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How memory works
What happens in your head when you learn a word, and how reviews keep it there. 9 posts.
How memory worksSeries · 9 parts · 34 min
FSRS-6: How we learned to schedule remembering — a series
Part 9How memory worksHow OOWN turns practice into a review schedule
OOWN interprets exercise results before updating FSRS-6, so practice can inform the schedule without counting every repeat as fresh evidence.Oct 21, 2026 · 4 min readPart 8How memory worksWhat changed in FSRS-6
FSRS-6 expanded to 21 parameters, made forgetting-curve decay trainable, and revised how short review intervals affect stability.Oct 21, 2026 · 3 min readPart 7How memory worksThe three estimates behind an FSRS review
Difficulty, stability, and retrievability help FSRS turn a review history into an estimate of when to ask again.Oct 21, 2026 · 4 min readPart 6How memory worksHow review schedules learned to adapt
Card boxes, SM-2, and FSRS each carry information from an answer into the next review. What they remember about the card differs.Oct 21, 2026 · 4 min readPart 5How memory worksWhy one review calendar doesn't fit everyone
A fixed review schedule can be a useful start. Different words and different learning histories soon call for different intervals.Oct 21, 2026 · 4 min readPart 4How memory worksWhen is a review worth your time?
An immediate repeat and a review after a long break provide different evidence. A useful schedule balances practice, recall, and time.Oct 21, 2026 · 4 min readPart 3How memory worksWhat a forgetting curve can and can't tell you
Forgetting doesn't follow one universal countdown. The curve describes a pattern, while a useful schedule needs more context.Oct 21, 2026 · 4 min readPart 2How memory worksThe man who tried to measure forgetting
Hermann Ebbinghaus studied forgetting by measuring the work needed to learn something again, even when he could no longer recall it.Oct 21, 2026 · 3 min readPart 1How memory works