This is your brain. This is your brain on Christmas music. FA LA LA LA LA LA LA LA LA

From NBC News:

If it’s not started already, by the time the Thanksgiving meal is devoured and the stores open for Black Friday, Christmas music will be inescapable. After hearing ‘Rockin’ Around the Christmas Tree’ and ‘Frosty the Snowman’ for the umpteenth time, you might be hoping for a silent night.

Earlier this month Canada’s top pharmacy chain Shoppers Drug Mart Corp. heeded shopper complaints and put the holiday music on pause until later in the season. Even for people who celebrate Christmas, listening to the same seemingly inescapable seasonal songs over and over again may be incredibly irritating.

Endless loops of “Rudolph, the Red-Nosed Reindeer” or any tinsel-y tune can have a psychological impact known as the ‘mere exposure effect,’ says Victoria Williamson, Ph.D, who conducts research on the psychology of music at Goldsmiths, University of London. There’s a U-shaped relationship between the amount of times we hear music that we like and our subsequent reaction to it, she says.

As Williamson puts it, at first we like music a bit, then we like it more and more until it hits a peak. And then we crash down — we have overheard it. That’s when boredom and annoyance at the repetition of the same sound hits home. “Anyone who has worked in a Christmas store over the holidays will know what I’m talking about,” Williamson says. When asked why holiday music seems to have a polarizing effect, driving some people crazy while others like, or at least, can tolerate it, Williamson suggests that music’s effect on us in any situation depends on our own psychological state.

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