关键词: elite athletes exercise state fNIRS functional correction resting state tai chi chuan

来  源:   DOI:10.3389/fnhum.2022.913108   PDF(Pubmed)

Abstract:
This study aimed to reveal the characteristics of multi-circuit brain synergy between elite tai chi chuan athletes in resting and exercise states and to provide neuroimaging evidence of improvements in brain function by motor skill training. Functional near-infrared spectroscopy (fNIRS) was used to compare the brain activity of professional tai chi chuan athletes (expert group) and beginners (novice group) in resting and exercise states, and to assess functional connectivity (FC) between the prefrontal lobe and the sensorimotor zone. In the resting state, the FC between the left prefrontal lobe and the right sensorimotor area in the expert group was significantly lower than that in the novice group (P < 0.05). In the exercise state, the patterns of FC between the left prefrontal lobe and right sensorimotor area, the right prefrontal lobe and left sensorimotor area, and the left and right sensorimotor areas in the expert group were significantly lower than that in the novice group (P < 0.05). From the resting state to the locomotor state, the expert group experienced a greater absolute value of functional connection increment between the left prefrontal cortex and right sensorimotor area, and between the left sensorimotor area and right sensorimotor area (P < 0.05). This was positively correlated with the self-evaluation results of motor performance behavior. Under sports conditions, professional athletes\' multi-circuit brain FC strength is significantly reduced, and their elite motor skill performance supports the neural efficiency hypothesis. This may be related to the high adaptation of the brain to specific tasks and the improvement of the integration of somatic perception processing and motor function.
摘要:
本研究旨在揭示优秀太极拳运动员在静息和运动状态下的多回路脑协同作用特征,并为运动技能训练改善脑功能提供神经影像学证据。用功能近红外光谱(fNIRS)比较了专业太极拳运动员(专家组)和初学者(新手组)在静息和运动状态下的大脑活动,并评估前额叶和感觉运动区之间的功能连接(FC)。在静止状态下,专家组左前额叶和右感觉运动区之间的FC明显低于新手组(P<0.05)。在运动状态下,左前额叶和右感觉运动区之间的FC模式,右前额叶和左感觉运动区,专家组左、右感觉运动区明显低于新手组(P<0.05)。从静止状态到运动状态,专家组经历了一个更大的绝对值的功能连接增量之间的左前额叶皮层和右感觉运动区,左感觉运动区和右感觉运动区之间(P<0.05)。这与运动性能行为的自我评估结果呈正相关。在运动条件下,专业运动员\'多回路大脑FC力量明显下降,他们的精英运动技能表现支持神经效率假说。这可能与大脑对特定任务的高度适应以及躯体感知处理和运动功能整合的改善有关。
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