Paradoxical benefits of dual-task contexts for visuomotor memory.
Paradoxical benefits of dual-task contexts for visuomotor memory.
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DOI:
10.1177/0956797614557868
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发表时间:
2015-02
影响因子:
8.2
通讯作者:
Bédard P
中科院分区:
文献类型:
--
作者:
Song JH;Bédard P
It is generally thought that more attention helps when learning a new task. However, using a dual-task paradigm, we showed that the rate of learning was the same regardless of attentional distraction from a secondary task. Yet, when tested later, a motor skill learned under distraction was remembered only when a similar distraction was present. When tested without the distracting task, performance reverted to untrained levels. This paradoxical result, in which performance decreases when more attentional resources are available, suggests that the dual-task context, or the lack thereof, acts as a vital context for learning. This task context-dependent “savings” was evident even when the specific secondary task or sensory modality differed between learning and recall; thus, it is the dual-tasking, rather than the specific stimuli, that provides context. This new discovery suggests that without considering the role of task contexts, the stability of learning and rehabilitation programs may be diminished.
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