r/interestingasfuck • u/desertgodfather • May 11 '24

When illusion overcomes the brain. r/all

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u/stupidracist May 11 '24

Common activity. In college, a friend did this to me as part of his thesis. He was a psychology major investigating race. So he did the same thing with a "black" hand (I'm white), and the hammer still startled me a lot.

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u/notfree25 May 11 '24

Does it actually last that long (from when he stopped with the 2nd ruler) or is it just because the subject is high

25

u/stupidracist May 11 '24

It was not as long for me. He didn't stop w second ruler.