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

Chan Hee Kim, June Sic Kim, Yunhee Choi, Jeong-Sug Kyong, Youn Kim, Suk Won Yi and Chun Kee Chung

PLOS ONE, 2019, vol. 14, issue 11, 1-13

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

Date: 2019
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Persistent link: https://EconPapers.repec.org/RePEc:plo:pone00:0223283

DOI: 10.1371/journal.pone.0223283

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