Memories can also be thought of as dreamlike. They’re more a romantic story than a faithful document of a life event. And there’s good content to be found in these dreamy recollections we have of past experiences.

Our sense of who we are depends, in significant part, on our memories. And yet they’re not to be trusted. ‘What is selected as a personal memory,’ writes Professor of psychology and neuroscience Giuliana Mazzoni, ‘needs to fit the current idea that we have of ourselves.’

People are made of stories. Our memories are not the impartial accumulation of every second we’ve lived; they’re the narrative that we assembled out of selected moments. Which is why, even when we’ve experienced the same events as other individuals, we never constructed identical narratives: the criteria used for selecting moments were different f