实验四采用了闪烁范式，对聋人和健听人对简单图形刺激、正立人脸和倒立人脸的变化觉察进行了研究。

The fourth experiment employs the flicker paradigm, and subjects are asked to complete the change detection tasks using simple geometric figures, faces that are upright, and faces that are reversed.

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但现在我觉察到自己的想法有了变化。

Now I have noticed a change in my thinking.

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你一定会对自己感到很惊讶，所以当你觉察到生活中有大的变化时不要担心。

You would probably surprise yourself, so don't be afraid of perceived "big" changes in life.

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