> For the complete documentation index, see [llms.txt](https://course.continualai.org/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://course.continualai.org/lectures/understanding-catastrophic-forgetting.md).

# Understanding Catastrophic Forgetting

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Lecture #2: Understanding Catastrophic Forgetting - Video Recording
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Lecture #2: Understanding Catastrophic Forgetting - Slides
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Slides PDF
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In this lecture we will address the following points:

* What is catastrophic forgetting?
* Understanding forgetting with one neuron
* A deep learning example: Permuted and Split MNIST
* Brainstorming session: how to solve forgetting?
* Avalanche: an end-to-end library for continual learning research