Sometimes it just seems like the whole world has gone crazy. Like when your colleagues, all serious people, cluster for precious minutes around a computer screen debating the color of a dress. And you see that, online, many other serious people are doing the same thing — say, at On Point or The New York Times.
— The Sentinel (@SentinelStaffs) February 27, 2015
— On Point – NPR (@OnPointRadio) February 27, 2015
— NYT Science (@nytimesscience) February 27, 2015
So though I was curious about the science behind the recent viral phenomenon known as “The Dress,” my first question for Boston-area neuropsychiatrist Dr. Jon Lieff was a more mundane “Why?” To quote one top Slate commenter, “How is this a thing?”
Not that it’s a bad thing. The dress phenomenon “informs people that perception is not what it seems,” Dr. Lieff says. “We think we see reality when in reality, what we see is what the brain wants us to see. And that leads us into philosophy…”
But let’s not go into philosophy just yet. (And you can read Dr. Lieff’s thoughts at more depth on his website, Searching for the Mind.) Let’s talk instead about why this of all optical illusions swept the Internet.
His bottom line: “Our brain is correcting for an imagined light source. That’s the problem.”
And what’s unusual about it: “This doesn’t usually happen with an illusion: In any crowd, you have half the people saying one thing and the other half saying another thing. And because of the type of illusion it is, once it’s fixed, your brain is going to keep you on the blue side or the white side. I’m sure you’ve seen other kinds of illusions where it flips back and forth. This is different. Once people choose their sides, they’re saying, ‘This is it, and I’m the right one and you’re the wrong one.’ So it’s captured the imagination, but in truth there are hundreds of these occurring all day long, that people don’t realize.”
“An example: if you’re watching a waterfall on the TV and your hand is on the desk, your hand thinks the desk is rising up. Continue reading