Tapping the beat of four subdivisions: Neural entrainment, musical training and the binary advantage
Dr
Aarhus University
Recording
Event Information
Recording
Available
Host
Timing Research Forum
Duration
30 minutes
Abstract
The subdivision benefit refers to the positive effect of subdividing a beat on sensorimotor synchronization. We recorded electroencephalograms of musicians and non-musicians to study how they listened or finger-tapped to a beat, subdivided into four distinct subdivisions. Musicians showed more consistent tapping responses than non-musicians, and enhanced neural entrainment during the tapping task than in the listening task. In both groups, there was a neural enhancement of the beat frequency and its first harmonic (related to duplets) after listening to the four subdivisions. Furthermore, non-musicians tapped more consistently to the beat of duplets than other subdivisions. Altogether, this suggests a neural and behavioral advantage for binary subdivisions, that can be modulated with formal training in music.
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