BRAIN RESPONSES TO REAL AND IMAGINED INTERPRETATION OF TONAL VERSUS ATONAL MUSIC: A STUDY BASED ON ELECTROENCEPHALOGRAPHIC CONNECTIVITY NETWORKS

被引:1
作者
Gonzalez, Almudena [1 ]
Gamundi, Antoni [2 ]
Gonzalez, Julian J. [1 ]
机构
[1] Univ La Laguna, Tenerife, Spain
[2] Univ Ias Islas Baleares, Palma de Mallorca, Spain
来源
MUSIC PERCEPTION | 2024年 / 41卷 / 05期
关键词
tonal; atonal; music; EEG networks; functional connectivity; graph theory; connectome; real interpretation; imagined interpretation; FUNCTIONAL CONNECTIVITY; MENTAL PRACTICE; IMAGERY; PERFORMANCE; PERCEPTION; ACTIVATION; OSCILLATIONS; SURROGATES; RHYTHMS; MEMORY;
D O I
10.1525/MP.2024.41.5.326
中图分类号
J6 [音乐];
学科分类号
摘要
PROFESSIONAL MUSICIANS HAVE BEEN TEACHING/ learning/interpreting Western classical tonal music for longer than atonal music. This may be reflected in their brain plasticity and playing efficiency. To test this idea, EEG connectivity networks (EEG-CNs) of expert cellists at rest and during real and imagined musical interpretation of tonal and atonal excerpts were analyzed. Graphs and connectomes were constructed as models of EEG-CNs, using functional connectivity measurements of EEG phase synchronization in different frequency bands. Tonal and atonal interpretation resulted in a global desynchronization/dysconnectivity versus resting-irrespective of frequency bands-particularly during imagined-interpretation. During the latter, the normalized local information-transfer efficiency (NLE) of graph-EEG- CN's small-world structure at rest increased significantly during both tonal and atonal interpretation, and more significantly during atonal-interpretation. Regional results from the graphs/connectomes supported previous findings, but only certain EEG frequency bands. During imagined-interpretation, the number of disconnected regions and subnetworks, as well as regions with higher NLE, were greater in atonal-interpretation than in tonal-interpretation for delta/theta/gamma-EEG-CNs. The opposite was true during real- interpretation, specifically limited to alpha-EEG-CN. Our EEG-CN experimental paradigm revealed perceptual differences in musicians' brains during tonal and atonal interpretations, particularly during imagined-interpretation, potentially due to differences in cognitive roots and brain plasticity for tonal and atonal music, which may affect the musicians' interpretation.
引用
收藏
页码:326 / 347
页数:22
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