英语口语考试PPT——视觉误差

Which line is much longer?
Rotating（旋转）??
How about look back and forth？
Concenrate on the cross in the middle,after a while notice that this moving purple dot will turn green!!把目光集中在+字，你会发现，移 动的紫点会变绿。
Reference:
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Thanks for your listening
• Now I will ask you some questions……
• You see a women is circling,but right or left Research shows that if you see her circling cuonter-clockwise（逆时 针旋转） to the left ,you use your left brain;or else you use your right brain..about 14% can see two sides…
Who do you see??
• It is said that if you see Albert Einstein Good luck you have a good eyesight； • you need wear a pair of glasses if you see Marilyn Monroe （玛丽莲梦露） !
• How many people?? 12or 13??
Please wait a moment……
Best things last…..
• if you are timid(胆小的)，do not have a try!
Follow the instruction below. 1) stare at the little dots on the middle of the picture for 30 seconds 盯住中间的四个小点，坚持30秒 2) then look at a wall near you 然后往你附近的墙上看 3) a bright spot will appear 会出现一个明亮的东西 4 twinkle a few times and you will see a figure 闪过几次后你会看见一个头像 5）what do you see? Or even WHO do you see 看到了什么或者or
（视觉误差）
The human brain…
Trick（欺骗）us whenever it can!
If something is rotating（旋转）-go home, （旋转） you need have a break！
Parallel or not?
Look at the cross a bit longer and you will notice that all dots except the green one will disappear..盯住+ 字形，时间再长一 点，你会发现，除 了绿色的点外，其 他点都消失了。。。
Do not believe your eyes • Seeing is believing,(眼见为实）it is wrong!!!!!!!!!