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To increase our understanding of auditory neurocognition in musicians, we compared nonmusicians with amateur band musicians in their neural and behavioral sound encoding accuracy. Mismatch negativity and P3a components of the auditory event-related potentials were recorded to changes in basic acoustic features (frequency, duration, location, intensity, gap) and abstract features (melodic contour and interval size). Mismatch negativity was larger in musicians than in nonmusicians for location changes whereas no statistically significant group difference was observed in response to other feature changes or in abstract-feature mismatch negativity. P3a was observed only in musicians in response to location changes. This suggests that when compared with nonmusicians, even amateur musicians have neural sound processing advantages with acoustic information most essential to their musical genre.
Tervaniemi et al. (Wed,) studied this question.