在人们的视觉区域中的各个部分并不是同等重要的，在一个特定的式样中，人们把知觉对象中的某一部分选择出来，视为图形，而把其余部分当作底面或背景。
The area of visual parts are not equally important, in a particular style, people take part in a selection object of consciousness, as the rest, and graphics as bottom or background.
至于计算机识别图形的原理是直接来自于人类知觉活动的规律。
The rule of graph which computer recognizes come from the rule of human perception activity directly.
实验结果表明：1、概念性内隐记忆任务中，在不可能图形中发现的启动效应，是对其进行概念性加工与知觉性加工共同作用的结果。
Our experiments shows that: 1. we can observe priming effect for impossible objects in the conceptual implicit memory task, it's the result of both conceptual and perceptual processing.
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