Justin Skycak(@justinskycak):Learning is a positive change in long-term memory, and long-term memory doesn’t change much when you just “follow along,” even if you understand perfectly. It’s the act of retrieving information from memory that really slows its decay. If you don’t practice retrieval, then the information quickly dissipates. It stays with you only briefly in short-term memory – just long enough to trick you into thinking it’ll stick with you for the long term, when it’s really on the way out the door. But, of course, if you don’t check that it’s there, you won’t notice that it’s gone.

Justin Skycak

@justinskycak

Chief Quant @_MathAcademy_ Built the engine behind the most efficient math learning system Created Fractional Implicit Repetition Author of The Math Academy Way

参加 December 2016

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Justin Skycak@justinskycak

2026.09.20 03:54

Learning is a positive change in long-term memory, and long-term memory doesn’t change much when you just “follow along,” even if you understand perfectly. It’s the act of retrieving information from memory that really slows its decay. If you don’t practice retrieval, then the information quickly dissipates. It stays with you only briefly in short-term memory – just long enough to trick you into thinking it’ll stick with you for the long term, when it’s really on the way out the door. But, of course, if you don’t check that it’s there, you won’t notice that it’s gone.

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