利用Mu節律探索鏡像神經系統在運動意象的角色

運動場上常使用意象訓練來提升運動表現，不論從第一人稱觀點來學習動作技能或是從第三人稱觀點來複演技戰術。這種對影像的儲存─放映機制猶如鏡像神經元對動作的觀察－執行配對模式。鏡像神經元在動作的觀察、意象與執行時活化，並且透過對動作的意圖和對動作情境的理解產生模仿學習，發展出心智理論的能力，這些都可在Mu節律去同步化上觀察到。Mu節律為8-13Hz與動作學習歷程有關，Mu節律去同步化功率越強，代表鏡像神經元涉入越多，對學習效果越佳。Mu節律去同步化對動作執行、目標導向動作、理解動作意圖、個體過去經驗，甚至社會情境都具有相當的敏銳度。動作意象不論在動作複演與情境模擬上所活化的腦區皆與鏡像神經相似。過去研究已證實意象訓練能促進運動表現，但並未從鏡像神經元的角度來解釋意象可能對運動表現的促進效果。因此本研究試圖利用Mu節律去探索鏡像神經元的神經網絡連結功能以了解意象機制可能的運作機轉，並建議未來Mu節律在理論與實際上的研究方向。

關鍵字

意象訓練；神經網絡；動作系統

並列摘要

Imagery training through first-person perspective and third-person perspective is often used to rehearsal skills and tactics to enhance athletic performance in the athletic field. This stored-show mechanism looks like the observation-execution mapping model of mirror neurons. Mirror neuron activates while motor Observation, image and execution, and produces imitation learning by actions intention and understanding of the context, and develops the ability of theory of mind, which can be observed on Mu rhythm desynchronisation. Mu rhythm, 8-13 Hz, is associated with motor learning process. The more Mu rhythm desynchronizes, the more mirror neurons involved, the better learning results. Mu rhythm desynchronisation is more sensitive to action execution, goal-directed actions, understanding the actions intentions, individual past experience or social context. Motor image activates brain regions are similar to the mirror neurons whether in motor rehearsal or in context simulation. Past studies have confirmed that imagery training could stimulate athletic performances, but seldom explain promoting effect of sports performance from mirror neuron perspective. This study attempted to utilize Mu rhythms to explore linking function the mirror neurons in the neural network and to get a whole picture how it works, and offered theoretical and practical recommendation in future researches.

並列關鍵字

imagery training ； neural network ； motor system

參考文獻

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