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Key Facts In This Video
The term "earworm" entered the English language in the 1970s by way of the German word "ohrwurm." 00:52
The Zeigarnik Effect makes your brain keep a task that's in progress in your working memory, then tosses it out when you're done. 03:54
Chewing gum may interfere with the same processes your brain is using to play the song. 05:14