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首页> 外文期刊>Gait & posture >Effects of light touch on postural sway and visual search accuracy: A test of functional integration and resource competition hypotheses
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Effects of light touch on postural sway and visual search accuracy: A test of functional integration and resource competition hypotheses

机译：轻触对姿势摇摆和视觉搜索准确性的影响：功能整合和资源竞争假设的检验

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People often multi-task in their daily life. However, the mechanisms for the interaction between simultaneous postural and non-postural tasks have been controversial over the years. The present study investigated the effects of light digital touch on both postural sway and visual search accuracy for the purpose of assessing two hypotheses (functional integration and resource competition), which may explain the interaction between postural sway and the performance of a non-postural task. Participants (n = 42, 20 male and 22 female) were asked to inspect a blank sheet of paper or visually search for target letters in a text block while a fingertip was in light contact with a stable surface (light touch, LT), or with both arms hanging at the sides of the body (no touch, NT). The results showed significant main effects of LT on reducing the magnitude of postural sway as well as enhancing visual search accuracy compared with the NT condition. The findings support the hypothesis of function integration, demonstrating that the modulation of postural sway can be modulated to improve the performance of a visual search task. (C) 2015 Elsevier B.V. All rights reserved.
机译：人们在日常生活中经常承担多项任务。但是，多年来，同时进行的姿势和非姿势任务之间的交互机制一直存在争议。为了评估两个假设（功能整合和资源竞争），本研究调查了轻数字触摸对姿势摇摆和视觉搜索准确性的影响，这可以解释姿势摇摆和非姿势任务的执行之间的相互作用。 。参与者（n = 42，男性20，女性22）被要求检查一张空白的纸，或者在指尖轻轻接触稳定表面（轻触，LT）的情况下目视搜索文本块中的目标字母，或者双手悬在身体两侧（不接触，NT）。结果显示，与NT条件相比，LT在降低姿势摇摆幅度以及增强视觉搜索准确性方面具有重要的主要作用。这些发现支持了功能集成的假设，表明可以对姿势摇摆的调制进行调制以改善视觉搜索任务的性能。 （C）2015 Elsevier B.V.保留所有权利。

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