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brain tease

via Emily Sophie / TikTok

A TikTok video is making the rounds because it continues to make people question their own senses. In the video, a voice can be heard saying either the word "brainstorm" or the words "green needle."

What you hear depends on what you're thinking about when you read the screen.

So, if you play it while thinking "green needle," that's what you'll hear in the clip. The same goes for "brainstorm." Then, go back and forth between the two. It's a surreal experience.

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