Neural synchronization is strongest to the spectral flux of slow music and depends on familiarity and beat salience
Beat (acoustics)
Salience (neuroscience)
Spectral envelope
Auditory perception
DOI:
10.7554/elife.75515
Publication Date:
2022-09-12T11:00:24Z
AUTHORS (3)
ABSTRACT
Neural activity in the auditory system synchronizes to sound rhythms, and brain-environment synchronization is thought be fundamental successful perception. Sound rhythms are often operationalized terms of sound's amplitude envelope. We hypothesized that - especially for music envelope might not best capture complex spectro-temporal fluctuations give rise beat perception synchronized neural activity. This study investigated (1) different musical features, (2) tempo-dependence synchronization, (3) dependence on familiarity, enjoyment, ease In this electroencephalography study, 37 human participants listened tempo-modulated (1-4 Hz). Independent whether analysis approach was based temporal response functions (TRFs) or reliable components (RCA), spectral flux as opposed evoked strongest synchronization. Moreover, with slower rates, high easy-to-perceive beats elicited response. Our results demonstrate importance driving highlight its sensitivity tempo, salience.
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