Challenges teachers and students face?
Teachers
Students forget
right away?
Hard to see
class retention status?
Review instructions
become meaningless?
Students
Memorized before the test...
Can't recall during exam?
Understood in class...
Forget it quickly?
Studying hard...
Grades won't improve?
Ever experienced this?
I thought I remembered...
Can't recall it?
I studied...
Forget it quickly?
I'm trying hard...
Doesn't seem to stick?
Why do we forget?
How memory works according to neuroscience
- Understanding alone does not yet mean the knowledge has been retained.
- Information that is not revisited tends to become harder to retrieve over time.
- When the same information is input repeatedly, the brain judges it 'important'
- Synapses (neural connections) are strengthened and become 'long-term memory'
...therefore
※Based on Ebbinghaus's forgetting curve and synaptic plasticity research
Feeling like you've 'already memorized it' right after studying is a brain illusion proven in cognitive psychology.
- 1. Illusion of Competence：Right after studying, information is easily recalled, creating the illusion that it will be retained long-term. In reality, it's only in short-term memory and will be rapidly forgotten without review. Koriat A & Bjork RA (2005) Illusions of competence in monitoring one's knowledge
- 2. Fluency Illusion：When re-reading a textbook, 'reading smoothly = understanding' feels true, but this is merely familiarity. Reading fluency and memory retention are different things. Bjork RA (1994) Memory and Metamemory Considerations
In other words, the feeling of being 'fine' is the biggest reason people don't review. Recognizing this illusion is the first step to effective learning.
The reasons why the brain actively erases memories have been revealed by recent neuroscience research.
- 1. Prevention of Cognitive Overload：The hippocampus selectively erases unnecessary information to improve the storage and retrieval of relevant memories. This prevents cognitive overload. Davis RL (2017) The Biology of Forgetting
- 2. Behavioral Flexibility：Being bound by old information prevents adaptation to new situations. Forgetting enables 'relearning' and enhances adaptability to environmental changes. Anderson MC (2021) Active Forgetting
- 3. Goal Achievement Efficiency：Processes controlling goal-oriented behavior actively forget memories that interfere with behavioral goals. This is a mechanism for maintaining concentration. Bekinschtein P (2018) Nature Communications
- 4. Emotional Regulation：Remembering unpleasant memories vividly for a long time is mentally distressing. Forgetting is also a function that protects mental health. Nørby S (2015) On the Adaptive Value of Memory Loss
In other words, forgetting is not a 'flaw' in the brain — it's by design. That's why reviewing is essential to signal to the brain: 'This information is important.'
Review helps memory retention
Can 'understand' but
can't 'use'?
'Understanding' and 'Using' are different
※ Especially in language learning
💡 In simple terms...
Memory has levels.
Even if you think you've 'memorized' it, whether you stopped at ❸ or reached ❺ makes a huge difference in test and practical results.
Even if you get the 'correct' answer on multiple choice, it's meaningless if you can't actually use it.
Ankimo uses a 'see the question, recall the answer yourself' format.
We support vocabulary acquisition at a 'usable' level.
⬇️
Ankimo solves all these problems!
Before (Before Ankimo)
Can't see learning status
Reviews become meaningless
After (After Ankimo)
Visualize learning status
App supports personalized review
Before (Without Ankimo)
Thought I remembered,
but forgot before I knew it?
After (After Ankimo)
From today, reviews start flowing...
Review habits form naturally
Notifications at optimal timing based on forgetting curve
Auto-reminders based on evidence from spaced repetition research. Prompts review before students forget.
A study comparing 10 learning methods found only 'distributed practice' and 'practice testing' rated high utilityDunlosky et al. (2013) Psychological Science in the Public Interest
Reach 'usable' level
Students acquire vocabulary through recall format. This supports movement toward productive vocabulary.
Research: Studies show that retrieval-based practice leads to significantly less forgetting over time than re-reading alone (Roediger & Karpicke, 2006)Roediger & Karpicke (2006) Psychological Science
Visualize each student's memory status
See who knows what at what level in the dashboard at a glance.
Review notifications before forgetting
Send review reminders based on the forgetting curve. Supports long-term memory retention.
A study comparing 10 learning methods found only 'distributed practice' and 'practice testing' rated high utilityDunlosky et al. (2013) Psychological Science in the Public Interest
Reach 'usable' level
Acquire VKS 4-5 (productive vocabulary) level through recall format. This supports movement toward productive vocabulary.
Research: Studies show that retrieval-based practice leads to significantly less forgetting over time than re-reading alone (Roediger & Karpicke, 2006)Roediger & Karpicke (2006) Psychological Science
Visualize your memory status
See at a glance what you remember and what you're forgetting. Review efficiently.
This is how memory retention works
Starting with simple things...
To slightly difficult content...
Creating hints is a key to answer recall
Click [Register] button!
Reminder notification for review
※Please allow notifications in your phone's browser
See the question, recall the answer
Look at hints if you don't know
Choose when you think you'll remember
Click [Update] button!
Next notification arrives at your chosen timing
Memory retention through repetition!