Tombu Michael, Jolicoeur Pierre
Department of Psychology, University of Waterloo, 200 University Avenue West, Waterloo, Ontario N2L 3G1.
Can J Exp Psychol. 2002 Mar;56(1):10-7. doi: 10.1037/h0087381.
The goal of the present experiment was to determine if object size rescaling in the shape-matching task requires central resources. Two polygons were presented side by side as the second task in a psychological refractory period paradigm. The polygons could be the same as each other or mirror images of each other and the size ratio between the two polygons was varied. In the first task, subjects were required to make a speeded response to the pitch of a tone. The polygon task followed at varying SOAs and the subjects then made a speeded same/mirror image judgement on the polygons. The size ratio effect was additive with SOA indicating that size rescaling is capacity demanding and that it requires central attention.
本实验的目的是确定在形状匹配任务中物体大小重新缩放是否需要中枢资源。在心理不应期范式中，两个多边形并排呈现作为第二项任务。多边形可以彼此相同或互为镜像，并且两个多边形之间的大小比例是变化的。在第一项任务中，要求受试者对音调的音高做出快速反应。多边形任务在不同的刺激间隔（SOA）下进行，然后受试者对多边形做出快速的相同/镜像判断。大小比例效应与刺激间隔呈累加关系，表明大小重新缩放需要能力，并且需要中枢注意。
