A model of different cognitive processes during spontaneous and intentional coupling to music in multiple sclerosis
A model of different cognitive processes during spontaneous and intentional coupling to music in multiple sclerosis
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DOI：
10.1111/nyas.14023
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发表时间：
2019-06-01
影响因子：
5.2
通讯作者：
Leman, Marc
中科院分区：
文献类型：
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作者：
Moumdjian, Lousin;Moens, Bart;Leman, Marc
越来越多的证据表明，在神经康复中使用听觉-运动耦合来促进行走。然而，自发耦合和预期耦合之间的区别及其潜在机制还有待研究。在这项研究中，我们将30名多发性硬化症患者和30名健康对照者（hc）纳入了一项实验中，在两个阶段中，参与者被要求随着不同节奏的音乐行走，以2%的增量步伐匹配他们喜欢的步行节奏（PWC），最高可达10%以上。在第一阶段，没有给出同步的指令。在第二组中，参与者被要求与节拍同步。自发性同步在PWC的0%和+2%时是可能的，与hc相比，多发性硬化症患者能够做到这一点的人数较少。所有参与者都需要以高于+2%的节奏同步指令。在指导课程中，+6%的条件标志着认知障碍患者的界限，因为他们不再能够同步。基于我们的研究结果，我们构建了一个模型，说明自发夹带是有限的，在自发耦合期间仅在普华永道的0%和+2%进行操作，并且在更高的速度下，夹带需要有意识的同步，并具有主动的认知控制机制。
Evidence for using auditory-motor coupling in neurological rehabilitation to facilitate walking is increasing. However, the distinction between spontaneous and intended coupling and its underlying mechanisms is yet to be investigated. In this study, we include 30 persons with multiple sclerosis and 30 healthy controls (HCs) in an experiment with two sessions in which participants were asked to walk to music with various tempi, matching their preferred walking cadence (PWC) up to 10% above in incremental steps of 2%. In the first session, no instructions were given to synchronize. In the second, participants were instructed to synchronize steps to the beats. Spontaneous synchronization was possible at 0% and +2% of the PWC, and fewer persons with multiple sclerosis were able to do so compared with HCs. Instruction was needed to synchronize at above +2% tempo in all participants. In the instructed session, the +6% condition marked a cutoff for cognitively impaired persons, as they were no longer able to synchronize. Based on our findings, we constructed a model illustrating that spontaneous entrainment is limited, operating during spontaneous coupling at only 0% and +2% of the PWC, and that at a higher tempo, entrainment requires intentional synchronization, with an active cognitive control mechanism.