Further Evidence That People Rely on Egocentric Information to Guide a Cursor to a Visible Target.

Further Evidence That People Rely on Egocentric Information to Guide a Cursor to a Visible Target.
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DOI:
10.1177/03010066211048758
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发表时间:
2021-10
期刊:
影响因子:
1.7
通讯作者:
Brenner E
Brenner E
中科院分区:
心理学4区
文献类型:
--
作者:
Crowe EM;Bossard M;Karimpur H;Rushton SK;Fiehler K;Brenner E

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日常运动由物体相对于场景中其他物体的位置(以自我为中心的信息)以及物体相对于自身的位置(以自我为中心的信息)引导。Allocentric信息可以引导运动到隐藏对象的记忆位置,但当对象保持可见时,它也会被使用吗?为了刺激使用以自我为中心的信息,参与者的手指的位置控制了他们用来拦截移动目标的光标的速度,所以手和光标的自我中心位置之间没有一对一的映射。我们评估了参与者是否依赖于allocentric信息,同时转移所有任务相关的项目,保持他们的allocentric关系不变。如果参与者依赖于以他为中心的信息,他们就不应该对这种干扰做出反应。然而,他们做到了。他们根据对每个项目的反应独立地做出反应,支持快速指导正在进行的运动主要依赖于自我中心信息的想法。
Everyday movements are guided by objects’ positions relative to other items in the scene (allocentric information) as well as by objects’ positions relative to oneself (egocentric information). Allocentric information can guide movements to the remembered positions of hidden objects, but is it also used when the object remains visible? To stimulate the use of allocentric information, the position of the participant’s finger controlled the velocity of a cursor that they used to intercept moving targets, so there was no one-to-one mapping between egocentric positions of the hand and cursor. We evaluated whether participants relied on allocentric information by shifting all task-relevant items simultaneously leaving their allocentric relationships unchanged. If participants rely on allocentric information they should not respond to this perturbation. However, they did. They responded in accordance with their responses to each item shifting independently, supporting the idea that fast guidance of ongoing movements primarily relies on egocentric information.
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