Eating Popcorn In The Cinema Makes People Immune To Advertising

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Eating popcorn in the cinema may be irritating not just for fellow movie goers, but for advertisers: a group of researchers from Cologne University has concluded that chewing makes us immune to film advertising.
The reason why adverts manage to imprint brand names on our brains is that our lips and the tongue automatically simulate the pronunciation of a new name when we first hear it. Every time we re-encounter the name, our mouth subconsciously practises its pronunciation. But this 'inner speech' can be disturbed by chewing, rendering the repetition effect redundant.