By using this website, you agree to the storing of cookies on your device to enhance site navigation, analyze site usage, and assist in our marketing efforts. View our Cookie Policy for more information.

Close
5 min read

Lesson 1 | What is the Forgetting Curve? Origins, explanations, and implications.

Lesson 1: What is the Forgetting Curve? Origins, explanations, and implications.

In our quest for knowledge and learning, we are often faced with a daunting and seemingly invisible adversary: forgetfulness. This age-old phenomenon, where learned information seems to slip away with time, isn’t just a figment of one's imagination, but a scientifically validated concept called the Forgetting Curve. As Stellar Students, understanding this curve becomes pivotal to tailor strategies that help us remember better and longer.

Origins of the Forgetting Curve

The Forgetting Curve traces its origins back to the late 19th century, thanks to the German psychologist Hermann Ebbinghaus. Through self-experimentation, Ebbinghaus discovered that memory retention decreases exponentially over time. To visualize his findings, he plotted the decline of memory retention on a graph, and thus, the infamous curve was born. The most startling revelation was the steep drop in retention just hours after learning, which then gradually tapered off.

Why Do We Forget? The Explanation

The very essence of the Forgetting Curve lies in its explanation. At its core, forgetting is a natural defense mechanism of the brain. Our brains are inundated with information daily, and not everything we come across is essential for long-term storage. If our brains were to retain every piece of data, it would soon be overwhelmed. Thus, the brain, in its wisdom, starts to shed what it deems 'non-essential' unless reinforced.

Moreover, several factors influence the steepness of this curve for individuals:

  • The Nature of the Material: Abstract concepts or unfamiliar topics might be forgotten faster than concrete or relatable ones.
  • Learning Methodology: Passive learning, such as mere rereading, leads to faster forgetting compared to active learning methods like teaching the material to someone else or using our flashcard function
  • Mental and Physical State: Stress, fatigue, or even a lack of interest can affect memory retention adversely.
Illustration of how to forgetting curve works


Implications of the Forgetting Curve

For students, understanding the implications of the Forgetting Curve has profound significance. The curve isn’t just a representation of forgetting, but a map that can guide learning methodologies:

  • Frequency of Review: The curve suggests that the best way to retain information is by spaced repetition. Reviewing material at increasing intervals can help flatten the curve.
  • Depth of Processing: The curve can be influenced by how deeply we engage with the material. For example, associating new information with existing knowledge or using mnemonic devices.
  • Holistic Learning: Instead of rote memorisation, understanding the broader context, making connections, and relating it to what we already know can make the information stick longer.
This is how spaced repetition should be practised


In essence, the Forgetting Curve underscores the importance of regular revision, deep engagement with material, and varied learning techniques to ensure long-term retention.

As we journey through this module, students will be armed with strategies and tools to not only understand the curve but to manipulate it to their advantage. By knowing when and how our memory fades, we can implement methods to ensure that what we learn remains with us, shining bright, like the North Star in our galaxy of knowledge.

Test your knowledge — take the quiz

What is the primary adversary of memory, as discussed in Module 4?

The correct answer is  
That's correct! Way to go

Who is credited with introducing the concept of the Forgetting Curve, and what century did this occur?

The correct answer is  
That's correct! Way to go

According to the module, what factor(s) influence the steepness of the Forgetting Curve for individuals?

The correct answer is  
That's correct! Way to go

In the context of the Forgetting Curve, why is the frequency of review and the depth of processing important?

The correct answer is  
That's correct! Way to go

Provide one real-world scenario discussed in Lesson 2 where the Forgetting Curve played a pivotal role.

The correct answer is  
That's correct! Way to go
/ 3
Your score
 / 

Want to get access

Ready to upgrade your study journey? 

Premium plan
$10
/ month

Unlock every course

Unlock every blog post

Access to community

Full access to Stellar AI

Current plan
$10
$1
/month
Save 33%
$1 your first 30 days, then 10 /month

Unlock every course

Unlock every blog post

Access to community

Unlimited access to Stellar AI

Current plan
Premium plan
$15
/ month

Unlock every course

Unlock every blog post

Access to community

Full access to Stellar AI

Current plan
$15
$1
/month
$1 your first 30 days, then 15 /month

Unlock every course

Unlock every blog post

Access to community

Unlimited access to Stellar AI

Current plan

Next lesson

Good job, you finished the course, there is no next lesson

No items found.