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How to Improve Your IB Memory: 5 Strange Hacks

How to Improve Your IB Memory: 5 Strange Hacks

4 min read | Lanterna Team | January 27, 2026

Learn how to improve your IB memory with 5 strange, expert-approved revision tips. Use scents, audio notes, and other IB memory hacks to boost your exam scores.

5 Strange Memory Hacks for IB Students

As IB students, we’re looking for every advantage we can possibly get when it comes to improving our memory. Countless classes in the IB feel like they’re testing your ability to memorize information more than your ability to actually understand and explain it. Psychology, Biology, Economics, and History are often cited as the most difficult classes to recall all the information from because the syllabus is just so large! At Lanterna our tutors have tried every possible way to improve our memory, and there’s a few strange hacks that have stuck with us! Try these out and see if they make a difference for you!

Scents

It is well-documented that specific scents can actually help trigger particular memories. If you do your revision wearing a particular pungent perfume and then apply that perfume prior to taking your exam, your brain will actually be slightly better at remembering the information that you’d revised! Your brain makes associations between senses and information, so might as well use that to your advantage!

The Lanterna Tip: A study from Northumbria University says that Rosemary or Rosemary Oil is the best possible scent to apply before a test! Students working in a room with an aroma of rosemary displayed 5-7% better results. That could be the difference between a 6 and a 7 in the IB! Try this out next time you’re sitting a test.

Taking a Walk

According to the study “Basal ganglia volume is associated with aerobic fitness in preadolescent children” published in 2010, all other things being equal, students who get 20 minutes of exercise prior to an exam score significantly better than those who don’t. This doesn’t even need to be going for a run, simply a walk will do! The researchers repeated the experiment with teenagers and adults and found the same results.

Student walking to school

It’s very common to think that on a test day you want to have everything go as smoothly as possible in the lead-up, so you might ask your parents for a ride, drive, or take the bus instead of biking or walking to school. If you have the opportunity, we’d massively recommend that you choose the latter option to get your body moving and boost that exam score!

Audio Notes

Reading aloud is one of the most surefire ways of boosting the ability to remember content versus just reading in your head. Why not combine this truth with the ability to go over those topics or ideas you struggle with? Use the audio recording feature on your phone, pop in some headphones, and walk to school with those key ideas going round in your mind. We all have different ways of absorbing information, and audio is a method that many students forget about. Why not be the difference, and see if it works for you?

If you want to go even deeper, why not make a song? Are you amazed by how many lyrics to music you can remember? Recognise this and use it for your IB exams! You can choose your favourite song at the moment and rewrite it to be relevant to the subject you’re studying. Don’t underestimate the power of rhyme and rhythm for recalling information!

Acronyms

We all know that the IB loves giving us a mountain of content to cover for all our subjects. It’s clearly not time-effective then, to re-read all of our notes and textbooks again and again. We need a way to condense information quickly and in a way that we can remember effectively. This is where acronyms prove super useful! Use one word to remember a whole host of content. BIDMAS, for example, is a word that helps Maths students remember the correct order of answering an equation:

BRACKETS INDICES DIVISION MULTIPLICATION ADDITION SUBTRACTION

Give this a go across your subjects, our tutors are a big fan of this method!

Gum

This tip works in a similar way to the scents above. Your brain can make a strong association between the sense of taste and your own memory. If you eat a certain snack or chew a particular flavour of gum whilst studying a particular topic, chewing that same gum or eating that same snack will trigger your memory. Why not walk into school chewing that gum on the day of the exam? We promise it will trigger some memories that you thought you’d forgotten!

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Research suggests that associating a specific scent with your study sessions can trigger memory recall during exams. For instance, studies show rosemary scent can improve memory by 5-7%. Try using a particular perfume or essential oil while revising and then again just before or during your exam to leverage this powerful connection.

Yes, studies indicate that even a short 20-minute walk or light exercise before an exam can significantly boost performance. Physical activity increases blood flow to the brain, improving cognitive function and memory recall. It's a simple, effective way to get your brain ready for the test and potentially improve your scores.

Audio notes involve recording yourself reading your revision material aloud or even turning key concepts into songs. Reading aloud is scientifically proven to enhance memory, and combining this with audio playback allows you to revise on the go. The rhythm and rhyme of songs can also make complex information, like formulas or historical facts, much easier to recall.

Acronyms are powerful mnemonic devices that condense large amounts of information into easily memorable phrases or words. They help you recall sequences, lists, or complex concepts quickly, saving time and reducing cognitive load during exams. Many IB subjects, especially those with extensive content like History, Biology, or Economics, benefit greatly from this technique.

Similar to scents, chewing a specific flavour of gum while studying a topic and then again during the exam can create a memory association. This sensory link can help trigger your brain to recall the information you learned while chewing that particular gum, giving you a subtle edge in remembering key details.

Our expert IB tutors, many of whom scored 40+ in the IB themselves, can guide you through various proven memory techniques tailored to your learning style and specific subjects. They'll help you apply strategies like active recall, spaced repetition, and effective note-taking, ensuring you retain information more efficiently and confidently for your exams across all your IB subjects.

The Lanterna IB consultation is a free, no-pressure 20-30 minute session with one of our expert IB Student Success Experts. It's designed to help you gain clarity on your current situation, discuss your academic goals, and identify areas where you might need support, including improving memory and study techniques for your IB exams.

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Our Student Success Experts are highly experienced professionals with deep knowledge of the IB Diploma Programme. They've supported thousands of IB students and parents, offering strategic advice, helping to diagnose challenges, and outlining effective pathways to academic success. They are your first point of contact for personalised IB guidance and can help you develop a plan to tackle memory challenges.

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