Universidad Nebrija, Madrid, Spain.
DePaul University, Chicago, IL, USA.
Atten Percept Psychophys. 2021 May;83(4):1424-1434. doi: 10.3758/s13414-020-02172-2. Epub 2021 Jan 13.
In the present paper, we explore the temporal dynamics of the flanker effect in the tactile modality and compare it with findings in the visual modality. We created a tactile version of the flanker task in which we presented groups of dots oriented either vertically or horizontally to a participant's fingertips. The target stimulus was presented to the middle finger, while the flanker stimuli were presented to the index and the ring fingers. Distributional analyses of the latency data show a tactile flanker effect: an overall facilitation for congruent target-flanker trials relative to incongruent trials, and a higher effect size for slower correct responses (higher quantiles) than for faster correct responses (lower quantiles). While this congruency effect may resemble the one typically reported in the visual modality, there are differences between these two modalities as well, mainly related to the relative speed of error and correct responses. These differences suggest that some of the mechanisms responsible for the flanker effect differ across sensory modalities.
在本文中，我们探讨了触觉模态中侧翼效应的时间动态，并将其与视觉模态中的发现进行了比较。我们创建了一个触觉版的侧翼任务，其中我们向参与者的指尖呈现垂直或水平定向的点组。目标刺激呈现给中指，而侧翼刺激呈现给食指和无名指。潜伏期数据的分布分析显示出触觉侧翼效应：相对于不一致的试验，一致的目标-侧翼试验总体上更容易，并且较慢的正确反应（较高的分位数）比较快的正确反应（较低的分位数）具有更高的效应量。虽然这种一致性效应可能类似于通常在视觉模态中报告的效应，但这两种模态之间也存在差异，主要与错误和正确反应的相对速度有关。这些差异表明，负责侧翼效应的一些机制在不同的感觉模态中是不同的。
