The correct answer is neither. The cat isn't 'going' anywhere, it is 'coming' towards the viewer. Thus the question is fundamentally flawed and therefore invalid. P.S. As you can see from the risers the cat is coming down the stairs - all in all a rather sloppy question.
Ha! Nice try! Everyone knows cats don't come to viewers.....unless....oh my gosh....unless they're trying to kill them!!!
Rather than trying to figure out the truth by studying the cat's paws and the structure of the stair steps, I find it more interesting to feel "the little switch" in my brain flipping back and forth to perceive the cat as either climbing or descending.
I've seen lots of psychological gestalt pictures like this. Your brain can perceive it one way or the other, and you can flip it back and forth at will, but you can't perceive it both ways at the same time. Sometimes it takes some effort to discover the switch to see it the other way from your initial impression, but once you find the switch, you can start flipping it.
Rather than trying to figure out the truth by studying the cat's paws and the structure of the stair steps, I find it more interesting to feel "the little switch" in my brain flipping back and forth to perceive the cat as either climbing or descending.
Me to. I like to stare at these and just watch it flip back and forth.
Um, hate to spoil your party, but the train isn't moving forward of backwards. It's moving back and forth across the screen, giving the allusion of movemet due to it regular alternation red-white color pattern. Sorry:P
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*dashes away hurriedly*
I've seen lots of psychological gestalt pictures like this. Your brain can perceive it one way or the other, and you can flip it back and forth at will, but you can't perceive it both ways at the same time. Sometimes it takes some effort to discover the switch to see it the other way from your initial impression, but once you find the switch, you can start flipping it.
The human brain never ceases to amaze me.