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August 17, 2020 10:50 pm

'We Won't Remember Much of What We Did in the Pandemic'

Tim Harford, writing for Financial Times (not paywalled): Last spring, I returned from the holiday of a lifetime in Japan, and reflected on the richness of the memories it had generated. Time flew by while I was there, but in hindsight 10 days somewhere vividly new had produced more memories than 10 weeks back home. I likened the effect to the compression of a film. Instead of storing each frame separately, video compression algorithms will start with the first frame of a scene and then store a series of "diffs" -- changes from one frame to the next. A slow, contemplative movie with long scenes and fixed cameras can be compressed more than a fast-moving action flick. Similarly, a week full of new experiences will seem longer in retrospect. A month of repeating the same routine might seem endless, but will be barely a blip in the memory: the "diffs" are not significant enough for the brain to bother with. After months of working from home, I now realise that there was something incomplete about this account. New experiences are indeed important for planting a rich crop of memories. But, by itself, that is not enough. A new physical space seems to be important if our brains are to pay attention. The Covid-19 lockdown, after all, was full of new experiences. Some were grim: I lost a friend to the disease; I smashed my face up in an accident; we had to wear masks and avoid physical contact and worry about where the next roll of toilet paper was coming from. Some were more positive: the discovery of new pleasures, the honing of new skills, the overcoming of new challenges. But I doubt I am alone in finding that my memory of the lockdown months is rather thin. No matter how many new people or old friends you talk to on Zoom or Skype, they all start to smear together because the physical context is monotonous: the conversations take place while one sits in the same chair, in the same room, staring at the same computer screen.>

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