Makin Alexis D J, Poliakoff Ellen, Rampone Giulia, Bertamini Marco
Department of Psychological Sciences, University of Liverpool, United Kingdom.
Division of Neuroscience and Experimental Psychology, School of Biological Sciences, Faculty of Biological, Medical and Human Sciences, Manchester Academic Health Science Centre, The University of Manchester, United Kingdom.
Iperception. 2020 Oct 12;11(5):2041669520946356. doi: 10.1177/2041669520946356. eCollection 2020 Sep-Oct.
Visual symmetry perception and symmetry preference have been studied extensively. However, less is known about how people spontaneously scan symmetrical stimuli with their eyes. We thus examined spontaneous saccadic eye movements when participants ( = 20) observed patterns with horizontal or vertical mirror reflection. We found that participants tend to make saccades along the axis of reflection and that this oculomotor behaviour was similar during objective classification and subjective evaluation tasks. The axis-scanning behaviour generates a dynamic sequence of novel symmetrical images from a single static stimulus. This could aid symmetry perception and evaluation by enhancing the neural response to symmetry.
视觉对称感知和对称偏好已得到广泛研究。然而，人们如何用眼睛自发地扫视对称刺激物却鲜为人知。因此，我们研究了20名参与者观察具有水平或垂直镜像反射的图案时的自发眼跳运动。我们发现，参与者倾向于沿反射轴进行眼跳，并且这种眼动行为在客观分类和主观评估任务中是相似的。轴扫描行为从单个静态刺激中生成一系列动态的新颖对称图像。这可能通过增强对对称的神经反应来辅助对称感知和评估。
