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The Self-Prioritization Effect: Self-referential processing in movement highlights modulation at multiple stages
Attention, Perception, & Psychophysics ( IF 1.7 ) Pub Date : 2021-04-16 , DOI: 10.3758/s13414-021-02295-0
Clea Desebrock , Charles Spence

A wealth of recent research supports the validity of the Self-Prioritization Effect (SPE)—the performance advantage for responses to self-associated as compared with other-person-associated stimuli in a shape–label matching task. However, inconsistent findings have been reported regarding the particular stage(s) of information processing that are influenced. In one account, self-prioritization modulates multiple stages of processing, whereas according to a competing account, self-prioritization is driven solely by a modulation in central-stage information-processing. To decide between these two possibilities, the present study tested whether the self-advantage in arm movements previously reported could reflect a response bias using visual feedback (Experiment 1), or approach motivation processes (Experiments 1 and 2). In Experiment 1, visual feedback was occluded in a ballistic movement-time variant of the matching task, whereas in Experiment 2, task responses were directed away from the stimuli and the participant’s body. The advantage for self in arm-movement responses emerged in both experiments. The findings indicate that the self-advantage in arm-movement responses does not depend on the use of visual feedback or on a self/stimuli-directed response. They further indicate that self-relevance can modulate movement responses (predominantly) using proprioceptive, kinaesthetic, and tactile information. These findings support the view that self-relevance modulates arm-movement responses, countering the suggestion that self-prioritization only influences central-stage processes, and consistent with a multiple-stage influence instead.



中文翻译:

自我优先化效果:运动中的自我参照处理突出了多个阶段的调制

大量最新研究支持“自我优先效应”(SPE)的有效性,即“自我优先效应”在形状标签匹配任务中与他人关联刺激相比,对自我关联的反应具有性能优势。但是,关于受影响的信息处理的特定阶段,已经报告了不一致的发现。在一个帐户中,自我优先级调整了处理的多个阶段,而根据一个竞争性帐户,自我优先级仅由中央阶段信息处理中的调制来驱动。为了在这两种可能性之间做出决定,本研究测试了先前报道的手臂运动的自我优势是否可以通过视觉反馈(实验1)或接近动机过程(实验1和2)反映出反应偏差。在实验1中,在匹配任务的弹道运动时间变量中,视觉反馈被遮挡,而在实验2中,任务响应被定向为远离刺激和参与者的身体。在两个实验中都显示出自我在手臂运动反应中的优势。研究结果表明,手臂运动反应的自我优势不取决于视觉反馈的使用或自我/刺激定向的反应。他们进一步表明,自我相关性可以使用本体感受,动觉和触觉信息来调节运动反应(主要是)。这些发现支持这样一种观点,即自我相关性调节手臂的动作反应,从而反驳了自我优先级仅影响中心阶段过程而与多阶段影响一致的观点。

更新日期:2021-04-16
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