Embodiment modifies attention allotment for the benefit of dual task performance.

Embodiment modifies attention allotment for the benefit of dual task performance.
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DOI:
10.1038/s42003-022-03603-6
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发表时间:
2022-07-14
影响因子:
5.9
通讯作者:
--
中科院分区:
生物学2区
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--
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许多日常任务,比如走在街上,需要我们双重任务,以避免我们摆动的手臂与其他行人碰撞。避免碰撞是可能的,因为人类注意到我们所有的(体现)四肢。但是,具体化水平如何影响注意力分配,从而影响双重任务中的任务绩效?在这里,我们研究了这个问题的双重任务,要求参与者执行提示按钮按下(主要任务)与他们的右手,而可能的碰撞作出反应的移动物体与左“机器人”的手(次要任务)。我们观察到,参与者一致提高主要任务的性能时,他们认为机器人手体现,当他们不。在两种情况下,次要任务的性能可以保持。我们的研究结果表明,肢体的体现修改注意分配的好处双电机任务性能使用四肢。通过一个双任务,即一个任务由右手完成,另一个任务由左手完成,研究表明肢体体现影响肢体之间的注意分配,从而提高双任务中的任务绩效。
Many everyday tasks, like walking down a street, require us to dual task to also avoid collisions of our swinging arms with other pedestrians. The collision avoidance is possible with ease because humans attend to all our (embodied) limbs. But how does the level of embodiment affect attention distribution, and consequently task performance in dual tasks? Here we examined this question with a dual task that required participants to perform a cued button-press (main task) with their right hand, while reacting to possible collisions by a moving object with a left ‘robot’ hand (secondary task). We observed that participants consistently improve main task performance when they perceived the robot hand to be embodied, compared to when they don’t. The secondary task performance could be maintained in both cases. Our results suggest that embodiment of a limb modifies attention allotment for the benefit of dual motor task performance using limbs. Using a dual task, in which one task was performed by the right hand and the other by the left hand, the study shows that limb embodiment affects attention distribution between limbs, and consequently improves task performance in dual tasks.
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