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The Science of Memory: How to improve your students' recall in the classroom

24th November 2021

This article is written by Julie Adams, Senior Communication and Content Specialist at DisplayNote.

Does the way we teach impact students' ability to recall information?


Can you recall lessons back in school that consisted of a teacher dictating reams and reams of information while the whole class scribed furiously to take them down? Chances are you can.

In previous eras of education, this was the tried and tested method of teaching. ‘Chalk and talk’ as some like to refer to it. Teachers were simply a vessel for information, which they bestowed in large quantities onto the students, who were expected to write everything down and then go and learn it in their own time.

However, as time has gone on and our understanding of the brain’s cognitive functioning has improved, we’ve asked ourselves whether forcing students and teachers to race through topic after topic is the best approach.

When we learn, we rely on our working memory. Working memory refers to how we hold on to and manipulate information that the short-term memory stores. If you’re in the middle of a phone call and the speaker asks you to remember your account number while they pass you on to another person, that’s your working memory at work.

You can think of the process of learning a bit like delivering a parcel. Before the package (i.e., the new information) can get delivered to the right address (our long-term memory), it must be processed and travel through several different areas.

This is illustrated in the diagram below.

The accumulation of new knowledge involves the working memory passing information along to our long-term memory, which has an expansive capacity for storage.

Our short-term memories are much more limited in their storage capacity - which is why we want to pass the information along to our long-term memories. To do this, information needs to be processed by our working memories, but this too has a limited capacity - which is why humans struggle to remember more than seven digits at once!

The old-school method of racing through reams of information in class is actually detrimental to learning outcomes. It overloads students’ working memories, resulting in a drop in confidence due to their perceived inability to process and retain information.


Why is the working memory crucial when it comes to learning?

Working memory is involved in transferring information from our short-term memory to our long-term memory. It’s also used for temporarily holding information in our minds while we problem solve.

Here are some examples of tasks that use the working memory:

  • Spatial reasoning task
  • Mental arithmetic
  • Listening to and following directions that contain multiple steps
  • Remembering a question long enough to formulate an answer


How can you tailor lessons to work with the working memory?

If we want students to retain information long enough for it to be passed to their long-term memories, we can package and deliver lesson content in a way that works with the nuances of the working memory.

Often, when covering new lesson material, students are bombarded with multiple tasks and different stimuli. They are required to follow the lesson on the main display at the front of the room, listen to the educator talk, and take notes at the same time.

It has been suggested that 20 - 50% of students with specific learning disorders like dyslexia or ADHD experience issues with their working memory. So formulating the information in a way that makes it less strenuous on the working memory also makes it more accessible for these students.

Here are some simple ways to make your lessons more working memory-friendly:

  • Provide access to material outside of the classroom
  • Encourage students to visualize the problem and solution
  • Chunk information
  • Have your students teach you
  • Make information multi-sensory


Make content more interactive and accessible with Broadcast

Our one-to-many screen sharing tool Broadcast allows you to share the content from your device with all your students’ devices. This makes it easy for everyone in the room to follow along with the content wherever they’re sitting in the classroom.

It also means the content is amplified for those students with learning difficulties or visual impairments - giving everyone equal access to the lesson material. Plus, it’s a web-based application - so there are zero apps to download and no updates to manage.


Want more tips for improving your students' recall?

Download our free 12-page eBook on the Science of Memory

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