Anticlockwise or clockwise? A dynamic Perception-Action-Laterality model for directionality bias in visuospatial functioning.

Anticlockwise or clockwise? A dynamic Perception-Action-Laterality model for directionality bias in visuospatial functioning.
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DOI:
10.1016/j.neubiorev.2016.06.032
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发表时间:
2016-09
影响因子:
8.2
通讯作者:
Likova, Lora T.
Likova, Lora T.
中科院分区:
医学1区
文献类型:
--
作者:
Karim, A. K. M. Rezaul;Proulx, Michael J.;Likova, Lora T.

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在回顾了视觉心理物理学和视觉神经科学相关文献的基础上,我们提出了视觉空间功能中方向性偏差的三阶段模型。我们把这个模型称为“感知-行动-横向性”(PAL)假说。我们分析了广泛的视觉空间任务的研究结果,表明有两个主要的方向性趋势:顺时针和逆时针。这些偏好似乎是组合的,因此大多数人属于第一类,他们偏爱从左到右而不是从右到左排列的刺激/物体,而第二类人则表现出相反的趋势。这些感知偏差可以引导感觉运动整合和行动,在人群中形成两个相应的特纳群体。为了支持PAL,我们提出了另一个模型来解释偏见的起源-神经遗传因素和文化因素如何在有偏见的竞争框架中相互作用,以确定偏见的方向和程度。这种动态模型不仅可以解释两大类偏倚,而且可以解释视觉功能中的无偏倚、不可靠偏倚或轻度偏倚情况。
Reviewing the relevant literature in visual psychophysics and visual neuroscience we propose a three-stage model of directionality bias in visuospatial functioning. We call this model the ‘Perception-Action-Laterality’ (PAL) hypothesis. We analyzed the research findings for a wide range of visuospatial tasks, showing that there are two major directionality trends: clockwise versus anticlockwise. It appears these preferences are combinatorial, such that a majority of people fall in the first category demonstrating a preference for stimuli/objects arranged from left-to-right rather than from right-to-left, while people in the second category show an opposite trend. These perceptual biases can guide sensorimotor integration and action, creating two corresponding turner groups in the population. In support of PAL, we propose another model explaining the origins of the biases– how the neurogenetic factors and the cultural factors interact in a biased competition framework to determine the direction and extent of biases. This dynamic model can explain not only the two major categories of biases, but also the unbiased, unreliably biased or mildly biased cases in visuosptial functioning.
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