ELi5: What happens in your brain when you forget something? and then how does the brain recall forgotten information?

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Bear with me. So for example you forget words in a foreign language or someone’s name… what has happened to the information in your brain? Does it just…disappear after a certain amount of time? Does it get “stored” somewhere else and it just takes longer to retreieve the information after a while? Maybe a bit harder to answer…is there a reason that sometimes the information comes back on its own (you recall it independently) and sometimes you have to relearn things (for example, a foreign language you used to speak and have to learn again after not speaking it for months/years)?

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Anonymous 0 Comments

Imagine your brain like a jungle with all these different pathways that you can walk through right? And everytime you do anything (litterally anything even walking) you are doing maitnence to the bridge and trimming leaves and stuff. When you dont keep check on a ceartin path it starts to get overrun and becomes unusable. Now imagine you have a bad habit that you’re trying to break. When you’re breaking the bad habit what youre doing is carving out a new entire path but if you had the choice between walking on a really rough path that barely has room to get through or a path that’s really easy to walk but a bit longer. Which are you choosing? Probably the longer one because it’s easier (that’s the bad habit) so what you want to do is let the easy path get overrun with weeds and become unusable and have the new path get carved out and be a shorter path with better scenery.

Edit: with how long it takes to start forgetting stuff it takes longer for some things. For walking it takes years because every time you take a step you get a repetition that cleans the path polishes it does whatever. When you get a kink in your memory it’s because just a ceartin part is harder to walk through as its overgrown. When you have to relearn a small part in the middle it’s because the middle is overgrown so once it gets cleared out it becomes all available again the entire path

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