In America, this test was used on a crime suspect, he sees the picuture spinning very fast. BUT for most adults and children, this picutre is very still.

• 美国曾经以此作为犯罪嫌疑人的心理测试，他看到的图片是高速旋转的，而大部分的老人和儿童看这幅图片是静止的。