Understanding 'Eh'll heh a peh' is like being bilingual

Researchers at Abertay University in Dundee says being fluent in both your dialect and standard English is as good as speaking two different languages.

That is when it comes to how your brain handles them.

They have found that the brains of people who are equally fluent in two dialects work in the same way as those who speak two languages.

Watch Timeline on BBC Two Scotland on Thursdays at 19:30. Or catch up on iPlayer.