Hypnotic suggestion (?)

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Hello everyone

 

I love to see Derren Brown (mentalist, illusionist) at work; he manipulates one's brain into believing or thinking what he wants one to believe or think; a very simplistic example I used on a friend of mine (without him knowing of it):

 

I asked this friend to pick a random number from 0 to 10. I would guess that number.

I guessed correctly: 8.

Well, ok.. There's a chance of 1/10, which is relatively big.

How I made him pick 8? Just say a lot of phrases in which the word/pronunciation 'eight' (~ 'ait') is hidden subtle.

 

So, this is a very simple form of what I think is called (hypnotic) suggestion, and I was wondering if anyone knows if this is hypnotic suggestion, and if someone could give me more fun experiments I could practice

 

Thanks!

 

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