這是一張住在美國的緬甸朋友寄來的圖。圖片的說明如下:

If you see this lady turning in clockwise you are using your right brain.
If you see it the other way, you are using left brain.
Some people do see both ways, but most people see it only one way.

If you try to see it the other way and if you do see, your IQ is above 160 which is almost a genius.
Then see if you can make her go one way and then the other by shifting the brain's current.   
BOTH DIRECTIONS CAN BE SEEN
This was proved at  Yale   University , over a 5 year study on the human brain
and it's functions. Only 14% of the  US  population can see her move both ways.


我多看了幾次以後,發現可以任意讓她轉向,似乎不像是它說的,由左右腦控制。有了疑問,所以在網路上查了一下。我查到了一個英文網頁,最後兩段有提到它的原理

"So what does the spinning dancer tell us? The whole test is more of an optical illusion than anything else, according to Steven Novella, an academic clinical neurologist at Yale University School of Medicine who blogs on NeuroLogica."

"Depending on the assumptions made and visual cues picked up, your brain can make the dancer spin either way.

這證實了這圖只是視覺假象作用,和左右腦沒有關係。怕損及別人的文章所有權,所以我放了連結,原文要請大家自己去看了。


至於上面的那個圖,大家就玩玩看吧。

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