Our minds are a jumble of memories; some we chuckle over with friends -- others we'd really rather forget.

Yet recalling events from childhood -- especially before the age of three -- can be difficult

But why?

Freelance journalist Alasdair Wilkins explores the disappearance of memory in children in his latest piece for Atlantic magazine. He spoke with Take Two's A Martinez along with professor of psychology Carole Peterson. She studies childhood memory at Memorial University of Newfoundland in Canada.