory. The theory explains the way that two or more independent, autonomous oscillators with differing rhythms or frequencies, when situated in proximity where they can interact for long enough, influence each other mutually, to a degree dependent on coupling force. They then adjust until both oscillate with the same frequency. Examples include the mechanical entrainment or cyclic synchronization of two electric clothes dryers placed in close proximity, and the biological entrainment evident in the synchronized illumination of fireflies. The term 'entrainment' has been used to describe a shared tendency of many physical and biological systems to synchronize their periodicity and rhythm through interaction. This tendency has been identified as specifically pertinent to the study of sound and music generally, and acoustic rhythms specifically. The most familiar examples of neuromotor entrainment to acoustic stimuli is observable in spontaneous foot or finger tapping to the rhythmic beat of a song. Brainwave entrainment
Etymology Entrainment is a term originally derived from complex systems theory. The theory explains the way that two or more independent, autonomous oscillators with differing rhythms or frequencies, when situated in proximity where they can interact for long enough, influence each other mutually, to a degree dependent on coupling force. They then adjust until both oscillate with the same frequency. Examples include the mechanical entrainment or cyclic synchronization of two electric clothes dryers placed in close proximity, and the biological entrainment evident in the synchronized illumination of fireflies. The term 'entrainment' has been used to describe a shared tendency of many physical and biological systems to synchronize their periodicity and rhythm through interaction. This tendency has been identified as specifically pertinent to the study of sound and music generally, and acoustic rhythms specifically. The most familiar examples of neuromotor entrainment to acoustic stimuli is observable in spontaneous foot or finger tapping to the rhythmic beat of a song. 
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Entrainment
Etymology
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Meaning and origin of the term 'entrainment'
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Brainwave entrainment