Spatial realignment in sensorimotor adaptation: taking the efficiency into account.

Spatial realignment in sensorimotor adaptation: taking the efficiency into account.
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感觉运动适应的空间重新排列:考虑效率

DOI:
10.1037/a0032123
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发表时间:
2013
期刊:
Journal of experimental psychology. Human perception and performance
影响因子:
--
通讯作者:
Müsseler
Müsseler
中科院分区:
--
文献类型:
--
作者:
Müsseler

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本研究综述了模块化方法在考虑认知效率的自适应运动控制中的应用。三个实验进行了比较不同的视觉学习机制(模块适应,使用依赖的可塑性,和空间重新排列)响应视觉旋转。在曝光过程中,在一个单一的目标场景中的闪烁运动的视觉反馈是顺时针(CW)或逆时针(CCW)旋转30左右的起始位置,分别。以交替顺序进行CW和CCW旋转的暴露。在适应旋转后,通过评估从一组未训练的起始位置到目标(实验1和2)或从训练的起始位置到一组新目标(实验3)的后效来评估泛化。基于不同的视觉学习机制的预测进行了比较的经验数据。尽管模块化结构具有明显的优势,但目前的工作可能会显示一个特殊的视觉转换案例,其中模块化缺乏效率。结果表明,自适应运动控制系统采用的空间重新调整,以更有效地完成适应。(PsycINFO数据库记录(c)2016阿帕,保留所有权利)
The present study reviewed the modular approach in adaptive motor control by taking cognitive efficiency into account. Three experiments were conducted to compare different visuomotor learning mechanisms (modular adaptation, use-dependent plasticity, and spatial realignment) in response to visuomotor rotations. During exposure, the visual feedback of flicking movements in a single-target scenario was rotated either 30 clockwise (CW) or counterclockwise (CCW) at the left and right starting locations, respectively. Exposure to the CW and CCW rotations was carried out in an alternating order. After adaptation to the rotations, generalization was evaluated by assessing aftereffects from a set of untrained starting locations to the target (Experiments 1 and 2) or from the trained starting locations to a set of new targets (Experiment 3). Predictions made based on the different visuomotor learning mechanisms were compared to the empirical data. In spite of evidential advantages of modular structure, the current work could show a particular case of visuomotor transformation, in which modularity lacks efficiency. Results indicate that the adaptive motor control system employed the spatial realignment to accomplish adaptation more efficiently.(PsycINFO Database Record (c) 2016 APA, all rights reserved)
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