Spaced Repetition: The Scientific Method That Locks In Your Knowledge
The brain forgets in a predictable pattern. Spaced repetition combined with active recall turns study hours into durable knowledge for exam day.
You've read an entire chapter, understood it perfectly... and two weeks later you remember almost nothing. It's frustrating, but perfectly normal. The brain forgets — and it does so in a predictable pattern. The solution is called spaced repetition.
The forgetting curve
In the 19th century, the psychologist Hermann Ebbinghaus described the forgetting curve: newly learned information is lost rapidly if it is not reviewed. After a single exposure, you retain only a fraction of the material a few days later.
The good news: each review flattens the curve. The more intelligently you revisit the information, the longer you retain it.
Try an EDAIC-style MTF question on AnesCORE
Work through EDAIC-style Part 1 Multiple True/False questions — 30,000+ across all 14 topics, each statement with its own explanation.
What spaced repetition is
Spaced repetition means reviewing material at progressively increasing intervals: one day, three days, one week, two weeks, one month. Each successful review "pushes" the next review further out in time.
Combined with active recall (you try to remember before checking), spaced repetition is one of the best-documented learning techniques in cognitive psychology.
Answer an EDAIC-style question
This is one exam-format Part 1 multiple-true-false question from our bank. Mark each statement true or false, then see the worked answer.
Regarding the pathophysiology of oxygen delivery and consumption in circulatory shock:
Mark each statement true or false:
In healthy adults at rest, systemic oxygen delivery is approximately 1000 mL/min while oxygen consumption is about 250 mL/min, creating a physiological oxygen reserve.
When systemic oxygen delivery decreases, oxygen consumption immediately falls in direct proportion, indicating supply dependency at all levels of DO₂.
Cardiac output is determined by the product of heart rate and stroke volume, with stroke volume being influenced by preload, afterload, and myocardial contractility.
The unifying feature of all forms of shock, regardless of aetiology, is acute circulatory failure associated with inadequate cellular oxygen utilisation.
In septic shock, early goal-directed therapy targeting supranormal oxygen delivery values has been shown to consistently reduce mortality across all patient populations.
Why it works so well for EDAIC
The EDAIC syllabus is huge: pharmacology, physiology, doses, mechanisms, normal values. It is impossible to retain everything by re-reading. Spaced repetition:
- Automatically prioritises what you've forgotten — you review difficult cards more often.
- Saves time — you don't waste minutes on what you already master.
- Builds long-term memory — exactly what you need for exam day.
Practical tip: turn every hard-to-remember fact (a dose, a mechanism, a threshold value) into a flashcard. Let the spaced-repetition algorithm decide when you review it.
How to apply it in practice
1. Create short cards
One card = one idea. A clear question on one side, a concise answer on the other.
2. Be consistent every day
Ten minutes a day beats two hours once a week. Consistency is the key.
3. Be honest with yourself
Mark honestly how hard it was to remember. The algorithm depends on your sincere feedback.
Conclusion
Don't work harder — work smarter. Spaced repetition turns your study hours into durable knowledge, exactly the kind you need at EDAIC.
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