Wang Zixin, Wang Chengliang, Wen Shilin, Yuan Haoteng, Dai Shengyu, Cai Jianguang, Jiang Liang, Chen Xue, Gao Xianzhi, Xu Hui
Capital University of Physical Education And Sports, Beijing, China.
Guangzhou Huashang Vocational College, Guangdong, China.
PLoS One. 2025 Aug 18;20(8):e0329450. doi: 10.1371/journal.pone.0329450. eCollection 2025.
Sensorimotor synchronization (SMS) refers to the temporal coordination of individual actions with perceptible external events and rhythms. Previous research has revealed a potential relationship between SMS abilities and physical activity, with proposed links to underlying inner-brain cognitive processes. However, it needs to be explored that whether good aerobic fitness will have a strong SMS ability, its internal mechanism, and the inter-brain mechanism. In the present study, we recruited 23 dyads of long-distance runners as the experimental group and 22 dyads of non-physical education major students as the control group. Participants were required to perform a dyadic finger-tapping synchronization task. During task performance, neural activities were recorded in frontal area by the functional near-infrared spectroscopy (fNIRS)-based hyperscanning approach. The results revealed that the experimental group demonstrated superior SMS abilities in the seconds-scale task. This advantage was attributed to their enhanced stability. Importantly, significant interpersonal brain synchronization(IBS) in the right superior frontal gyrus (rSFG) was observed only in the experimental group during SMS task performance, and this IBS was associated with their superior stability. These findings provide new evidence supporting the relationship between physical activity, cognitive capabilities, and associated neural plasticity.
感觉运动同步（SMS）是指个体动作与可感知的外部事件和节奏的时间协调。先前的研究揭示了SMS能力与身体活动之间的潜在关系，并提出了与潜在的脑内认知过程的联系。然而，有氧适能良好是否会具有较强的SMS能力、其内在机制以及脑间机制仍有待探索。在本研究中，我们招募了23对长跑运动员作为实验组，22对非体育专业学生作为对照组。参与者被要求执行一项双人手指敲击同步任务。在任务执行过程中，通过基于功能近红外光谱（fNIRS）的超扫描方法记录额叶区域的神经活动。结果显示，实验组在秒级任务中表现出卓越的SMS能力。这一优势归因于他们增强的稳定性。重要的是，仅在实验组的SMS任务执行过程中，在右侧额上回（rSFG）观察到显著的人际脑同步（IBS），并且这种IBS与他们卓越的稳定性相关。这些发现为支持身体活动、认知能力和相关神经可塑性之间的关系提供了新证据。
