Millions of TikTok users are watching videos of the viral bottle-smashing trend, in which bottles and jars filled with drinks or food are rolled down steps before smashing.
ASMR is being studied in psychology laboratories while researchers try to discern what exactly might be happening in the brains of people who enjoy these videos.
the brain's electrical activity as participants watch ASMR-inducing videos and report changes in their state of relaxation.
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