Lazarus J A, Todor J I
Department of Physical Education and Dance, University of Wisconsin-Madison 53706.
Dev Med Child Neurol. 1991 Jan;33(1):32-9. doi: 10.1111/j.1469-8749.1991.tb14783.x.
The effect of attentional processes in regulating associated movement was studied in 10 male children in each of five age-groups from six to 16 years. They were asked to squeeze their index finger and thumb to 75 per cent of their own maximal volitional force under three conditions: a spontaneous baseline condition, a sensory feedback condition and a post-training condition without sensory feedback. Children of all ages were able to reduce the magnitude of associated movements during the sensory feedback condition. In the post-training condition some of the ability to inhibit was lost, particularly for the six-year-olds. This supports the view that the integration of higher order processes, such as attention, with lower-level neuromotor inhibitory mechanism, plays a role in the reduction of associated movement with increasing age. Implications for therapy with clinical populations are discussed.
研究了注意力过程在调节关联运动中的作用，研究对象为5个年龄组（6至16岁）中每组10名男童。他们被要求在三种条件下将食指和拇指挤压至自身最大自主力量的75%：自发基线条件、感觉反馈条件和无感觉反馈的训练后条件。所有年龄段的儿童在感觉反馈条件下都能够减小关联运动的幅度。在训练后条件下，一些抑制能力丧失了，尤其是6岁儿童。这支持了这样一种观点，即诸如注意力等高阶过程与较低水平的神经运动抑制机制的整合，在随着年龄增长减少关联运动方面发挥着作用。文中还讨论了对临床人群治疗的启示。
