Inherent auditory skills rather than formal music training shape the neural encoding of speech

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Abstract
Significance: Musicianship is widely reported to enhance auditory brain processing related to speech–language function. Such benefits could reflect true experience-dependent plasticity, as often assumed, or innate, preexisting differences in auditory system function (i.e., nurture vs. nature). By recording speech-evoked electroencephalograms, we show that individuals who are naturally more adept in listening tasks but possess no formal music training (“musical sleepers”) have superior neural encoding of clear and noise-degraded speech, mirroring enhancements reported in trained musicians. Our findings provide clear evidence that certain individuals have musician-like auditory neurobiological function and temper assumptions that music-related neuroplasticity is solely experience-driven. These data reveal that formal music experience is neither necessary nor sufficient to enhance the brain’s neural encoding and perception of sound.
Funding Information
  • HHS | National Institutes of Health (R01DC016267)
  • University of Memphis Research Investment Fund (UMRIF)

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