Laboratory of Brain Imaging, Nencki Institute of Experimental Biology of the Polish Academy of Sciences, Warsaw, Poland.
Psychophysiology. 2023 Dec;60(12):e14402. doi: 10.1111/psyp.14402. Epub 2023 Aug 21.
Musical training has been linked to enhanced interoceptive abilities and increased resting-state (RS) functional connectivity (FC) within the interoceptive brain network. We aimed to replicate and extend these findings with a unique cross-sectional and longitudinal study design. Professional musicians and matched individuals with no prior musical experience (training group) were recruited. Participants underwent RS fMRI scans and completed heartbeat counting and discrimination tasks outside of the scanner (time point 1). The training group additionally had RS scans and interoception tests repeated after a 6-month-long keyboard course training (time point 2). We found no evidence for increased interoceptive abilities in professional musicians relative to non-musicians, nor did we observe any improvements in interoception over the course of musical training. RS FC analysis revealed increased FC within the sensorimotor network in professional musicians compared to the training group at the first time point with no change in FC over time in the Training group. These findings challenge the view that musical training may improve interoceptive abilities. Yet, the results suggest that musical training is related to increased communication within the sensorimotor RS network, which consists of some hubs important for interoceptive processing (namely pre- and postcentral gyri and supplementary motor area).
音乐训练与增强的内感受能力和增加的静息状态（RS）功能连接（FC）有关，内感受大脑网络内。我们旨在通过独特的横断面和纵向研究设计复制和扩展这些发现。招募了专业音乐家和没有先前音乐经验的匹配个体（训练组）。参与者在扫描器外进行 RS fMRI 扫描和心跳计数和辨别任务（时间点 1）。训练组还在 6 个月长的键盘课程训练后重复 RS 扫描和内感受测试（时间点 2）。我们没有发现专业音乐家相对于非音乐家的内感受能力增加的证据，也没有观察到在音乐训练过程中内感受的任何改善。RS FC 分析显示，与训练组相比，专业音乐家在第一个时间点的感觉运动网络内的 FC 增加，而在训练组中 FC 没有随时间变化。这些发现挑战了音乐训练可能改善内感受能力的观点。然而，结果表明，音乐训练与传感器运动 RS 网络内的通信增加有关，该网络由一些对内感受处理很重要的枢纽组成（即中央前回和中央后回以及补充运动区）。
