this post was submitted on 05 Jan 2024
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Explain Like I'm Five
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What about recurring dreams though? I've had some dreams where the most notable part was that it was a location that only existed in my dreams but I'd been there before in previous dreams. Wouldn't you need some kind of recollection to notice that?
I had recurring dreams like that too, but I came to the conclusion that it was just my mind playing tricks and making me think that I had that dream before. It's like a dream deja vu.
There's a few logical possibilities here.
#1 is that whatever stimuli produced it the first time keeps producing it later.
#2 is that you clearly did remember them enough, possibly when you woke up, to commit it to long term memory. This is a tautology, because you would have to remember it to know that it was in previous dreams.
#3, as someone mentioned below, is your mind playing tricks on you. Ever had a dream where you knew an object was something important and specific, even though its appearance in the dream was clearly not that? E.g. you know you're at your (specific) friend's house, but that's not at all what their house looks like. Dreams have a lot of weird substitutions like this, including the idea that you've been somewhere before