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Change in left inferior frontal connectivity with less unexpected harmonic cadence by musical expertise

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Listed:
  • Chan Hee Kim
  • June Sic Kim
  • Yunhee Choi
  • Jeong-Sug Kyong
  • Youn Kim
  • Suk Won Yi
  • Chun Kee Chung

Abstract

In terms of harmonic expectancy, compared to an expected dominant-to-tonic and an unexpected dominant-to-supertonic, a dominant-to-submediant is a less unexpected cadence, the perception of which may depend on the subject’s musical expertise. The present study investigated how aforementioned 3 different cadences are processed in the networks of bilateral inferior frontal gyri (IFGs) and superior temporal gyri (STGs) with magnetoencephalography. We compared the correct rate and brain connectivity in 9 music-majors (mean age, 23.5 ± 3.4 years; musical training period, 18.7 ± 4.0 years) and 10 non-music-majors (mean age, 25.2 ± 2.6 years; musical training period, 4.2 ± 1.5 years). For the brain connectivity, we computed the summation of partial directed coherence (PDC) values for inflows/outflows to/from each area (sPDCi/sPDCo) in bilateral IFGs and STGs. In the behavioral responses, music-majors were better than non-music-majors for all 3 cadences (p

Suggested Citation

  • Chan Hee Kim & June Sic Kim & Yunhee Choi & Jeong-Sug Kyong & Youn Kim & Suk Won Yi & Chun Kee Chung, 2019. "Change in left inferior frontal connectivity with less unexpected harmonic cadence by musical expertise," PLOS ONE, Public Library of Science, vol. 14(11), pages 1-13, November.
    • Handle: RePEc:plo:pone00:0223283
    DOI: 10.1371/journal.pone.0223283
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