THE EAR WORM: How tunes get stuck in your head

Scientists may have found what makes a tune catchy, after locating the brain area where a song's "hook" gets caught. A US team from Dartmouth College, reported in the journal Nature, played volunteers tunes with snippets cut out. They scanned for brain activity and found it centred in the auditory cortex - which handles information from ears. When familiar tunes played, the cortex activity continued during the blanks - and the volunteers indeed said they still mentally "heard" the tunes.


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