Jeez it was just a light-hearted comment. I think you can address your doubts about what I wrote with more kindness and less snark.
> None of them "churn".
By churn I mean "lose and hopefully be replaced". That definitely happens. Some brain cells die and are replaced, some live your whole life (or die first)[0].
The cabinet is just a simile for cued recall[1]. More recently learned/recalled items are remembered better (front of the cabinet)[2]. Recalling memories in a different context can change them[3], suggesting recall isn't a "read only" operation.
> None of them "churn".
By churn I mean "lose and hopefully be replaced". That definitely happens. Some brain cells die and are replaced, some live your whole life (or die first)[0].
The cabinet is just a simile for cued recall[1]. More recently learned/recalled items are remembered better (front of the cabinet)[2]. Recalling memories in a different context can change them[3], suggesting recall isn't a "read only" operation.
[0] https://www.livescience.com/33179-does-human-body-replace-ce... [1] https://en.wikipedia.org/wiki/Recall_(memory)#Cued_recall [2] https://memory.psych.upenn.edu/files/pubs/KahaMill10.pdf [3] https://news.northwestern.edu/stories/2012/09/your-memory-is...