Exploration and selection of intralimb coordination patterns in 3-month-old infants
Exploration and selection of intralimb coordination patterns in 3-month-old infants
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DOI：
10.1080/00222890109601920
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发表时间：
2001-12-01
影响因子：
1.4
通讯作者：
Angulo-Kinzler, RM
中科院分区：
文献类型：
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作者：
Angulo-Kinzler, RM
通过探索自己的能力和选择适应性反应，婴儿学习新的运动解决方案。之前的研究人员利用共轭强化移动程序多次表明，婴儿会增加踢腿频率来控制连接到脚踝的移动设备。传统的实验设计允许使用多种运动解决方案来完成任务，因此提供了有关婴儿探索和选择特定运动解决方案的能力的有限信息。作者设计了一种新的实验程序来研究婴儿发现和采用特定运动解决方案的能力。新的、约束性的移动强化程序需要特定的运动响应，因此需要开发比之前实验证明的更精细的感知-动作图。为了从移动装置中获得强化，婴儿必须在同一条腿内协调地伸展髋部和膝部。 13 名婴儿参与者的结果表明，他们能够增加协调运动的频率以使移动器移动。这些结果表明，89-106 天的婴儿对肢体内部协调任务要求很敏感，并且能够将自己的肢体动态映射到环境信息。
Through the exploration of their own capacities and the selection of adaptive responses, infants learn new motor solutions. Using a conjugate reinforcement mobile procedure, previous researchers have repeatedly shown that infants increase their leg kick frequency to control a mobile that is connected to their ankles. That traditional experimental design allows multiple motor solutions to the task and therefore provides limited information about the infants' capacity to explore and select specific motor solutions. The author designed a new experimental procedure to study infants' capacity to discover and adopt specific motor solutions. The new, constraining mobile reinforcement procedure requires a specific motor response and therefore the development of a more finely tuned perception-action map than has previously been experimentally demonstrated. To gain reinforcement from the mobile, infants had to produce a coordinated hip and knee extension within the same leg. The results from the 13 infant participants showed that they were capable of increasing their frequency of coordinated movements to make the mobile move. Those results suggest that infants at the age of 89-106 days are sensitive to intral-imb coordination task requirements and are capable of mapping their own limb dynamics to the environmental information.