📖 Step 9: AI/LLM#309 / 350

Catastrophic Forgetting

Catastrophic Forgetting

📖One-line summary

The phenomenon where a model forgets previously learned knowledge when trained on new data.

💡Easy explanation

AI's fatal flaw of forgetting old knowledge when it learns new things. Train it on medical data and it might lose the ability to hold a normal conversation.

Example

새 지식 배우면 옛 지식 증발

일반 대화
90%
의료 데이터 추가 학습
일반 대화
30% 📉
의료 지식
85%