![]() ![]() ![]() They also played the participants a number of more pleasant noises. Their top ten most irritating sounds, with links to audio files for the worst five (although we can’t imagine why you’d want to listen): As part of their research, published last week in the Journal of Neuroscience, they put 16 participants in an MRI machine, played them a range of 74 different sounds and asked them to rate which were most annoying. When it comes to noises that bother everyone’s ears, it’s seemingly a given that scraping fingernails across a slate board is the one that everyone hates most.īut when a group of neuroscientists decided to test which sounds most upset the human brain, they discovered that fingernails on a chalkboard isn’t number one. It’s so universal that it’s become a cliché: nails on a chalkboard. A new study examines which sounds are most unpleasant to the human ear.
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