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The face you make when you’re in pain or anger is not that different than an ecstasy or orgasm face – and The Doctors have the science to back it up!

Watch: The Big "O" from a Rock?

According to a study by the Hebrew University of Jerusalem, our brain reacts in a very similar way to both of these very different emotions. Surgical breast specialist Dr. Kristi Funk explains why. “Both pain and pleasure have their genesis in the hypothalamus in your brain. So, if the same little organ in your brain is outputting pain signals and pleasure signals, then maybe the translation on your face will look the same,” she says.

Do you think you can tell the difference between a face in pain and a face in ecstasy or what about the difference between extreme anger and pure excitement?

Watch: How to Spot a Faker in the Bedroom

Put your identification skills to the test with a game of “Ouch or O?” with The Doctors and the audience in the video above! You might be surprised at how similar they are.